| Date ? |
Council |
Ward |
Name |
From |
To |
| 16 May 25 | Barnet | Whetstone | Ezra Cohen | Vacant | Labour Party |
| 16 May 25 | Broadland | Acle | Jimmi Lee | Vacant | Reform UK |
| 16 May 25 | Cherwell | Bicester East | Donna Ford | Conservative and Unionist | Independent / Other |
| 16 May 25 | Dorset | Swanage | Bill Trite | Conservative and Unionist | Vacant |
| 16 May 25 | East Devon | Honiton St Michael's | Violet Bonetta | Labour Party | Independent / Other |
| 16 May 25 | East Sussex | Seaford North | Sam Adeniji | Conservative and Unionist | Independent / Other |
| 16 May 25 | Medway | Strood North & Frindsbury | Stephen Hubbard | Independent / Other | Labour Party |
| 16 May 25 | Medway | Strood West | Satinder Shokar | Independent / Other | Labour Party |
| 16 May 25 | Newark and Sherwood | Collingham | Linda Dales | Independent / Other | Conservative and Unionist |
| 16 May 25 | Sevenoaks | Edenbridge North and East | Angela Baker | Conservative and Unionist | Independent / Other |
| 16 May 25 | Sevenoaks | Westerham and Crockham Hill | Diana Esler | Conservative and Unionist | Independent / Other |
| 16 May 25 | Sevenoaks | Kemsing | Chris Haslam | Conservative and Unionist | Independent / Other |
| 16 May 25 | Sevenoaks | Edenbridge South and West | Alan Layland | Conservative and Unionist | Independent / Other |
| 16 May 25 | Sevenoaks | Edenbridge South and West | Margot McArthur | Conservative and Unionist | Independent / Other |
| 16 May 25 | Sevenoaks | Kemsing | Simon Reay | Conservative and Unionist | Independent / Other |
| 16 May 25 | Sevenoaks | Seal and Weald | Julia Thornton | Conservative and Unionist | Independent / Other |
| 16 May 25 | Sevenoaks | Halstead, Knockholt and Badgers Mount | John Grint | Conservative and Unionist | Independent / Other |
| 16 May 25 | Stoke-on-Trent | Birches Head & Northwood | Luke Shenton | Vacant | Reform UK |
| 16 May 25 | West Dunbartonshire | Clydebank Waterfront | Kevin Crawford | Vacant | Scottish National Party (SNP) |
| 16 May 25 | West Lancashire | Ormskirk East | Nikki Hennessy | Labour Party | Independent / Other |
| 16 May 25 | Wolverhampton | Tettenhall Wightwick | Wendy Thompson | Independent / Other | Conservative and Unionist |
| 15 May 25 | Chorley | Buckshaw & Whittle | Samantha Martin | Labour Party | Vacant |
| 15 May 25 | Dudley | Gornal | Stuart Turner | Labour Party | Independent / Other |
| 15 May 25 | Hammersmith and Fulham | Fulham Town | Andrew Dinsmore | Conservative and Unionist | Vacant |
| 15 May 25 | Plymouth | Compton | Dylan Tippetts | Independent / Other | Liberal Democrats |
| 15 May 25 | Solihull | Bickenhill | Alison Rolf | Conservative and Unionist | Independent / Other |
| 15 May 25 | Solihull | Silhill | Michael Gough | Conservative and Unionist | Independent / Other |
| 15 May 25 | Solihull | St Alphege | Samantha Gethen | Conservative and Unionist | Independent / Other |
| 15 May 25 | Staffordshire | Eccleshall & Gnosall | Wayne Titley | Reform UK | Vacant |
| 15 May 25 | Wealden | Horam & Punnetts Town | Cornelie Usborne | Green Party (E&W) | Vacant |
| 14 May 25 | Aberdeenshire | East Garioch | Dominic Lonchay | Conservative and Unionist | Independent / Other |
| 14 May 25 | Flintshire | Connah's Quay: Wepre | Roz Mansell | Independent / Other | Flintshire People's Voice |
