| Date ? |
Council |
Ward |
Name |
From |
To |
| 14 Apr 21 | Bolton | Heaton and Lostock | Robert Allen | Conservative and Unionist | Independent / Other |
| 14 Apr 21 | Bolton | Westhoughton North and Chew Moor | Bernadette Eckersley-Fallon | Liberal Democrats | Conservative and Unionist |
| 14 Apr 21 | Mid Devon | Upper Culm | Glanmor Hughes | Conservative and Unionist | Vacant |
| 14 Apr 21 | Newark and Sherwood | Bridge (Newark) | Gill Dawn | Independent / Other | Vacant |
| 14 Apr 21 | North Lanarkshire | Murdostoun | R McKendrick | Independent / Other | Vacant |
| 14 Apr 21 | Peterborough | Orton Longueville | Heather Skibsted | Labour Party | Independent / Other |
| 14 Apr 21 | Peterborough | Ravensthorpe | Ed Murphy | Labour Party | Independent / Other |
| 14 Apr 21 | Southend-on-Sea | Kursaal | Maggie Kelly | Labour Party | Independent / Other |
| 14 Apr 21 | Southend-on-Sea | Victoria | Jennifer Beck | Labour Party | Independent / Other |
| 14 Apr 21 | Torfaen | Abersychan | Lynda Clarkson | Vacant | Labour Party |
| 14 Apr 21 | Torfaen | Cwmynyscoy | John Killick | Vacant | Labour Party |
| 14 Apr 21 | Torfaen | New Inn | Keith James | Vacant | Conservative and Unionist |
| 14 Apr 21 | Waltham Forest | Grove Green | Chris Robbins CBE | Labour Party | Vacant |
| 04 Apr 21 | Broxtowe | Beeston Rylands | Dawn A Elliott | Labour Party | Vacant |
| 04 Apr 21 | Crawley | Tilgate | Francis Guidera | Conservative and Unionist | Vacant |
| 04 Apr 21 | Monmouthshire | St. Kingsmark | Christopher Edwards | Vacant | Conservative and Unionist |
| 04 Apr 21 | Renfrewshire | Paisley Southeast | Paul Mack | Vacant | Independent / Other |
| 04 Apr 21 | South Cambridgeshire | Girton | Douglas de Lacey | Independent / Other | Vacant |
| 04 Apr 21 | Walsall | Pelsall | Sally Neville B.Sc | Conservative and Unionist | Vacant |
| 02 Apr 21 | Gwynedd | Nefyn | Gruffydd Williams | Plaid Cymru - The Party of Wales | Independent / Other |
| 01 Apr 21 | Aberdeenshire | Fraserburgh and District | Brian Topping | Scottish National Party (SNP) | Alba Party |
| 01 Apr 21 | Adur | Southlands | Lavinia OConnor | Labour Party | Vacant |
| 01 Apr 21 | Adur | Eastbrook | David Balfe | Labour Party | Vacant |
| 01 Apr 21 | Ashfield | Annesley | Ciaran Brown | Ashfield Independents | Vacant |
| 01 Apr 21 | Bury | Pilkington Park | Robert Caserta | Conservative and Unionist | Independent / Other |
| 01 Apr 21 | Conwy | Tywyn / Towyn | David Kenneth Johnson | Independent / Other | Conservative and Unionist |
| 01 Apr 21 | Darlington | Hummersknott | Paul Howell | Conservative and Unionist | Vacant |
| 01 Apr 21 | Dartford | Wilmington Sutton-at-Hone | Calvin S McLean | Conservative and Unionist | Vacant |
| 01 Apr 21 | Eastleigh | Eastleigh Central | Tina Campbell | Liberal Democrats | Independent / Other |
| 01 Apr 21 | Eastleigh | Eastleigh North | Sara Tyson-Payne | Liberal Democrats | Independent / Other |
| 01 Apr 21 | Hyndburn | St. Andrews | Sara Britcliffe MP | Conservative and Unionist | Vacant |
| 01 Apr 21 | Lancaster | Bulk | Lucie Carrington | Green Party | Vacant |
| 01 Apr 21 | Na h-Eileanan Siar | Barraigh, Bhatarsaigh, Eirisgeigh agus Uibhist a Deas | Calum Macmillan | Scottish National Party (SNP) | Alba Party |
| 01 Apr 21 | North Lanarkshire | Motherwell North | S Farooq | Scottish National Party (SNP) | Alba Party |
| 01 Apr 21 | North Norfolk | Coastal | Karen Ward | Liberal Democrats | Vacant |
| 01 Apr 21 | North Warwickshire | Curdworth | Shelly Ann Lebrun | Independent / Other | Vacant |
| 01 Apr 21 | Perth and Kinross | Kinross-shire | Michael Barnacle | Independent / Other | Conservative and Unionist |
| 01 Apr 21 | Ribble Valley | West Bradford | Bridget Hilton | Conservative and Unionist | Vacant |
| 01 Apr 21 | South Oxfordshire | Forest Hill | Sarah Gray | Independent / Other | Vacant |
| 01 Apr 21 | Stirling | Bannockburn | Maureen Bennison | Independent / Other | Alba Party |
| 01 Apr 21 | Trafford | Flixton | Shirley Procter | Labour Party | Vacant |
| 01 Apr 21 | Trafford | Bowdon | Claire Churchill | Conservative and Unionist | Vacant |
| 30 Mar 21 | Aberdeenshire | Mearns | Leigh Wilson | Independent / Other | Alba Party |
| 30 Mar 21 | Aberdeenshire | North Kincardine | Alastair Bews | Independent / Other | Alba Party |
| 30 Mar 21 | Bury | North Manor | James Daly | Conservative and Unionist | Vacant |
| 30 Mar 21 | Bury | Moorside | Sarah Southworth | Labour Party | Vacant |
| 30 Mar 21 | Fareham | Fareham South | Geoff Fazackarley | Conservative and Unionist | Independent / Other |
| 30 Mar 21 | Glasgow | Shettleston | Michelle Ferns | Scottish National Party (SNP) | Alba Party |
| 30 Mar 21 | Newcastle upon Tyne | Arthurs Hill | Nigel Todd | Labour Party | Vacant |
| 30 Mar 21 | North Ayrshire | Ardrossan and Arran | Ellen McMaster | Scottish National Party (SNP) | Alba Party |
| 30 Mar 21 | North East Lincolnshire | Scartho | Lia Nici | Conservative and Unionist | Vacant |
| 30 Mar 21 | North Lanarkshire | Stepps, Chryston and Muirhead | L Anderson | Scottish National Party (SNP) | Alba Party |
| 30 Mar 21 | Redcar and Cleveland | Hutton | Caroline Jackson | Conservative and Unionist | Vacant |
| 30 Mar 21 | Rother | Eastern Rother | Sally-Ann Hart | Conservative and Unionist | Vacant |
| 30 Mar 21 | Rugby | Admirals and Cawston | Michael Stokes | Conservative and Unionist | Vacant |
| 30 Mar 21 | South Cambridgeshire | Milton and Waterbeach | Hazel Smith | Liberal Democrats | Vacant |
| 30 Mar 21 | Tunbridge Wells | Paddock Wood (West) | Elizabeth Thomas | Conservative and Unionist | Vacant |
| 30 Mar 21 | Walsall | Pelsall | Marco Longhi BEng, MBA | Conservative and Unionist | Vacant |
| 30 Mar 21 | Wandsworth | Bedford | Fleur Anderson MP | Labour Party | Vacant |
| 30 Mar 21 | Warwick | Leamington Clarendon | Jerry Weber | Labour Party | Vacant |
| 30 Mar 21 | Watford | Oxhey | Maggie Parker | Liberal Democrats | Independent / Other |
| 30 Mar 21 | Welwyn Hatfield | Welham Green and Hatfield South | Jaida Esin Caliskan | Liberal Democrats | Vacant |
| 30 Mar 21 | West Dunbartonshire | Leven | Caroline McAllister | Scottish National Party (SNP) | Alba Party |
| 30 Mar 21 | West Lancashire | Hesketh-with-Becconsall | Iain Ashcroft | Conservative and Unionist | Vacant |
| 30 Mar 21 | West Oxfordshire | Bampton and Clanfield | James Mills | Conservative and Unionist | Vacant |
| 28 Mar 21 | Aberdeenshire | East Garioch | Fergus Hood | Liberal Democrats | Vacant |
| 28 Mar 21 | Babergh | Great Cornard | Honor Grainger-Howard | Conservative and Unionist | Vacant |
| 28 Mar 21 | Brent | Brondesbury Park | Kieron Gill | Labour Party | Vacant |
| 28 Mar 21 | Carlisle | Harraby South | Niall Daniel McNulty | Labour Party | Vacant |
| 28 Mar 21 | Cotswold | Fosseridge | Julian Beale | Conservative and Unionist | Vacant |
| 28 Mar 21 | Doncaster | Town | Tosh McDonald | Labour Party | Independent / Other |
| 28 Mar 21 | Dudley | Belle Vale | Jake Cooper | Conservative and Unionist | Vacant |
| 28 Mar 21 | East Riding of Yorkshire | East Wolds and Coastal | Paul Lisseter | Conservative and Unionist | Independent / Other |
| 28 Mar 21 | East Suffolk | Beccles | Graham Elliott | Green Party | Vacant |
| 28 Mar 21 | Epping Forest | Grange Hill | Gagan Mohindra | Conservative and Unionist | Vacant |
| 28 Mar 21 | Erewash | Hallam Fields | Pam Ashley | Labour Party | Vacant |
| 28 Mar 21 | Erewash | Nottingham Road | Diane Fletcher | Labour Party | Vacant |
| 28 Mar 21 | Great Yarmouth | Claydon | Cara Walker | Labour Party | Vacant |
| 28 Mar 21 | Great Yarmouth | Ormesby | Steve Scott-Greenard | Independent / Other | Vacant |
| 28 Mar 21 | Gwynedd | Llanrug | Beca Brown | Vacant | Plaid Cymru - The Party of Wales |
| 28 Mar 21 | Haringey | St Anns | Noah Tucker | Labour Party | Independent / Other |
| 28 Mar 21 | Inverclyde | Inverclyde East | Chris McEleny | Scottish National Party (SNP) | Alba Party |
| 28 Mar 21 | Islington | Highbury West | Andy Hull | Labour Party | Vacant |
| 28 Mar 21 | Islington | Mildmay | Joe Caluori | Labour Party | Vacant |
| 28 Mar 21 | Islington | St Peters | Vivien Cutler | Labour Party | Vacant |
| 28 Mar 21 | Mendip | Wells St Thomas | Caroline McKinnell | Liberal Democrats | Vacant |
| 28 Mar 21 | Midlothian | Midlothian East | Stuart McKenzie | Vacant | Scottish National Party (SNP) |
| 28 Mar 21 | North East Derbyshire | Eckinton South | Clive Hunt | Labour Party | Vacant |
| 28 Mar 21 | North East Derbyshire | Killamarsh East | Kevin Bone | Conservative and Unionist | Vacant |
| 28 Mar 21 | North East Derbyshire | Killamarsh West | Patricia Bone | Conservative and Unionist | Vacant |
| 28 Mar 21 | North Hertfordshire | Royston Meridian | Bill Davidson | Conservative and Unionist | Vacant |
| 28 Mar 21 | North Warwickshire | Polesworth East | Adam Farrell | Labour Party | Vacant |
| 28 Mar 21 | Perth and Kinross | Almond and Earn | Frank Smith | Vacant | Conservative and Unionist |
| 28 Mar 21 | Reading | Peppard | Clare Grasshoff | Conservative and Unionist | Vacant |
| 28 Mar 21 | Redcar and Cleveland | Saltburn | Philip Thomson | Conservative and Unionist | Independent / Other |
| 28 Mar 21 | Redcar and Cleveland | Skelton East | Cliff Foggo | Conservative and Unionist | Independent / Other |
| 28 Mar 21 | Redcar and Cleveland | Longbeck | Vera Rider | Conservative and Unionist | Independent / Other |
| 28 Mar 21 | Redcar and Cleveland | Saltburn | Craig Hannoway | Labour Party | Independent / Other |
| 24 Mar 21 | Bexley | Longlands | Gareth Bacon | Conservative and Unionist | Vacant |
| 24 Mar 21 | Bristol | Avonmouth and Lawrence Weston | Jo Sergeant | Independent / Other | Green Party |
| 24 Mar 21 | Calderdale | Brighouse | Scott Benton | Conservative and Unionist | Vacant |
| 24 Mar 21 | Dudley | Kingswinford North and Wall Heath | Nicola Richards | Conservative and Unionist | Vacant |
| 24 Mar 21 | Eastbourne | Sovereign | Caroline Ansell | Conservative and Unionist | Vacant |
| 24 Mar 21 | Huntingdonshire | Huntingdon North | Anita Diaz | Labour Party | Vacant |
| 24 Mar 21 | Islington | Bunhill | Claudia Webbe | Labour Party | Vacant |
| 24 Mar 21 | Leeds | Roundhay | Eleanor Tunnicliffe | Labour Party | Vacant |
| 24 Mar 21 | Leeds | Roundhay | Angela Wenham | Labour Party | Vacant |
| 24 Mar 21 | Oxfordshire | Witney North and East | Dr Suzanne Bartington | Conservative and Unionist | Independent / Other |
| 24 Mar 21 | Oxfordshire | Thame and Chinnor | Jeannette Matelot | Conservative and Unionist | Independent / Other |
| 24 Mar 21 | Pendle | Waterside | Tony Greaves | Liberal Democrats | Vacant |
| 24 Mar 21 | Redditch | Matchborough | Juliet Brunner | Conservative and Unionist | Independent / Other |
| 24 Mar 21 | Sandwell | Tividale | Sandra Hevican | Labour Party | Vacant |
| 24 Mar 21 | Tandridge | Chaldon | Bob Milton | Conservative and Unionist | Vacant |
| 24 Mar 21 | Watford | Stanborough | Keith Crout | Liberal Democrats | Independent / Other |
| 24 Mar 21 | Watford | Nascot | Jane Johnson | Liberal Democrats | Vacant |
| 24 Mar 21 | West Suffolk | Abbeygate | Lisa Ingwall King | Green Party | Vacant |
| 24 Mar 21 | West Suffolk | Southgate | Ann Williamson | Conservative and Unionist | Vacant |
| 24 Mar 21 | West Suffolk | Whepstead | Mary Evans | Conservative and Unionist | Vacant |
| 24 Mar 21 | Worcestershire | Arrow Valley East | Juliet Brunner | Conservative and Unionist | Independent / Other |
| 23 Mar 21 | Colchester | Lexden and Braiswick | Brian Jarvis | Conservative and Unionist | Vacant |
| 23 Mar 21 | Croydon | Kenley | Steve OConnell | Conservative and Unionist | Vacant |
| 23 Mar 21 | Croydon | Park Hill and Whitgift | Vidhi Mohan | Conservative and Unionist | Vacant |
| 23 Mar 21 | Gateshead | Lamesley | Mary Foy | Labour Party | Vacant |
| 23 Mar 21 | Swindon | Wroughton and Wichelstowe | Andy Spry | Liberal Democrats | Vacant |
| 23 Mar 21 | Tunbridge Wells | Speldhurst and Bidborough | Julia Soyke | Conservative and Unionist | Vacant |
| 22 Mar 21 | Barnet | East Barnet | Jo Cooper | Labour Party | Vacant |
| 22 Mar 21 | Braintree | Hatfield Peverel | David Bebb MBE | Conservative and Unionist | Vacant |
| 22 Mar 21 | Castle Point | Boyce | Smith, Norman | Conservative and Unionist | Vacant |
| 22 Mar 21 | Castle Point | St. Peters | Dick, Bill | Independent / Other | Conservative and Unionist |
| 22 Mar 21 | East Riding of Yorkshire | South East Holderness | Paul Whitehead | Conservative and Unionist | Vacant |
| 22 Mar 21 | Hartlepool | Fens and Rossmere | Tony Richardson | Independent / Other | Veterans and People’s Party |
| 22 Mar 21 | St Albans | Harpenden East | Geoffrey Newman | Conservative and Unionist | Vacant |
| 22 Mar 21 | St Albans | Harpenden South | Teresa Heritage | Conservative and Unionist | Vacant |
| 22 Mar 21 | Stockton-on-Tees | Hartburn | Matthew Vickers | Conservative and Unionist | Vacant |
| 22 Mar 21 | Stockton-on-Tees | Yarm | Tony Hampton | Conservative and Unionist | Vacant |
| 22 Mar 21 | Swansea | Llansamlet | Mo Sykes | Labour Party | Vacant |
| 22 Mar 21 | Tunbridge Wells | St James | David Neve | Independent / Other | Vacant |
| 21 Mar 21 | Argyll and Bute | Helensburgh and Lomond South | Gemma Penfold | Vacant | Conservative and Unionist |
| 21 Mar 21 | Argyll and Bute | Isle of Bute | Liz McCabe | Vacant | Independent / Other |
| 21 Mar 21 | Bradford | Wharfedale | Jackie Whiteley | Conservative and Unionist | Vacant |
| 21 Mar 21 | Bradford | Shipley | Vick Jenkins | Labour Party | Independent / Other |
| 21 Mar 21 | Conwy | Eirias | Gail Jones | Vacant | Independent / Other |
| 21 Mar 21 | Cornwall | Falmouth Penwerris | Mathew McCarthy | Liberal Democrats | Independent / Other |
| 21 Mar 21 | Cornwall | Launceston South | Jade Farrington | Liberal Democrats | Independent / Other |
| 21 Mar 21 | Croydon | South Norwood | Jane Avis | Labour Party | Vacant |
| 21 Mar 21 | Denbighshire | Corwen | Alan Hughes | Vacant | Plaid Cymru - The Party of Wales |
| 21 Mar 21 | East Hertfordshire | Bishops Stortford All Saints | Louie Corpe | Liberal Democrats | Vacant |
| 21 Mar 21 | Fife | West Fife and coastal villages | Kate Stewart | Scottish National Party (SNP) | Independent / Other |
| 21 Mar 21 | Glasgow | Baillieston | David Turner | Vacant | Scottish National Party (SNP) |
| 21 Mar 21 | Glasgow | Partick East/Kelvindale | Jill Brown | Vacant | Labour Party |
| 21 Mar 21 | Huntingdonshire | St Ives South | John Winston Davies | Conservative and Unionist | Vacant |
| 21 Mar 21 | Mansfield | Oakham | Lee Anderson | Conservative and Unionist | Vacant |
| 21 Mar 21 | Norfolk | West Depwade | Beverley Herbert Alison Spratt | Conservative and Unionist | Independent / Other |
| 21 Mar 21 | North Lanarkshire | Airdrie North | T Morgan | Labour Party | Independent / Other |
| 21 Mar 21 | Wrexham | Maesydre | Becca Martin | Vacant | Plaid Cymru - The Party of Wales |
| 16 Mar 21 | Bromley | Crystal Palace | Marina Ahmad | Labour Party | Vacant |
| 16 Mar 21 | Kirklees | Golcar | Richard Murgatroyd | Independent / Other | Vacant |
| 16 Mar 21 | Newcastle upon Tyne | Chapel | Sandra Davison | Independent / Other | Vacant |
| 16 Mar 21 | Oxfordshire | St Clements and Cowley Marsh | Jamila Begum Azad | Labour Party | Independent / Other |
| 15 Mar 21 | Plymouth | Southway | Mark Deacon | Conservative and Unionist | Independent / Other |
| 15 Mar 21 | Selby | Camblesforth | Paul Welburn | The Yorkshire Party | Vacant |
| 15 Mar 21 | Swindon | Chiseldon and Lawn | Brian Mattock | Conservative and Unionist | Vacant |
| 15 Mar 21 | Wealden | Hailsham North | Nicholas Collinson | Conservative and Unionist | Vacant |
| 15 Mar 21 | Westminster | Churchill | Andrea Mann | Labour Party | Vacant |
| 14 Mar 21 | Bassetlaw | Sutton | Rob Boeuf | Independent / Other | Vacant |
| 14 Mar 21 | Birmingham | Billesley | Lucy Seymour-Smith | Labour Party | Vacant |
| 14 Mar 21 | Daventry | Abbey South | Deanna Eddon | Conservative and Unionist | Vacant |
| 14 Mar 21 | Daventry | Braunston and Welton | Jason Pritchard | Labour Party | Independent / Other |
| 14 Mar 21 | Maidstone | Detling and Thurnham | Nick de Wiggondene-Sheppard | Liberal Democrats | Vacant |
| 14 Mar 21 | Wellingborough | Croyland | Sarah Scanlon | Conservative and Unionist | Vacant |
| 12 Mar 21 | Bristol | Avonmouth and Lawrence Weston | Jo Sergeant | Labour Party | Independent / Other |
| 12 Mar 21 | Durham | Crook | Patricia Jopling | Independent / Other | Conservative and Unionist |
| 12 Mar 21 | East Hampshire | Bramshott | Rebecca Standish | Conservative and Unionist | Vacant |
| 12 Mar 21 | Rhondda Cynon Taf | Penrhiwceiber | WILLIAMS Gavin David Gwilym | The Cynon Valley Party | Vacant |
| 12 Mar 21 | Rossendale | Stacksteads | Terry Haslam-Jones | Independent / Other | Vacant |
| 12 Mar 21 | Sevenoaks | Brasted, Chevening and Sundridge | Robert Piper | Conservative and Unionist | Vacant |
| 11 Mar 21 | Arun | Pevensey | Inna Erskine | Liberal Democrats | Vacant |
| 11 Mar 21 | Croydon | New Addington North | Simon Hall | Independent / Other | Vacant |
| 11 Mar 21 | Croydon | Woodside | Tony Newman | Independent / Other | Vacant |
| 11 Mar 21 | Cumbria | Cockermouth North | Rebecca Charlotte Hanson | Liberal Democrats | Vacant |
| 11 Mar 21 | Highland | Aird and Loch Ness | David Fraser | Vacant | Independent / Other |
| 11 Mar 21 | Isle of Wight | Ryde North West | Mr Adrian William Axford | Conservative and Unionist | Vacant |
| 11 Mar 21 | Merton | St Helier | Kelly Braund | Labour Party | Vacant |
| 11 Mar 21 | North Yorkshire | Harrogate Bilton and Nidd Gorge division | Geoff Webber | Liberal Democrats | Vacant |
| 11 Mar 21 | Rotherham | Valley | Jayne Senior | Labour Party | Independent / Other |
| 11 Mar 21 | Scottish Borders | Leaderdale and Melrose | Jenny Linehan | Vacant | Conservative and Unionist |
| 11 Mar 21 | Sunderland | Washington South | Dom Armstrong | Green Party | Vacant |
| 11 Mar 21 | West Lothian | Livingstone South | Maria Macaulay | Vacant | Scottish National Party (SNP) |
| 10 Mar 21 | Cornwall | Launceston North and North Petherwin | Adam Paynter | Liberal Democrats | Independent / Other |
| 10 Mar 21 | Doncaster | Balby South | Nuala Fennelly | Labour Party | Vacant |
| 10 Mar 21 | South Ribble | Longton | Colin Clark | Conservative and Unionist | Vacant |
| 09 Mar 21 | Luton | Round Green | Mark Rivers | Labour Party | Vacant |
| 09 Mar 21 | Luton | High Town | Rachel Hopkins | Labour Party | Vacant |
| 09 Mar 21 | Slough | Foxborough | Madhuri Bedi | Labour Party | Independent / Other |
| 08 Mar 21 | Breckland | Thetford Castle | Roy Brame | Conservative and Unionist | Independent / Other |
| 08 Mar 21 | Norfolk | Thetford East | Roy Frederick William Brame | Conservative and Unionist | Vacant |
| 07 Mar 21 | Dacorum | Leverstock Green | Graham Sutton | Conservative and Unionist | Vacant |
| 07 Mar 21 | Derby | Derwent | Richard Hudson | Conservative and Unionist | Independent / Other |
| 07 Mar 21 | Derby | Derwent | James Testro | Conservative and Unionist | Independent / Other |
| 07 Mar 21 | Derbyshire Dales | Masson | Joyce Priscilla Pawley | Labour Party | Vacant |
| 07 Mar 21 | Derbyshire Dales | Litton and Longstone | Clare Gamble | Liberal Democrats | Independent / Other |
| 07 Mar 21 | Derbyshire Dales | Hulland | Richard Bright | Conservative and Unionist | Independent / Other |
| 07 Mar 21 | Derbyshire Dales | Wirksworth | Elisa McDonagh | Labour Party | Vacant |
| 07 Mar 21 | Derry and Strabane | The Moor | Eamonn McCann | People Before Profit Alliance | Vacant |
| 07 Mar 21 | Derry and Strabane | Derg | Cara Hunter | SDLP (Social Democratic & Labour Party) | Vacant |
| 07 Mar 21 | Doncaster | Sprotbrough | Jonathan Wood | Conservative and Unionist | Green Party |
| 07 Mar 21 | Doncaster | Town | Nikki McDonald | Labour Party | Independent / Other |
| 07 Mar 21 | Greenwich | Greenwich West | Mehboob Khan | Labour Party | Vacant |
| 07 Mar 21 | Guildford | Pirbright | Gordon Jackson | Independent / Other | Vacant |
| 07 Mar 21 | Guildford | Friary and St Nicolas | Caroline Reeves | Liberal Democrats | Vacant |
| 07 Mar 21 | Hinckley and Bosworth | Barwell | HG Williams | Conservative and Unionist | Independent / Other |
| 07 Mar 21 | Milton Keynes | Central Milton Keynes | Paul Williams | Labour Party | Vacant |
| 07 Mar 21 | Neath Port Talbot | Margam | Rob G. Jones | Labour Party | Independent / Other |
| 07 Mar 21 | North Warwickshire | Atherstone Central | Dawn Downes | Labour Party | Vacant |
| 07 Mar 21 | Oxford | St. Clements | Jamila Begum Azad | Labour Party | Independent / Other |
| 07 Mar 21 | Rhondda Cynon Taf | Llantwit Fardre | DIAMOND Mike | Conservative and Unionist | Vacant |
| 07 Mar 21 | Somerset West and Taunton | Rockwell Green | Marcus Barr | Independent / Other | Conservative and Unionist |
| 07 Mar 21 | Somerset West and Taunton | Trull, Pitminster | Martin Hill | Liberal Democrats | Vacant |
| 07 Mar 21 | South Derbyshire | Church Gresley | Dr. Jane Perry | Conservative and Unionist | Vacant |
| 07 Mar 21 | West Suffolk | Kentford | Roger Dicker | West Suffolk Independents | Independent / Other |
| 04 Mar 21 | North Lanarkshire | Fortissat | Peter Kelly | Vacant | Labour Party |
| 04 Mar 21 | North Lanarkshire | Thorniewood | Helen Loughran | Vacant | Labour Party |
| 01 Mar 21 | Enfield | Jubilee | Bernadette Lappage | Labour Party | Vacant |
| 01 Mar 21 | Newark and Sherwood | Boughton | Brendan Clarke-Smith | Conservative and Unionist | Vacant |
| 01 Mar 21 | Shropshire | Oswestry East | Clare Aspinall | The Brexit Party | Vacant |
| 28 Feb 21 | Cambridgeshire | Sawston and Shelford | Roger Hickford | Conservative and Unionist | Vacant |
| 28 Feb 21 | Derby | Darley | Lisa Eldret | Labour Party | Vacant |
| 28 Feb 21 | Falkirk | Upper Braes | James Kerr | Independent / Other | Conservative and Unionist |
| 28 Feb 21 | Falkirk | Upper Braes | John McLuckie | Independent / Other | Labour Party |
| 28 Feb 21 | Hertsmere | Bushey North | Andrew Melville | Liberal Democrats | Vacant |
| 27 Feb 21 | West Suffolk | St Olaves | Max Clarke | Labour Party | Independent / Other |
| 27 Feb 21 | West Suffolk | Clare, Hundon | Jim Meikle | Independent / Other | Vacant |
| 26 Feb 21 | Torfaen | Cwmynyscoy | Neil Waite | Labour Party | Vacant |
| 25 Feb 21 | Babergh | Sudbury South West | Susan Maria Ayres B.Ed Hons | Independent / Other | Conservative and Unionist |
| 25 Feb 21 | Bradford | Clayton and Fairweather Green | Michelle Swallow | Labour Party | Independent / Other |
| 25 Feb 21 | Carmarthenshire | Carmarthen Town West | Alan Speake | Plaid Cymru - The Party of Wales | Independent / Other |
| 25 Feb 21 | Charnwood | Loughborough Lemyngton | Christine Harris | Labour Party | Independent / Other |
| 25 Feb 21 | Cheshire West and Chester | Frodsham | Andrew Dawson | Conservative and Unionist | Vacant |
| 25 Feb 21 | Cornwall | Penryn East and Mylor | John Symons | Conservative and Unionist | Independent / Other |
| 25 Feb 21 | Darlington | Red Hall | Sam Howarth | Labour Party | Vacant |
| 25 Feb 21 | Derbyshire Dales | Hathersage and Eyam | Claire Raw | Labour Party | Independent / Other |
| 25 Feb 21 | Erewash | Ockbrook | Michael E Wallis | Conservative and Unionist | Independent / Other |
| 25 Feb 21 | St Albans | Redbourn | Tony Swendell | Independent / Other | Vacant |
| 24 Feb 21 | Blaenau Gwent | Cwm | Gareth Leslie Davies | Plaid Cymru - The Party of Wales | Independent / Other |
| 24 Feb 21 | Herefordshire | Widemarsh | Paul Andrews | Independent / Other | Liberal Democrats |
| 24 Feb 21 | Isle of Wight | Brading, St Helens and Bembridge | Mr Michael Anthony Murwill | Conservative and Unionist | Independent / Other |
| 24 Feb 21 | Maldon | Tolleshunt DArcy | Maddie E Thompson | Independent / Other | Conservative and Unionist |
| 24 Feb 21 | Monmouthshire | Green Lane | Alan Davies | Labour Party | Independent / Other |
| 24 Feb 21 | North Devon | Landkey | Glyn Lane | Conservative and Unionist | Independent / Other |
| 24 Feb 21 | North East Lincolnshire | East Marsh | Terry Walker | Liberal Democrats | Vacant |
| 24 Feb 21 | Portsmouth | Cosham | Lee Mason | Independent / Other | Conservative and Unionist |
| 24 Feb 21 | Redcar and Cleveland | Hutton | Graham Jeffery | Conservative and Unionist | Independent / Other |
| 24 Feb 21 | Rutland | Barleythorpe | David Blanksby | Conservative and Unionist | Independent / Other |
| 24 Feb 21 | Rutland | Ryhall | Richard Coleman | Conservative and Unionist | Independent / Other |
| 24 Feb 21 | Shropshire | Bayston Hill, Column and Sutton | Jane MacKenzie | Labour Party | Independent / Other |
| 24 Feb 21 | Shropshire | Llanymynech | Matt Lee | Independent / Other | Conservative and Unionist |
| 24 Feb 21 | Somerset West and Taunton | North Curry | Sue Buller | Liberal Democrats | Independent / Other |
| 24 Feb 21 | South Holland | Spalding St Johns | Jack Daniel McLean | Conservative and Unionist | Independent / Other |
| 24 Feb 21 | South Ribble | Farington East | Paul Wharton-Hardman JP | Conservative and Unionist | Independent / Other |
| 24 Feb 21 | South Tyneside | Beacon and Bents | Angela Hamilton | Independent / Other | Labour Party |
| 24 Feb 21 | Staffordshire Moorlands | Cheadle South East | Peter Elkin | Independent / Other | Vacant |
| 24 Feb 21 | Stroud | Chalford | Darren Loftus | Conservative and Unionist | Independent / Other |
| 24 Feb 21 | Stroud | Stroud Central | Skeena Rathor | Labour Party | Independent / Other |
| 24 Feb 21 | Tameside | Longdendale | Chris Buglass | Labour Party | Vacant |
| 24 Feb 21 | Telford and Wrekin | Dawley | Jane Pinter | Labour Party | Vacant |
| 24 Feb 21 | Torbay | Churston with Galmpton | Karen Kennedy | Conservative and Unionist | Independent / Other |
| 24 Feb 21 | Torbay | Churston with Galmpton | Judith Mills | Conservative and Unionist | Independent / Other |
| 24 Feb 21 | Torfaen | Greenmeadow | Jason OConnell | Conservative and Unionist | Independent / Other |
| 24 Feb 21 | Warrington | Westbrook | Stefan Krizanac | Liberal Democrats | Independent / Other |
| 24 Feb 21 | Wiltshire | Trowbridge Park | Peter Fuller | Conservative and Unionist | Independent / Other |
| 21 Feb 21 | Manchester | Whalley Range | Aftab Razaq | Labour Party | Independent / Other |
| 21 Feb 21 | Swale | Sheerness | Mark Ellen | Labour Party | Vacant |
| 18 Feb 21 | Barking and Dagenham | Thames | Bill Turner | Labour Party | Vacant |
| 18 Feb 21 | Basildon | Wickford North | Holliman | Conservative and Unionist | Independent / Other |
| 18 Feb 21 | East Devon | Woodbury | Ben Ingham | Independent / Other | Conservative and Unionist |
| 18 Feb 21 | East Devon | Whimple | Kathy McLauchlan | Independent / Other | Vacant |
| 18 Feb 21 | East Hampshire | Grayshott | Ferris Cowper | Conservative and Unionist | Vacant |
| 18 Feb 21 | Eden | Skelton | Kevin Beaty | Conservative and Unionist | Vacant |
| 18 Feb 21 | Exeter | Pennsylvania | Rachel Lyons | Labour Party | Independent / Other |
| 18 Feb 21 | Gloucester | Grange | Nigel J. Hanman | Conservative and Unionist | Independent / Other |
| 18 Feb 21 | Guildford | Tillingbourne | Richard Billington | Independent / Other | Conservative and Unionist |
| 18 Feb 21 | Guildford | Ash South and Tongham | Paul Spooner | Independent / Other | Conservative and Unionist |
| 18 Feb 21 | Guildford | Ash South and Tongham | Graham Eyre | Independent / Other | Conservative and Unionist |
| 18 Feb 21 | Guildford | Normandy | David Bilbé | Independent / Other | Conservative and Unionist |
| 18 Feb 21 | Harborough | Market Harborough - Little Bowden | Francesca McHugo | Conservative and Unionist | Vacant |
| 18 Feb 21 | Havant | Battins | Malc Carpenter | UK Independence Party (UKIP) | Hampshire Independents |
| 18 Feb 21 | Huntingdonshire | Warboys | Jill Tavener | Conservative and Unionist | Vacant |
| 18 Feb 21 | Huntingdonshire | St Ives East | Richard Ernest Bellamy | Conservative and Unionist | Vacant |
| 18 Feb 21 | Hyndburn | Immanuel | Josh Allen | Independent / Other | Conservative and Unionist |
| 18 Feb 21 | Liverpool | Croxteth | Joann Kushner | Labour Party | Vacant |
| 18 Feb 21 | Liverpool | Croxteth | Peter Mitchell | Labour Party | Independent / Other |
| 18 Feb 21 | Maldon | Southminster | Adrian S Fluker | Independent / Other | Conservative and Unionist |
| 18 Feb 21 | Maldon | Althorne | Robert G Boyce MBE | Independent / Other | Conservative and Unionist |
| 18 Feb 21 | Maldon | Mayland | Michael W Helm | Independent / Other | Conservative and Unionist |
| 18 Feb 21 | Maldon | Tillingham | Richard P F Dewick | Independent / Other | Conservative and Unionist |
| 18 Feb 21 | Maldon | Wickham Bishops and Woodham | Karl W Jarvis | Independent / Other | Conservative and Unionist |
| 18 Feb 21 | Malvern Hills | Priory | Beverley Nielsen | Liberal Democrats | Independent / Other |
| 18 Feb 21 | Malvern Hills | Link | Kwai Hung Chan | Liberal Democrats | Independent / Other |
| 18 Feb 21 | Malvern Hills | Powick | Kathy Wells | Liberal Democrats | Independent / Other |
| 18 Feb 21 | Malvern Hills | Powick | Tom Wells | Liberal Democrats | Independent / Other |
| 18 Feb 21 | North West Leicestershire | Snibston North | Elliott Allman | Independent / Other | Conservative and Unionist |
| 18 Feb 21 | North West Leicestershire | Ibstock East | Daniel Tebbutt | Conservative and Unionist | Vacant |
| 18 Feb 21 | Northampton | Brookside | Clement Chunga | Labour Party | Vacant |
| 18 Feb 21 | Oldham | Hollinwood | Martin Judd | Labour Party | Vacant |
| 18 Feb 21 | Oldham | Royton North | James Larkin | Labour Party | Vacant |
| 18 Feb 21 | Ribble Valley | Billington | Ruth Baxter | Conservative and Unionist | Vacant |
| 18 Feb 21 | Rochford | Roche North and Rural | GJ Ioannou | Conservative and Unionist | Independent / Other |
| 18 Feb 21 | Rushcliffe | Sutton Bonington | Ron Hetherington | Conservative and Unionist | Vacant |
| 18 Feb 21 | South Derbyshire | Linton | Dan Pegg | Independent / Other | Labour Party |
| 18 Feb 21 | South Hams | Totnes | Jo Sweett | Green Party | Independent / Other |
| 18 Feb 21 | South Kesteven | Stamford St Johns | Susan Sandall | Independent / Other | Conservative and Unionist |
| 18 Feb 21 | Spelthorne | Staines South | Nichola Cornes | Independent / Other | Vacant |
| 18 Feb 21 | Tandridge | Woldingham | Keith Jecks | Conservative and Unionist | Independent / Other |
| 18 Feb 21 | Teignbridge | Teignmouth Central | Alison Eden | Liberal Democrats | Independent / Other |
| 18 Feb 21 | Tendring | Bluehouse | James Codling | UK Independence Party (UKIP) | Conservative and Unionist |
| 18 Feb 21 | Tewkesbury | Cleeve Hill | Anna Hollaway | Conservative and Unionist | Vacant |
| 18 Feb 21 | Tunbridge Wells | St James | David Neve | Liberal Democrats | Independent / Other |
| 18 Feb 21 | Walsall | Rushall-Shelfield | Vera Waters | Independent / Other | Conservative and Unionist |
| 18 Feb 21 | Waverley | Cranleigh West | Liz Townsend | Conservative and Unionist | Liberal Democrats |
| 18 Feb 21 | Wirral | Hoylake and Meols | Tony Cox | Independent / Other | Conservative and Unionist |
| 17 Feb 21 | Bassetlaw | Ranskill | Paul Nicholls | Labour Party | Vacant |
| 17 Feb 21 | Bassetlaw | Tuxford and Trent | Keith Isard | Conservative and Unionist | Vacant |
| 17 Feb 21 | Chichester | Chichester Central | Martyn Bell | Conservative and Unionist | Independent / Other |
| 17 Feb 21 | Chichester | North Mundham | Christopher Page | Conservative and Unionist | Independent / Other |
| 17 Feb 21 | Dover | Mill Hill | Joseph Burman | Labour Party | Vacant |
| 17 Feb 21 | East Lindsey | Chapel St Leonards | Mel Turton-Leivers | Conservative and Unionist | Vacant |
| 17 Feb 21 | Hampshire | Liphook Headley and Grayshott | Floss Mitchell | Conservative and Unionist | Independent / Other |
| 17 Feb 21 | Lewisham | Bellingham | Sue Hordijenko | Labour Party | Vacant |
| 17 Feb 21 | North Yorkshire | South Selby division | Mike Jordan | The Yorkshire Party | Conservative and Unionist |
| 17 Feb 21 | Oxfordshire | Chipping Norton | Hilary Hibbert-Biles | Conservative and Unionist | Independent / Other |
| 17 Feb 21 | Thanet | Central Harbour | Peter Campbell | Labour Party | Vacant |
| 16 Feb 21 | Adur | Peverel | George Barton | Conservative and Unionist | Vacant |
| 16 Feb 21 | Blackburn with Darwen | Bastwell and Daisyfield | Iftakhar Hussain | Labour Party | Independent / Other |
| 16 Feb 21 | Brentwood | Hutton Central | John Kerslake | Conservative and Unionist | Vacant |
| 16 Feb 21 | Brighton and Hove | Patcham | Lee Wares | Conservative and Unionist | Vacant |
| 16 Feb 21 | Carlisle | Cathedral | Christopher Robinson | Labour Party | Vacant |
| 16 Feb 21 | Carlisle | Newton | Calvin Joshua Rodgerson | Labour Party | Vacant |
| 16 Feb 21 | Chorley | Coppull | Jane Fitzsimons | Labour Party | Vacant |
| 16 Feb 21 | Croydon | Woodside | Tony Newman | Labour Party | Independent / Other |
| 16 Feb 21 | Croydon | New Addington North | Simon Hall | Labour Party | Independent / Other |
| 16 Feb 21 | Durham | Woodhouse Close | Tanya Tucker | Labour Party | Independent / Other |
| 16 Feb 21 | East Staffordshire | Branston | Richard Grosvenor | Conservative and Unionist | Independent / Other |
| 16 Feb 21 | Epping Forest | Buckhurst Hill West | Gavin Chambers | Conservative and Unionist | Vacant |
| 16 Feb 21 | Forest of Dean | Longhope | Brian Robinson | Conservative and Unionist | Independent / Other |
| 16 Feb 21 | Forest of Dean | Cinderford East | Max Coborn | Labour Party | Vacant |
| 16 Feb 21 | Forest of Dean | Ruspidge | Bernie O’Neill | Labour Party | Independent / Other |
| 16 Feb 21 | Gloucestershire | Forest of Dean: Mitcheldean | Brian Robinson | Conservative and Unionist | Independent / Other |
| 16 Feb 21 | Maidstone | Marden and Yalding | Steve McLoughlin | Conservative and Unionist | Vacant |
| 16 Feb 21 | Maidstone | Detling and Thurnham | Nick de Wiggondene-Sheppard | Conservative and Unionist | Liberal Democrats |
| 16 Feb 21 | Midlothian | Midlothian East | Kenneth Baird | Scottish National Party (SNP) | Vacant |
| 16 Feb 21 | Milton Keynes | Woughton | Shammi Akter | Independent / Other | Vacant |
| 16 Feb 21 | North Norfolk | Holt | Duncan Baker | Conservative and Unionist | Vacant |
| 16 Feb 21 | Reigate and Banstead | Earlswood | Hal Brown | Green Party | Vacant |
| 16 Feb 21 | Reigate and Banstead | Horley East | Derek Allcard | Conservative and Unionist | Vacant |
| 16 Feb 21 | Reigate and Banstead | Hooley, Merstham and Netherne | Keith Foreman | Conservative and Unionist | Vacant |
| 16 Feb 21 | South Lanarkshire | Clydesdale South | Colin McGavigan | Conservative and Unionist | Independent / Other |
| 16 Feb 21 | Staffordshire | East Staffordshire Uttoxeter Town | David Brookes | Conservative and Unionist | Independent / Other |
| 16 Feb 21 | Stevenage | Roebuck | Sarah-Jane McDonough | Labour Party | Vacant |
| 16 Feb 21 | Stirling | Forth and Endrick | Graham Lambie | Scottish National Party (SNP) | Vacant |
| 16 Feb 21 | Surrey | Guildford East | Graham Ellwood | Conservative and Unionist | Vacant |
| 16 Feb 21 | Swale | Priory | Benjamin A Martin | Liberal Democrats | Independent / Other |
| 16 Feb 21 | Swale | Abbey | Denise Knights | Liberal Democrats | Independent / Other |
| 16 Feb 21 | Test Valley | Andover Millway | Alison Watts | Andover Alliance | Vacant |
| 16 Feb 21 | West Lindsey | Hemswell | Paul Howitt-Cowan | Conservative and Unionist | Independent / Other |
| 16 Feb 21 | West Oxfordshire | Freeland and Hanborough | Merilyn Davies | Independent / Other | Conservative and Unionist |
| 16 Feb 21 | West Oxfordshire | Chipping Norton | Mike Cahill | Labour Party | Independent / Other |
| 16 Feb 21 | West Sussex | Sompting and North Lancing | George Barton | Conservative and Unionist | Vacant |
| 04 Feb 21 | Calderdale | Greetland and Stainland | Marilyn Greenwood | Liberal Democrats | Vacant |
| 03 Feb 21 | Brighton and Hove | Hollingdean and Stanmer | Tracey Hill | Labour Party | Vacant |
| 03 Feb 21 | Broxtowe | Stapleford South West | Ray H Darby | Labour Party | Vacant |
| 03 Feb 21 | Ipswich | Holywells | Jan Parry | Labour Party | Vacant |
| 03 Feb 21 | Sunderland | Shiney Row | Geoff Walker | Labour Party | Vacant |
| 03 Feb 21 | Wolverhampton | Bushbury North | Hazel Malcolm | Labour Party | Vacant |
| 03 Feb 21 | Wolverhampton | East Park | Harman Banger | Labour Party | Independent / Other |
| 01 Feb 21 | Dartford | Darneth | Ian D Armitt JP | Conservative and Unionist | Vacant |
| 01 Feb 21 | Sunderland | Copt Hill | Jack Cunningham | Labour Party | Vacant |
| 01 Feb 21 | Wolverhampton | Blakenhall | John Rowley | Labour Party | Vacant |
| 31 Jan 21 | Bristol | Clifton Down | Clive Stevens | Green Party | Vacant |
| 31 Jan 21 | Greenwich | Shooters Hill | Christopher Kirby | Labour Party | Vacant |
| 31 Jan 21 | Sandwell | Princes End | Bill Cherrington | The Brexit Party | Reform UK |
| 31 Jan 21 | Sandwell | Langley | Yvonne Davies | Independent / Other | Labour Party |
| 30 Jan 21 | Elmbridge | Weybridge Riverside | Vicki MacLeod | Independent / Other | Liberal Democrats |
| 30 Jan 21 | Elmbridge | Weybridge Riverside | Ashley Tilling | Independent / Other | Liberal Democrats |
| 30 Jan 21 | Hartlepool | Jesmond | John Tennant | Independent Union | Reform UK |
| 30 Jan 21 | North Yorkshire | Ribblesdale division | Richard Welch | Conservative and Unionist | Vacant |
| 29 Jan 21 | Ashfield | Skegby | Melanie Darrington | Ashfield Independents | Independent / Other |
| 29 Jan 21 | East Northamptonshire | Kings Forest | Roger Glithero JP | Conservative and Unionist | Vacant |
| 29 Jan 21 | East Northamptonshire | Rushden Sartoris | Ron Pinnock | Conservative and Unionist | Vacant |
| 29 Jan 21 | East Northamptonshire | Oundle | Jake Vowles | Conservative and Unionist | Independent / Other |
| 29 Jan 21 | Glasgow | Baillieston | James Coleman | Labour Party | Vacant |
| 29 Jan 21 | Lewisham | New Cross | Joe Dromey | Labour Party | Vacant |
| 29 Jan 21 | Monmouthshire | St. Kingsmark | David Dovey | Conservative and Unionist | Vacant |
| 29 Jan 21 | Thanet | Dane Valley | Gary Taylor | Thanet Independents | Vacant |
| 25 Jan 21 | Amber Valley | Heanor East | Sheila Oakes | Independent / Other | Labour Party |
| 25 Jan 21 | Argyll and Bute | Oban South and the Isles | Roddy McCuish | Independent / Other | Independence for Scotland Party |
| 25 Jan 21 | Bolton | Breightmet | Beverley Fletcher | Conservative and Unionist | Independent / Other |
| 25 Jan 21 | Bolton | Hulton | Diane Parkinson | Conservative and Unionist | Independent / Other |
| 25 Jan 21 | Bolton | Westhoughton South | Anna-Marie Watters | Independent / Other | Conservative and Unionist |
| 25 Jan 21 | Boston | Skirbeck | Colin Woodcock | Independent / Other | Vacant |
| 25 Jan 21 | Braintree | Coggeshall | Nick Unsworth | Independent / Other | Green Party |
| 25 Jan 21 | Bridgend | Pontycymmer | Rod Shaw | Labour Party | Independent / Other |
| 25 Jan 21 | Bromsgrove | Charford | Michael Thompson | Charford Residents Association | Conservative and Unionist |
| 25 Jan 21 | Castle Point | St. Georges | Wood, Brian | Conservative and Unionist | Vacant |
| 25 Jan 21 | Castle Point | St. Peters | Dick, Bill | Conservative and Unionist | Independent / Other |
| 25 Jan 21 | Corby | Lloyds | Lucy Goult | Labour Party | Vacant |
| 25 Jan 21 | Corby | Rural West | Robert Rutt | Independent / Other | Vacant |
| 25 Jan 21 | Craven | Penyghent | Richard WELCH | Conservative and Unionist | Vacant |
| 25 Jan 21 | Crawley | Southgate | Raj Sharma | Labour Party | Vacant |
| 25 Jan 21 | Enfield | Southgate Green | Anne Brown | Labour Party | Independent / Other |
| 25 Jan 21 | Gwynedd | Garth | Huw Gruffydd Wyn Jones | Plaid Cymru - The Party of Wales | Independent / Other |
| 25 Jan 21 | Hounslow | Cranford | Poonam Dhillon | Labour Party | Vacant |
| 25 Jan 21 | Islington | Holloway | Paul Smith | Labour Party | Vacant |
| 25 Jan 21 | Kent | Maidstone Rural South | Eric Hotson | Conservative and Unionist | Independent / Other |
| 25 Jan 21 | Liverpool | West Derby | Lana Orr | Labour Party | Vacant |
| 25 Jan 21 | North Tyneside | St Marys | Les Miller | Conservative and Unionist | Vacant |
| 25 Jan 21 | Northumberland | Ashington Central | Thomas Sinclair Wilson | Labour Party | Independent / Other |
| 25 Jan 21 | Pembrokeshire | Pembroke Dock: Central | Paul Dowson | Independent / Other | UK Independence Party (UKIP) |
| 25 Jan 21 | Scarborough | Flyingdales | Mrs Jane E Mortimer | Conservative and Unionist | Independent / Other |
| 25 Jan 21 | Torfaen | Abersychan | Raymond Williams | Independent / Other | Vacant |
| 11 Jan 21 | Basildon | Langdon Hills | Clancy | Independent / Other | Vacant |
| 11 Jan 21 | Bradford | Bingley Rural | Michael Ellis | Conservative and Unionist | Vacant |
| 11 Jan 21 | Elmbridge | Weybridge Riverside | Andrew Davies | Independent / Other | Vacant |
| 11 Jan 21 | Flintshire | Gwernymynydd | Kevin Hughes | Liberal Democrats | Vacant |
| 11 Jan 21 | Glasgow | Partick East/Kelvindale | Tony Curtis | Independent / Other | Vacant |
| 11 Jan 21 | Kettering | Desborough Loatland | June Derbyshire | Conservative and Unionist | Vacant |
| 11 Jan 21 | Kettering | Rothwell | Karl Sumpter | Conservative and Unionist | Vacant |
| 11 Jan 21 | Spelthorne | Staines | Veena Siva | Labour Party | Independent / Other |
| 11 Jan 21 | Spelthorne | Staines South | Jenny Vinson | Labour Party | Independent / Other |
| 05 Jan 21 | Armagh City, Banbridge and Craigavon | Armagh | Mealla Campbell | SDLP (Social Democratic & Labour Party) | Vacant |
| 05 Jan 21 | Armagh City, Banbridge and Craigavon | Lurgan | Joe Nelson | SDLP (Social Democratic & Labour Party) | Vacant |
| 05 Jan 21 | Bolsover | Pinxton | James Watson | Independent / Other | Vacant |
| 05 Jan 21 | Bolton | Astley Bridge | Paul Wild | Conservative and Unionist | Vacant |
| 05 Jan 21 | Bolton | Heaton and Lostock | Robert Allen | Independent / Other | Conservative and Unionist |
| 05 Jan 21 | Bolton | Hulton | Derek Bullock | Conservative and Unionist | Independent / Other |
| 05 Jan 21 | Braintree | Witham South | Ron Ramage | Conservative and Unionist | Vacant |
| 05 Jan 21 | Dartford | Newtown | Laura Edie | Labour Party | Independent / Other |
| 05 Jan 21 | Dudley | Halesowen South | Ray Burston | Conservative and Unionist | Independent / Other |
| 05 Jan 21 | Eastbourne | Hampden Park | Dean Sabri | Liberal Democrats | Vacant |
| 05 Jan 21 | Fareham | Locks Heath | Keith Evans | Conservative and Unionist | Vacant |
| 05 Jan 21 | Hackney | Woodberry Down | Jon Burke | Labour Party | Vacant |
| 05 Jan 21 | Hampshire | Fareham Warsash | Keith Evans | Conservative and Unionist | Vacant |
| 05 Jan 21 | Isle of Anglesey | Seiriol | Lewis Davies | Plaid Cymru - The Party of Wales | Vacant |
| 05 Jan 21 | Oxford | Hinksey Park | Alex Donnelly | Labour Party | Vacant |
| 05 Jan 21 | Oxford | St. Margarets | Paul Harris | Liberal Democrats | Vacant |
| 05 Jan 21 | Perth and Kinross | Almond and Earn | Henry Anderson | Scottish National Party (SNP) | Vacant |
| 05 Jan 21 | Peterborough | Hargate and Hempsted | Janet Goodwin | Conservative and Unionist | Vacant |
| 05 Jan 21 | Redditch | Headless Cross and Oakenshaw | Roger Bennett | Independent / Other | Conservative and Unionist |
| 05 Jan 21 | Redditch | Batchley | Pattie Hill | Labour Party | Vacant |
| 05 Jan 21 | Worcestershire | Arrow Valley West | Pattie Hill | Labour Party | Vacant |
| 05 Jan 21 | Worcestershire | Powick | Tom Wells | Liberal Democrats | Independent / Other |
| 25 Dec 20 | Bradford | Keighley Central | Abid Hussain | Labour Party | Vacant |
| 22 Dec 20 | Blackpool | Highfield | Lily Henderson MBE | Conservative and Unionist | Vacant |
| 22 Dec 20 | Sheffield | Richmond | Peter Rippon | Labour Party | Vacant |
| 22 Dec 20 | South Oxfordshire | Wallingford | Sue Roberts | Green Party | Independent / Other |
| 22 Dec 20 | South Oxfordshire | Forest Hill | Sarah Gray | Liberal Democrats | Independent / Other |
| 18 Dec 20 | Hertfordshire | Hertford All Saints | Dr Andrew Stevenson | Conservative and Unionist | Independent / Other |
| 18 Dec 20 | South Derbyshire | Seales | Amy Wheelton | Conservative and Unionist | Independent / Other |
| 15 Dec 20 | Cambridgeshire | Cherry Hinton | Sandra Crawford | Labour Party | Independent / Other |
| 15 Dec 20 | West Sussex | Northgate and West Green | Karen Sudan | Labour Party | Independent / Other |
| 13 Dec 20 | Adur | Churchill | Pat Beresford | Conservative and Unionist | Vacant |
| 13 Dec 20 | Argyll and Bute | Isle of Bute | Len Scoullar | Independent / Other | Vacant |
| 13 Dec 20 | Barnsley | Darfield | Trevor Smith | Independent / Other | Labour Party |
| 13 Dec 20 | Birmingham | Hall Green North | Lou Robson | Labour Party | Vacant |
| 13 Dec 20 | Blackpool | Norbreck | Peter Callow | Independent / Other | Vacant |
| 13 Dec 20 | Blackpool | Bloomfield | Graham Cain | Labour Party | Independent / Other |
| 13 Dec 20 | Bradford | Ilkley | Mike Gibbons | Conservative and Unionist | Independent / Other |
| 13 Dec 20 | Enfield | Chase | Vicki Pite | Labour Party | Vacant |
| 13 Dec 20 | Harlow | Toddbrook | Frances Mason | Labour Party | Vacant |
| 13 Dec 20 | Hartlepool | Jesmond | Paddy Brown | Labour Party | Independent / Other |
| 13 Dec 20 | Hartlepool | Fens and Rossmere | Jim Lindridge | Labour Party | Independent / Other |
| 13 Dec 20 | Hyndburn | Immanuel | Josh Allen | Conservative and Unionist | Independent / Other |
| 13 Dec 20 | Hyndburn | Overton | Patrick McGinley | Conservative and Unionist | Independent / Other |
| 13 Dec 20 | Hyndburn | Overton | Stephanie Haworth | Labour Party | Vacant |
| 13 Dec 20 | Kings Lynn and West Norfolk | Springwood | Jo Rust | Labour Party | Independent / Other |
| 13 Dec 20 | Leeds | Burmantofts and Richmond Hill | Ronald Grahame | Labour Party | Independent / Other |
| 13 Dec 20 | Lincolnshire | Horncastle and The Keals | William James Aron | Conservative and Unionist | Independent / Other |
| 13 Dec 20 | Lincolnshire | Louth South | Sarah Rosemary Parkin | Labour Party | Independent / Other |
| 13 Dec 20 | North Kesteven | Bassingham and Brant Broughton | Chris Spray | Lincolnshire Independents Lincolnshire First | Vacant |
| 13 Dec 20 | Ribble Valley | Mellor | Noel Walsh | Conservative and Unionist | Vacant |
| 13 Dec 20 | South Derbyshire | Midway | David Angliss | Conservative and Unionist | Independent / Other |
| 13 Dec 20 | South Derbyshire | Woodville | Michael Dawson | Conservative and Unionist | Independent / Other |
| 13 Dec 20 | South Derbyshire | Melbourne | Martin Fitzpatrick | Conservative and Unionist | Independent / Other |
| 13 Dec 20 | South Derbyshire | Linton | Dan Pegg | Conservative and Unionist | Independent / Other |
| 13 Dec 20 | South Derbyshire | Hatton | Andy Roberts | Conservative and Unionist | Independent / Other |
| 13 Dec 20 | South Derbyshire | Seales | Andrew Brady | Conservative and Unionist | Vacant |
| 13 Dec 20 | South Derbyshire | Willington and Findern | Andrew MacPherson | Conservative and Unionist | Independent / Other |
| 13 Dec 20 | South Oxfordshire | Didcot North East | Simon Hewerdine | Independent / Other | Vacant |
| 13 Dec 20 | Staffordshire Moorlands | Cheadle North East | Ian Whitehouse | Independent / Other | Vacant |
| 13 Dec 20 | Suffolk | Thedwastre North | Jane Storey | Conservative and Unionist | Independent / Other |
| 13 Dec 20 | Tendring | Eastcliff | Joy Broderick | Holland On Sea & Eastcliff Matters | Vacant |
| 13 Dec 20 | Trafford | Longford | Anne Duffield | Labour Party | Vacant |
| 03 Dec 20 | South Hams | Ivybridge West | David May | Conservative and Unionist | Vacant |
| 02 Dec 20 | Bournemouth, Christchurch and Poole | Oakdale | Pete Miles | The Party for Poole People Ltd. | Independent / Other |
| 02 Dec 20 | Bournemouth, Christchurch and Poole | Parkstone | Steve Baron | The Party for Poole People Ltd. | Independent / Other |
| 01 Dec 20 | Basingstoke and Deane | Kempshott | Anne Court | Conservative and Unionist | Vacant |
| 01 Dec 20 | Kingston upon Thames | Chessington South | Patricia Bamford | Liberal Democrats | Vacant |
| 01 Dec 20 | Norfolk | North Walsham West and Erpingham | John William Timewell | Independent / Other | Conservative and Unionist |
| 01 Dec 20 | South Tyneside | Fellgate and Hedworth | Alan Smith | Labour Party | Vacant |
| 01 Dec 20 | Wealden | Crowborough North | Kay Moss | Conservative and Unionist | Independent / Other |
| 21 Nov 20 | Bridgend | Llangeinor | Roz Stirman | Plaid Cymru - The Party of Wales | Independent / Other |
| 21 Nov 20 | Bridgend | Ynysawdre | Tim Thomas | Plaid Cymru - The Party of Wales | Independent / Other |
| 21 Nov 20 | Bristol | Central | Paul Smith | Labour Party | Vacant |
| 21 Nov 20 | Cumbria | Ulverston West | James Airey | Conservative and Unionist | Vacant |
| 21 Nov 20 | Durham | Seaham | Geraldine Bleasdale | Labour Party | Independent / Other |
| 21 Nov 20 | Durham | Stanley | Lyn Boyd | Independent / Other | Labour Party |
| 21 Nov 20 | Elmbridge | Walton North | Andrew Kelly | Conservative and Unionist | Independent / Other |
| 21 Nov 20 | Gloucester | Coney Hill | Lauren Derbyshire | Labour Party | Independent / Other |
| 21 Nov 20 | Halton | Broadheath | Keith Morley | Labour Party | Vacant |
| 21 Nov 20 | Hillingdon | Charville | Neil Fyfe | Conservative and Unionist | Vacant |
| 21 Nov 20 | Kirklees | Colne Valley | Lesley Warner | Labour Party | Independent / Other |
| 21 Nov 20 | Kirklees | Golcar | Richard Murgatroyd | Labour Party | Independent / Other |
| 21 Nov 20 | Kirklees | Colne Valley | Rob Walker | Labour Party | Independent / Other |
| 21 Nov 20 | Kirklees | Birstall and Birkenshaw | Charlotte Goodwin | Conservative and Unionist | Vacant |
| 21 Nov 20 | Lancaster | University | Katie Whearty | Labour Party | Independent / Other |
| 21 Nov 20 | Lancaster | John OGaunt | Alistair Sinclair | Labour Party | Independent / Other |
| 21 Nov 20 | Lancaster | Halton-with-Aughton | Kevin Frea | Labour Party | Independent / Other |
| 21 Nov 20 | Lancaster | John OGaunt | Faye Penny | Labour Party | Independent / Other |
| 21 Nov 20 | Lancaster | University | Jack Aziz ODwyer-Henry | Labour Party | Independent / Other |
| 21 Nov 20 | Maldon | Tollesbury | Elaine L Bamford | Conservative and Unionist | Vacant |
| 21 Nov 20 | South Lakeland | Furness Peninsula | James Airey | Conservative and Unionist | Vacant |
| 21 Nov 20 | South Tyneside | Horsley Hill | Iain Malcolm | Labour Party | Vacant |
| 21 Nov 20 | Spelthorne | Ashford Town | Nick Gething | Conservative and Unionist | Independent / Other |
| 21 Nov 20 | Tandridge | Queens Park | John Orrick | Liberal Democrats | Vacant |
| 21 Nov 20 | Tandridge | Valley | Dorinda Cooper | Liberal Democrats | Vacant |
| 21 Nov 20 | Torbay | Clifton with Maidenway | Ian Doggett | Liberal Democrats | Vacant |
| 21 Nov 20 | Winchester | Alresford and Itchen Valley | Lisa Griffiths | Conservative and Unionist | Independent / Other |
| 21 Nov 20 | Wirral | Hoylake and Meols | Tony Cox | Conservative and Unionist | Independent / Other |
| 21 Nov 20 | Wychavon | Badsey | Mark Goodge | Conservative and Unionist | Independent / Other |
| 11 Nov 20 | Aberdeenshire | Stonehaven and Lower Deeside | Sandy Wallace | Independent / Other | Scottish Libertarian Party |
| 10 Nov 20 | Allerdale | St Johns | Joe Holliday | Independent / Other | Vacant |
| 10 Nov 20 | Cumbria | St Johns and Great Clifton | Joseph Simon Holliday | Independent / Other | Vacant |
| 10 Nov 20 | Cumbria | Brampton | Lawrence Neil Fisher | Conservative and Unionist | Vacant |
| 10 Nov 20 | Gwynedd | Llanrug | Charles Wyn Jones | Plaid Cymru - The Party of Wales | Vacant |
| 10 Nov 20 | Islington | Holloway | Rakhia Ismail | Independent / Other | Conservative and Unionist |
| 10 Nov 20 | Mid and East Antrim | Carrick Castle | John McDermott | Ulster Unionist Party | Democratic Unionist Party - D.U.P. |
| 07 Nov 20 | Amber Valley | Heage and Ambergate | Angela Ward | Conservative and Unionist | Vacant |
| 07 Nov 20 | Arun | River | Emily Seex | Liberal Democrats | Independent / Other |
| 07 Nov 20 | Copeland | Moresby | Graham Calvin | Labour Party | Independent / Other |
| 07 Nov 20 | Copeland | Egremont | Tom Higgins | Labour Party | Independent / Other |
| 07 Nov 20 | Liverpool | Warbreck | Richard McLinden | Labour Party | Vacant |
| 07 Nov 20 | Norfolk | North Walsham West and Erpingham | John William Timewell | Liberal Democrats | Independent / Other |
| 07 Nov 20 | North Norfolk | Brinston | Jolanda Stenton | Liberal Democrats | Conservative and Unionist |
| 07 Nov 20 | Spelthorne | Staines South | Nichola Cornes | Liberal Democrats | Independent / Other |
| 07 Nov 20 | West Lindsey | Nettleham | Giles McNeill | Conservative and Unionist | Independent / Other |
| 29 Oct 20 | Torfaen | New Inn | Raymond Mills | Conservative and Unionist | Vacant |
| 28 Oct 20 | Ryedale | Wolds | Tracie Middleton | Conservative and Unionist | Independent / Other |
| 23 Oct 20 | Cambridge | Kings Hedges | Kevin Price | Labour Party | Vacant |
| 23 Oct 20 | Renfrewshire | Paisley Southeast | Paul Mack | Independent / Other | Vacant |
| 23 Oct 20 | Renfrewshire | Johnstone North, Kilbarchan, Howwood and Lochwinnoch | Andy Doig | Independent / Other | Scotia Future |
| 22 Oct 20 | Central Bedfordshire | Tithe Farm | Patrick Shaun Christopher Hamill | UK Independence Party (UKIP) | Independent / Other |
| 22 Oct 20 | Fareham | Stubbington | Carolyn Heneghan | UK Independence Party (UKIP) | Independent / Other |
| 22 Oct 20 | Redcar and Cleveland | Kirkleatham | Mike Lockwood | UK Independence Party (UKIP) | Independent / Other |
| 22 Oct 20 | Redcar and Cleveland | Normanby | Chris Gallagher | UK Independence Party (UKIP) | Independent / Other |
| 22 Oct 20 | Tendring | Bluehouse | Mary Newton | UK Independence Party (UKIP) | Conservative and Unionist |
| 22 Oct 20 | Tendring | Coppins | Alex Porter | UK Independence Party (UKIP) | Conservative and Unionist |
| 22 Oct 20 | Tendring | Weeley | Peter Harris | Foundation Party | Conservative and Unionist |
| 22 Oct 20 | Tendring | West Clacton | Nicola Overton | UK Independence Party (UKIP) | Vacant |
| 21 Oct 20 | Maldon | Wickham Bishops and Woodham | Karl W Jarvis | Conservative and Unionist | Independent / Other |
| 21 Oct 20 | Rotherham | Valley | Kerry Albiston | Labour Party | Independent / Other |
| 21 Oct 20 | Rotherham | Rotherham West | Ian Jones | Labour Party | Independent / Other |
| 20 Oct 20 | Derry and Strabane | Ballyarnett | Anne McCloskey | Aontú | Vacant |
| 20 Oct 20 | St. Helens | Earlestown | Pam Howard | Independent / Other | Vacant |
| 19 Oct 20 | Exeter | Mincinglake and Whipton | Judy Pattison | Labour Party | Vacant |
| 19 Oct 20 | Plymouth | Plymstock Radford | Kathy Watkin | Conservative and Unionist | Independent / Other |
| 19 Oct 20 | Plymouth | Plymstock Dunstone | Nigel Churchill | Conservative and Unionist | Independent / Other |
| 17 Oct 20 | Conwy | Tudno | Ronnie Hughes | Labour Party | Independent / Other |
| 17 Oct 20 | Conwy | Marl | Mike Priestley | Labour Party | Independent / Other |
| 17 Oct 20 | Sandwell | Rowley | Chris Tranter | Labour Party | Vacant |
| 16 Oct 20 | Aberdeenshire | Mearns | Jeff Hutchison | Independent / Other | Conservative and Unionist |
| 16 Oct 20 | Boston | Skirbeck | Martin Howard MSc. PCGM, Cert Ed | Conservative and Unionist | Independent / Other |
| 15 Oct 20 | Uttlesford | The Sampfords | Alan Storah | Residents for Uttlesford | Vacant |
| 15 Oct 20 | York | Fishergate | Dave Taylor | Green Party | Independent / Other |
| 14 Oct 20 | Argyll and Bute | Helensburgh and Lomond South | Ellen Morton | Liberal Democrats | Vacant |
| 14 Oct 20 | Burnley | Cliviger with Worsthorne | Andrew Newhouse | Conservative and Unionist | Burnley and Padiham independent Party |
| 14 Oct 20 | Cambridge | Trumpington | Peter Lord | Liberal Democrats | Vacant |
| 14 Oct 20 | Craven | Barden Fell | David PIGHILLS | Independent / Other | Vacant |
| 14 Oct 20 | Eastleigh | Eastleigh North | Rosemary Reynolds | Liberal Democrats | Vacant |
| 14 Oct 20 | Eden | Hartside | Robin Orchard | Conservative and Unionist | Vacant |
| 14 Oct 20 | Gloucester | Longlevens | Paul James | Conservative and Unionist | Vacant |
| 14 Oct 20 | Haringey | Bounds Green | Patrick Berryman | Independent / Other | Labour Party |
| 14 Oct 20 | Haringey | Tottenham Hale | Vincent Carroll | Independent / Other | Labour Party |
| 14 Oct 20 | Haringey | Hornsey | Dana Carlin | Independent / Other | Labour Party |
| 14 Oct 20 | Haringey | St Anns | Noah Tucker | Independent / Other | Labour Party |
| 14 Oct 20 | Haringey | Tottenham Green | Preston Tabois | Independent / Other | Labour Party |
| 14 Oct 20 | Harrow | Pinner South | Kamaljit Chana | Conservative and Unionist | Independent / Other |
| 14 Oct 20 | Herefordshire | Newton Farm | Bernard Hunt | Independent / Other | Vacant |
| 14 Oct 20 | Kingston upon Hull | Newington and Gipsyville | Peter Allen | Labour Party | Vacant |
| 14 Oct 20 | Maldon | Great Totham | Richard H Siddall | Conservative and Unionist | Independent / Other |
| 14 Oct 20 | Manchester | Clayton and Openshaw | Ken Dobson | Independent / Other | Vacant |
| 14 Oct 20 | Oxford | Barton and Sandhills | Martyn Rush | Labour Party | Vacant |
| 14 Oct 20 | Plymouth | Eggbuckland | Ian Bowyer | Conservative and Unionist | Independent / Other |
| 14 Oct 20 | Plymouth | Eggbuckland | Lynda Bowyer | Conservative and Unionist | Independent / Other |
| 14 Oct 20 | Plymouth | Peverell | Tony Carson | Conservative and Unionist | Independent / Other |
| 14 Oct 20 | Plymouth | Eggbuckland | Heath Cook | Conservative and Unionist | Independent / Other |
| 14 Oct 20 | Plymouth | Compton | Richard Ball | Conservative and Unionist | Independent / Other |
| 14 Oct 20 | Plymouth | Compton | Andrea Johnson | Conservative and Unionist | Independent / Other |
| 14 Oct 20 | Redbridge | Loxford | Mohammed Iqbal | Labour Party | Vacant |
| 14 Oct 20 | Rochford | Hullbridge | Mrs D Hoy | Green Party | Vacant |
| 14 Oct 20 | South Cambridgeshire | Harston and Comberton | Philip Allen | Liberal Democrats | Vacant |
| 14 Oct 20 | Stockton-on-Tees | Billingham West | Chris Clough | Independent / Other | Vacant |
| 14 Oct 20 | Stockton-on-Tees | Bishopsgarth and Elm Tree | Julia Cherrett | Liberal Democrats | Vacant |
| 14 Oct 20 | Stockton-on-Tees | Western Parishes | Andrew Stephenson | Conservative and Unionist | Vacant |
| 14 Oct 20 | Test Valley | Chilworth, Nursling | Alison Finlay | Conservative and Unionist | Vacant |
| 14 Oct 20 | Vale of White Horse | Grove North | Ruth Molyneaux | Independent / Other | Vacant |
| 14 Oct 20 | West Sussex | Chichester South | Jamie Fitzjohn | Conservative and Unionist | Independent / Other |
| 14 Oct 20 | West Sussex | Chichester West | Louise Goldsmith | Conservative and Unionist | Independent / Other |
| 14 Oct 20 | Wirral | West Kirby and Thurstaston | Geoffrey Watt | Conservative and Unionist | Vacant |
| 14 Oct 20 | Wirral | Rock Ferry | Bill Davies | Independent / Other | Vacant |
| 14 Oct 20 | Wirral | New Brighton | Pat Hackett | Labour Party | Vacant |
| 14 Oct 20 | Wrexham | Maesydre | Paul Jones | Labour Party | Vacant |
| 28 Sep 20 | Islington | Holloway | Rakhia Ismail | Labour Party | Independent / Other |
| 24 Sep 20 | Conwy | Eirias | Dave Cowans | Plaid Cymru - The Party of Wales | Vacant |
| 24 Sep 20 | Dumfries and Galloway | Mid and Upper Nithsdale | Andrew S Wood | Independent / Other | Conservative and Unionist |
| 24 Sep 20 | East Renfrewshire | Clarkston, Netherlee and Williamwood | Stewart Miller | Conservative and Unionist | Independent / Other |
| 24 Sep 20 | Epping Forest | Chigwell Village | John Knapman | Conservative and Unionist | Vacant |
| 24 Sep 20 | Epping Forest | Waltham Abbey High Beach | Syd Stavrou | Conservative and Unionist | Vacant |
| 24 Sep 20 | Hertsmere | Borehamwood Kenilworth | Cynthia Barker | Conservative and Unionist | Vacant |
| 24 Sep 20 | Highland | Nairn and Cawdor | Liz MacDonald | Scottish National Party (SNP) | Independent / Other |
| 24 Sep 20 | Highland | Cromarty Firth | Pauline Munro | Scottish National Party (SNP) | Independent / Other |
| 24 Sep 20 | Highland | Cromarty Firth | Maxine Smith | Scottish National Party (SNP) | Independent / Other |
| 24 Sep 20 | Lancaster | Carnforth | John Reynolds | Labour Party | Independent / Other |
| 24 Sep 20 | Manchester | Didsbury West | Greg Stanton | Independent / Other | Labour Party |
| 24 Sep 20 | Pendle | Brierfield | Qamar Shazad | Labour Party | Vacant |
| 24 Sep 20 | Richmond upon Thames | Hampton Wick | Dylan Baxendale | Green Party | Vacant |
| 24 Sep 20 | Sefton | Derby | Michael OBrien | Labour Party | Vacant |
| 24 Sep 20 | Tamworth | Mercian | Richard Kingstone | Conservative and Unionist | Independent / Other |
| 24 Sep 20 | Teignbridge | Dawlish North East | Linda Petherick | Liberal Democrats | Independent / Other |
| 24 Sep 20 | Teignbridge | Dawlish South West | John Petherick | Liberal Democrats | Independent / Other |
| 24 Sep 20 | West Suffolk | Lakenheath | David Gathercole | Independent / Other | Vacant |
| 24 Sep 20 | Winchester | St Michael | Kim Gottlieb | Liberal Democrats | Vacant |
| 24 Sep 20 | Wyre Forest | Bewdley | Anna Coleman | Conservative and Unionist | Independent / Other |
| 24 Sep 20 | Wyre Forest | Bewdley | Roger Coleman | Conservative and Unionist | Independent / Other |
| 19 Sep 20 | Mendip | Frome Oakfield | Helen Sprawson-White | Independent / Other | Liberal Democrats |
| 19 Sep 20 | Mendip | Shepton East | Bente Height | Independent / Other | Conservative and Unionist |
| 12 Sep 20 | Horsham | Trafalgar | Leonard Crosbie | Liberal Democrats | Vacant |
| 12 Sep 20 | Sefton | Blundellsands | Samantha Marshall BA CIHCM | Labour Party | Vacant |
| 12 Sep 20 | Wealden | Hailsham South | Chriss Triandafyllou | Conservative and Unionist | Vacant |
| 12 Sep 20 | Wealden | Heathfield South | Roger Thomas | Conservative and Unionist | Vacant |
| 10 Sep 20 | Barnet | Edgware | Brian Gordon LLB | Conservative and Unionist | Vacant |
| 10 Sep 20 | Canterbury | Swalecliffe | Ian Thomas | Conservative and Unionist | Vacant |
| 10 Sep 20 | Kent | Whitstable East and Herne Bay West | Ian Thomas | Conservative and Unionist | Vacant |
| 09 Sep 20 | Cambridge | Newnham | Rod Cantrill | Liberal Democrats | Vacant |
| 09 Sep 20 | Maldon | Tolleshunt DArcy | Mrs Maddie E Thompson | Conservative and Unionist | Independent / Other |
| 09 Sep 20 | Maldon | Tillingham | Richard P F Dewick | Conservative and Unionist | Independent / Other |
| 09 Sep 20 | Maldon | Mayland | Michael W Helm | Conservative and Unionist | Independent / Other |
| 09 Sep 20 | Maldon | Althorne | Robert G Boyce MBE | Conservative and Unionist | Independent / Other |
| 09 Sep 20 | Maldon | Southminster | Adrian S Fluker | Conservative and Unionist | Independent / Other |
| 09 Sep 20 | Mid Devon | Castle | Irene Hill | Liberal Democrats | Vacant |
| 09 Sep 20 | Na h-Eileanan Siar | Na Hearadh agus Ceann a Deas nan Loch | Finlay Cunningham | Independent / Other | Vacant |
| 09 Sep 20 | Norfolk | Mundesley | Dr Edward Maxfield | Liberal Democrats | Independent / Other |
| 07 Sep 20 | Haringey | St Anns | Noah Tucker | Labour Party | Independent / Other |
| 07 Sep 20 | Haringey | Hornsey | Dana Carlin | Labour Party | Independent / Other |
| 07 Sep 20 | Haringey | Bounds Green | Patrick Berryman | Labour Party | Independent / Other |
| 05 Sep 20 | South Tyneside | Monkton | Alan Kerr | Labour Party | Vacant |
| 03 Sep 20 | Moray | Heldon and Laich | Amy Taylor | Scottish National Party (SNP) | Independent / Other |
| 03 Sep 20 | Norwich | Thorpe Hamlet | Nigel Utton | Independent / Other | Vacant |
| 31 Aug 20 | Doncaster | Stainforth | George Derx | Labour Party | The Yorkshire Party |
| 31 Aug 20 | Haringey | Tottenham Green | Preston Tabois | Labour Party | Independent / Other |
| 31 Aug 20 | Milton Keynes | Woughton | Shammi Akter | Labour Party | Independent / Other |
| 31 Aug 20 | North Norfolk | Roughton | Nigel Pearce | Liberal Democrats | Conservative and Unionist |
| 31 Aug 20 | Redbridge | Seven Kings | Stuart Bellwood | Labour Party | Vacant |
| 31 Aug 20 | Redcar and Cleveland | Guisborough | Dennis Teasdale | Conservative and Unionist | Vacant |
| 31 Aug 20 | South Lakeland | Grange | Eric Morrell | Liberal Democrats | Vacant |
| 31 Aug 20 | South Lakeland | Broughton and Coniston | Anne Hall | Conservative and Unionist | Vacant |
| 31 Aug 20 | South Lakeland | Kendal Rural | Anne Hutton | Liberal Democrats | Vacant |
| 31 Aug 20 | Stoke-on-Trent | Hollybush and Longton West | Shaun Bennett | Independent / Other | Conservative and Unionist |
| 31 Aug 20 | Stoke-on-Trent | Burslem Park | Lesley Adams | Independent / Other | Conservative and Unionist |
| 31 Aug 20 | Stoke-on-Trent | Sandford Hill | Ally Simcock | Labour Party | Conservative and Unionist |
| 31 Aug 20 | Stoke-on-Trent | Great Chell and Packmoor | Janine Bridges | Independent / Other | Conservative and Unionist |
| 27 Aug 20 | Birmingham | Quinton | John Clancy | Labour Party | Vacant |
| 27 Aug 20 | Cornwall | St Mawgan and Colan | John Fitter | Conservative and Unionist | Independent / Other |
| 27 Aug 20 | East Sussex | Seaford North | Phil Boorman | Conservative and Unionist | Vacant |
| 27 Aug 20 | Hartlepool | Seaton | James Black | Independent Union | Vacant |
| 27 Aug 20 | Lewes | Seaford East | Phil Boorman | Conservative and Unionist | Vacant |
| 27 Aug 20 | Maldon | Heybridge East | Bryan E Harker | Conservative and Unionist | Vacant |
| 27 Aug 20 | Pendle | Horsfield | Steve Petty | Conservative and Unionist | Vacant |
| 27 Aug 20 | South Cambridgeshire | Melbourn | Philippa Hart | Liberal Democrats | Vacant |
| 27 Aug 20 | West Oxfordshire | Ascott and Shipton | Jake Acock | Liberal Democrats | Conservative and Unionist |
| 25 Aug 20 | Enfield | Southgate Green | Daniel Anderson | Labour Party | Independent / Other |
| 25 Aug 20 | Enfield | Chase | Dino Lemonides | Labour Party | Independent / Other |
| 25 Aug 20 | Wirral | Birkenhead and Tranmere | Steve Hayes | Green Party | Independent / Other |
| 22 Aug 20 | Wakefield | Airedale and Ferry Fryston | Alex Kear | Independent / Other | Vacant |
| 19 Aug 20 | Aberdeenshire | Peterhead North and Rattray | Iain Sutherland | Independent / Other | Conservative and Unionist |
| 19 Aug 20 | Barrow-in-Furness | Hindpool | Dave Pidduck | Labour Party | Vacant |
| 19 Aug 20 | Cambridge | Queen Ediths | George Pippas | Liberal Democrats | Vacant |
| 19 Aug 20 | Dacorum | Tring Central | John Bowden | Liberal Democrats | Vacant |
| 19 Aug 20 | Hounslow | Hounslow Heath | Hina Kiani | Labour Party | Vacant |
| 19 Aug 20 | Knowsley | St. Gabriels | Dot Johnson | Labour Party | Vacant |
| 19 Aug 20 | Middlesbrough | Ladgate | June Goodchild | Labour Party | Independent / Other |
| 19 Aug 20 | Milton Keynes | Campbell Park | Terry Baines | Conservative and Unionist | Independent / Other |
| 19 Aug 20 | Newham | East Ham Central | Julianne Marriott | Labour Party | Vacant |
| 19 Aug 20 | North Warwickshire | Curdworth | Shelly Ann Lebrun | Conservative and Unionist | Independent / Other |
| 19 Aug 20 | Rushmoor | St Marks | Abul Chowdhury | Liberal Democrats | Conservative and Unionist |
| 19 Aug 20 | Sandwell | Old Warley | Steve Trow | Labour Party | Vacant |
| 19 Aug 20 | Solihull | Elmdon | Peter Michael Davies | Liberal Democrats | Vacant |
| 19 Aug 20 | Southend-on-Sea | Westborough | Charles Willis | Labour Party | Vacant |
| 19 Aug 20 | St. Helens | Windle | Gill Neal | Independent / Other | Vacant |
| 19 Aug 20 | Stirling | Bannockburn | Maureen Bennison | Scottish National Party (SNP) | Independent / Other |
| 19 Aug 20 | Three Rivers | Moor Park | Joanna Clemens | Conservative and Unionist | Independent / Other |
| 04 Aug 20 | Coventry | Wyken | Hazel Sweet | Labour Party | Vacant |
| 04 Aug 20 | Warwickshire | Feldon | Bob Stevens | Conservative and Unionist | Vacant |
| 02 Aug 20 | Bolton | Heaton and Lostock | Robert Allen | Conservative and Unionist | Independent / Other |
| 02 Aug 20 | North Tyneside | Chirton | Margaret Reynolds | Labour Party | Vacant |
| 31 Jul 20 | South Gloucestershire | Cotterell Frenchay | Jon Hunt | Conservative and Unionist | Vacant |
| 30 Jul 20 | Edinburgh | Liberton/Gilmerton | Derek Howie | Scottish National Party (SNP) | Independent / Other |
| 29 Jul 20 | Glasgow | Partick East/Kelvindale | Tony Curtis | Conservative and Unionist | Independent / Other |
| 27 Jul 20 | Allerdale | Dalton | Marion Fitzgerald | Independent / Other | Conservative and Unionist |
| 27 Jul 20 | Cornwall | Threemilestone and Gloweth | Dulcie Tudor | Liberal Democrats | Independent / Other |
| 24 Jul 20 | Basildon | Burstead | Blake | Conservative and Unionist | Independent / Other |
| 24 Jul 20 | Bournemouth, Christchurch and Poole | Canford Heath | Pete Parrish | Liberal Democrats | Vacant |
| 24 Jul 20 | Causeway Coast and Glens | Causeway | Angela Mulholland | SDLP (Social Democratic & Labour Party) | Independent / Other |
| 24 Jul 20 | Lewes | Seaford West | Ian White | Conservative and Unionist | Vacant |
| 23 Jul 20 | Ashford | Beaver | Alexander Ward | Labour Party | Vacant |
| 22 Jul 20 | Brighton and Hove | North Portslade | Anne Pissaridou | Labour Party | Independent / Other |
| 22 Jul 20 | Brighton and Hove | Moulsecoomb and Bevendean | Kate Knight | Labour Party | Independent / Other |
| 22 Jul 20 | Brighton and Hove | East Brighton | Nichole Brennan | Labour Party | Independent / Other |
| 22 Jul 20 | Brighton and Hove | Hangleton and Knoll | Tony Janio | Conservative and Unionist | Independent / Other |
| 22 Jul 20 | Corby | Danesholme | Peter Petch | Labour Party | Vacant |
| 22 Jul 20 | Corby | Kingswood | Isabel McNab | Labour Party | Vacant |
| 22 Jul 20 | Enfield | Southbury | Chris Bond | Labour Party | Vacant |
| 22 Jul 20 | Haringey | Tottenham Hale | Vincent Carroll | Labour Party | Independent / Other |
| 22 Jul 20 | Leeds | Rothwell | Carmel Hall | Liberal Democrats | Vacant |
| 22 Jul 20 | Lichfield | Summerfield | Bernard Brown | Labour Party | Vacant |
| 22 Jul 20 | Neath Port Talbot | Aberavon | Steffan ap Dafydd | Labour Party | Vacant |
| 22 Jul 20 | North Lanarkshire | Kilsyth | MJ Kerr | Scottish National Party (SNP) | Independent / Other |
| 22 Jul 20 | West Sussex | Felpham | Hilary Flynn | Conservative and Unionist | Vacant |
| 11 Jul 20 | Colchester | Prettygate | Beverly Davies | Conservative and Unionist | Vacant |
| 11 Jul 20 | North Tyneside | Preston | Kate Osborne | Labour Party | Vacant |
| 10 Jul 20 | Glasgow | Drumchapel/Anniesland | Elspeth Kerr | Scottish National Party (SNP) | Independent / Other |
| 10 Jul 20 | Glasgow | Garscadden/Scotstounhill | Michael Cullen | Scottish National Party (SNP) | Independent / Other |
| 09 Jul 20 | Hartlepool | Burn Valley | Dave Hunter | Labour Party | Independent / Other |
| 08 Jul 20 | Calderdale | Northowram and Shelf | Roger Taylor | The Brexit Party | Independent / Other |
| 08 Jul 20 | Causeway Coast and Glens | Coleraine | Stephanie Quigley | SDLP (Social Democratic & Labour Party) | Independent / Other |
| 08 Jul 20 | Causeway Coast and Glens | Coleraine | William McCandless | Ulster Unionist Party | Independent / Other |
| 08 Jul 20 | Guildford | Ash South and Tongham | Graham Eyre | Conservative and Unionist | Independent / Other |
| 08 Jul 20 | Guildford | Ash South and Tongham | Paul Spooner | Conservative and Unionist | Independent / Other |
| 08 Jul 20 | Guildford | Normandy | David Bilbé | Conservative and Unionist | Independent / Other |
| 08 Jul 20 | Guildford | Tillingbourne | Richard Billington | Conservative and Unionist | Independent / Other |
| 08 Jul 20 | Hackney | Hoxton East | Feryal Clark | Labour Party | Vacant |
| 08 Jul 20 | Harlow | Church Langley | Tony Hall | Conservative and Unionist | Vacant |
| 08 Jul 20 | Middlesbrough | Coulby Newham | Stefan Walker | Labour Party | Independent / Other |
| 08 Jul 20 | Sandwell | Langley | Yvonne Davies | Labour Party | Independent / Other |
| 06 Jul 20 | Lancaster | Kellet | Michael Mumford | Liberal Democrats | Vacant |
| 03 Jul 20 | Boston | Five Village | Michael Cooper | Conservative and Unionist | Independent / Other |
| 02 Jul 20 | Ealing | Hobbayne | Anna Tomlinson | Labour Party | Vacant |
| 02 Jul 20 | Hackney | Stamford Hill West | Aron Klein | Conservative and Unionist | Vacant |
| 02 Jul 20 | Warrington | Birchwood | Pauline Nelson | Labour Party | Vacant |
| 01 Jul 20 | Crawley | Bewbush | Rory Fiveash | Labour Party | Independent / Other |
| 30 Jun 20 | Calderdale | Northowram and Shelf | Roger Taylor | Independent / Other | The Brexit Party |
| 30 Jun 20 | Calderdale | Brighouse | Colin Peel | Change UK - The Independent Group | Independent / Other |
| 30 Jun 20 | Crawley | Northgate | Karen Sudan | Labour Party | Independent / Other |
| 30 Jun 20 | Crawley | Tilgate | Charles Petts | Conservative and Unionist | Vacant |
| 30 Jun 20 | East Hampshire | Lindford | Neville Taylor | Independent / Other | Liberal Democrats |
| 27 Jun 20 | Norfolk | Freebridge Lynn | Mr Simon Eyre | Conservative and Unionist | Vacant |
| 27 Jun 20 | Reigate and Banstead | Earlswood | Susan Fenton | Green Party | Vacant |
| 27 Jun 20 | Surrey | Camberley West | Charlotte Morley | Conservative and Unionist | Independent / Other |
| 26 Jun 20 | Highland | North, West and Central Sutherland | Kirsteen Currie | Independent / Other | Scottish National Party (SNP) |
| 26 Jun 20 | Norwich | Thorpe Hamlet | Nigel Utton | Green Party | Independent / Other |
| 25 Jun 20 | Aberdeenshire | Mid Formartine | Jim Gifford | Conservative and Unionist | Independent / Other |
| 25 Jun 20 | Aberdeenshire | Mearns | Jeff Hutchison | Conservative and Unionist | Independent / Other |
| 25 Jun 20 | Aberdeenshire | Inverurie and District | Lesley Berry | Conservative and Unionist | Independent / Other |
| 25 Jun 20 | Aberdeenshire | Banff and District | Michael Roy | Conservative and Unionist | Independent / Other |
| 25 Jun 20 | Bexley | Thamesmead East | Danny Hackett | Change UK - The Independent Group | Independent / Other |
| 25 Jun 20 | Bolsover | Bolsover North & Shuttlewood | Pat Cooper | Labour Party | Vacant |
| 25 Jun 20 | Bolton | Crompton | Hanif Darvesh | Labour Party | Independent / Other |
| 25 Jun 20 | Bolton | Crompton | Bilkis Ismail | Labour Party | Independent / Other |
| 25 Jun 20 | Bolton | Crompton | Martin McMulkin | Labour Party | Independent / Other |
| 25 Jun 20 | Bristol | Brislington West | Harriet Bradley | Labour Party | Vacant |
| 25 Jun 20 | Cannock Chase | Cannock North | Andrea Layton | Labour Party | Independent / Other |
| 25 Jun 20 | Cannock Chase | Hednesford South | Stuart Crabtree | Green Party | Independent / Other |
| 25 Jun 20 | Cannock Chase | Hednesford North | Mandy Dunnett | Green Party | Independent / Other |
| 25 Jun 20 | Cannock Chase | Rawnsley | Claire Wilkinson | Green Party | Independent / Other |
| 25 Jun 20 | Cannock Chase | Hednesford South | Paul Woodhead | Green Party | Independent / Other |
| 25 Jun 20 | Cannock Chase | Hawks Green | Daniel Snape | Conservative and Unionist | Vacant |
| 25 Jun 20 | Cheltenham | Pittville | Dennis Parsons | Liberal Democrats | Independent / Other |
| 25 Jun 20 | Denbighshire | Prestatyn North | Paul Penlington | Labour Party | Plaid Cymru - The Party of Wales |
| 25 Jun 20 | Derby | Oakwood | Frank Harwood | Conservative and Unionist | Independent / Other |
| 25 Jun 20 | Derby | Boulton | Paul Bettany | The Brexit Party | Reform Derby |
| 25 Jun 20 | Derby | Alvaston | Kirk Kus | The Brexit Party | Reform Derby |
| 25 Jun 20 | Derby | Alvaston | John Evans | The Brexit Party | Reform Derby |
| 25 Jun 20 | Derby | Alvaston | Alan J Graves | The Brexit Party | Reform Derby |
| 25 Jun 20 | Derby | Boulton | Alan W Graves | The Brexit Party | Reform Derby |
| 25 Jun 20 | Elmbridge | Cobham and Downside | Mike J. Bennison | The Brexit Party | Vacant |
| 25 Jun 20 | Guildford | Send | Patrick Sheard | Guildford Greenbelt Group | Vacant |
| 25 Jun 20 | Hartlepool | Hart | Ann Johnson | Labour Party | Vacant |
| 25 Jun 20 | Hartlepool | Jesmond | John Tennant | The Brexit Party | Independent / Other |
| 25 Jun 20 | Hounslow | Feltham North | Kuldeep Tak | Labour Party | Conservative and Unionist |
| 25 Jun 20 | Ipswich | Castle Hill | Robin Vickery | Conservative and Unionist | Vacant |
| 25 Jun 20 | Lewes | Ouse Valley | Sean MacLeod | Independent / Other | Liberal Democrats |
| 25 Jun 20 | Lincolnshire | Market Rasen Wolds | Charles Lewis Strange | Conservative and Unionist | Vacant |
| 25 Jun 20 | Melton | Melton Sysonby | John Illingworth | Conservative and Unionist | Independent / Other |
| 25 Jun 20 | Melton | Melton Newport | Simon Lumley | Conservative and Unionist | Independent / Other |
| 25 Jun 20 | Mendip | Shepton West | Edric Hobbs | Independent / Other | Liberal Democrats |
| 25 Jun 20 | Merton | West Barnes | Carl Quilliam | Liberal Democrats | Labour Party |
| 25 Jun 20 | North Somerset | Portishead East | Paul Gardner | Portishead Independents | Vacant |
| 25 Jun 20 | Northamptonshire | Earls Barton | Rob Gough | Conservative and Unionist | Independent / Other |
| 25 Jun 20 | Portsmouth | Eastney and Craneswater | Linda Symes | Conservative and Unionist | Independent / Other |
| 25 Jun 20 | Rochdale | West Heywood | Alan McCarthy | The Brexit Party | Independent / Other |
| 25 Jun 20 | Rotherham | Wath | Simon Evans | Labour Party | Independent / Other |
| 25 Jun 20 | South Kesteven | Glen | Chris Benn | Conservative and Unionist | Vacant |
| 25 Jun 20 | Spelthorne | Sunbury East | Helen Harvey | Conservative and Unionist | Independent / Other |
| 25 Jun 20 | Spelthorne | Ashford North and Stanwell South | Joanne Sexton | Conservative and Unionist | Independent / Other |
| 25 Jun 20 | Spelthorne | Ashford North and Stanwell South | Amar Brar | Conservative and Unionist | Independent / Other |
| 25 Jun 20 | Spelthorne | Sunbury East | Ian Harvey | Conservative and Unionist | Independent / Other |
| 25 Jun 20 | Spelthorne | Ashford Town | Olivia Rybinski | Conservative and Unionist | Independent / Other |
| 25 Jun 20 | Spelthorne | Laleham and Shepperton Green | Richard Smith-Ainsley | Conservative and Unionist | Independent / Other |
| 25 Jun 20 | Suffolk | Carlford | Robin Vickery | Conservative and Unionist | Vacant |
| 25 Jun 20 | Three Rivers | Gade Valley | Joy Mann | Liberal Democrats | Independent / Other |
| 25 Jun 20 | Three Rivers | Gade Valley | Alex Michaels | Liberal Democrats | Independent / Other |
| 25 Jun 20 | Warwickshire | Bedworth Central | Richard Chattaway | Labour Party | Vacant |
| 25 Jun 20 | Wellingborough | Earls Barton | Robert Gough | Conservative and Unionist | Independent / Other |
| 25 Jun 20 | West Lindsey | Kelsey Wold | Lewis Strange | Conservative and Unionist | Vacant |
| 25 Jun 20 | West Suffolk | Moreton Hall | Frank Warby | Conservative and Unionist | Vacant |
| 25 Jun 20 | West Suffolk | Newmarket North | Robin Millar | Conservative and Unionist | Vacant |
| 25 Jun 20 | Wigan | Orrell | Richard Clayton | Conservative and Unionist | Vacant |
| 25 Jun 20 | Winchester | Denmead | Judith Clementson | Conservative and Unionist | Independent / Other |
| 25 Jun 20 | Windsor and Maidenhead | St Mary’s | Gurch Singh | Conservative and Unionist | Liberal Democrats |
| 24 Jun 20 | Ashfield | Central & New Cross | David Hennigan | Ashfield Independents | Independent / Other |
| 24 Jun 20 | Bolton | Horwich and Blackrod | Ann Cunliffe | Labour Party | Independent / Other |
| 24 Jun 20 | Enfield | Winchmore Hill | Dinah Barry | Labour Party | Independent / Other |
| 24 Jun 20 | Enfield | Southgate | Derek Levy | Labour Party | Independent / Other |
| 24 Jun 20 | Enfield | Southgate Green | Daniel Anderson | Independent / Other | Labour Party |
| 24 Jun 20 | Highland | Inverness Ness-side | Ron MacWilliam | Independent / Other | Scottish National Party (SNP) |
| 24 Jun 20 | Highland | North, West and Central Sutherland | Kirsteen Currie | Scottish National Party (SNP) | Independent / Other |
| 24 Jun 20 | West Devon | Okehampton North | Mike Davies | Conservative and Unionist | Independent / Other |
| 24 Jun 20 | West Devon | Bere Ferrers | Robin Musgrave | Independent / Other | Liberal Democrats |