| 14 May 25 | Harborough | Lutterworth East | Martin Sarfas | Independent / Other | Reform UK |
| 14 May 25 | Harborough | Broughton Astley South & Leire | Mark Graves | Liberal Democrats | Independent / Other |
| 14 May 25 | High Peak | Cote Heath | Kev Kirkham | Conservative and Unionist | Reform UK |
| 14 May 25 | North Hertfordshire | Baldock West | Emma Rowe | Labour Party | Independent / Other |
| 14 May 25 | Nottingham | Mapperley | Sajid Mohammed | Independent / Other | Labour Party |
| 14 May 25 | Oadby and Wigston | Wigston St Wolstan's | Frank Broadley | Liberal Democrats | Independent / Other |
| 14 May 25 | Oadby and Wigston | Wigston St Wolstan's | Linda Broadley | Liberal Democrats | Independent / Other |
| 14 May 25 | Redditch | Batchley & Brockhill | Wanda King | Labour Party | Independent / Other |
| 14 May 25 | Sefton | Blundellsands | Natasha Carlin | Independent / Other | Vacant |
| 14 May 25 | Stroud | Berkeley Vale | Paul Turner | Conservative and Unionist | Independent / Other |
| 13 May 25 | Blaby | Fosse Normanton | Maggie Wright | Conservative and Unionist | Independent / Other |
| 13 May 25 | Buckinghamshire | Buckingham | Robin Stuchbury | Labour Party | Independent / Other |
| 13 May 25 | Durham | Chester-le-Street South | Paul Sexton | Independent / Other | Reform UK |
| 13 May 25 | Durham | Benfieldside | Andrew Kilburn | Reform UK | Vacant |
| 13 May 25 | Greenwich | Shooters Hill | Ivis Williams | Labour Party | Vacant |
| 13 May 25 | Leeds | Pudsey | Trish Smith | Independent / Other | Reform UK |
| 13 May 25 | North Norfolk | Happisburgh | Luke Paterson | Conservative and Unionist | Independent / Other |
| 13 May 25 | Plymouth | Southway | Carol Ney | Labour Party | Independent / Other |
| 13 May 25 | Plymouth | Honicknowle | Zoe Reilly | Labour Party | Independent / Other |
| 13 May 25 | Salford | Swinton & Wardley | Bill Hinds | Labour Party | Independent / Other |
| 13 May 25 | Sheffield | Woodhouse | Willis Marshall | Liberal Democrats | Independent / Other |
| 13 May 25 | Wirral | Heswall | Graham Davies | Conservative and Unionist | Independent / Other |
| 13 May 25 | Wirral | Heswall | Kathy Hodson | Conservative and Unionist | Independent / Other |
| 13 May 25 | Wirral | Heswall | Andrew Hodson | Conservative and Unionist | Independent / Other |
| 09 May 25 | Arun | Arundel & Walberton | Stephen McAuliffe | Green Party (E&W) | Independent / Other |
| 09 May 25 | Burnley | Gannow | Charlie Briggs | Independent / Other | Liberal Democrats |
| 09 May 25 | Calderdale | Skircoat | Paul Hawkaluk | Vacant | Reform UK |
| 09 May 25 | Central Bedfordshire | Houghton Regis East | Pat Hamill | Independent / Other | Reform UK |
| 09 May 25 | Denbighshire | Prestatyn Central | Hugh Irving | Conservative and Unionist | Vacant |
| 09 May 25 | Derbyshire Dales | Bakewell | Gareth Gee | Conservative and Unionist | Independent / Other |
| 09 May 25 | Derbyshire Dales | Dovedale, Parwich & Brassington | Nigel Edwards-Walker | Conservative and Unionist | Independent / Other |
| 09 May 25 | Dover | Walmer | Derek Murphy | Conservative and Unionist | Independent / Other |
| 09 May 25 | Eastleigh | Eastleigh Central | Mark Harding | Vacant | Liberal Democrats |
| 09 May 25 | Hartlepool | Hart | Rob Darby | Conservative and Unionist | Reform UK |
| 09 May 25 | Hertsmere | Borehamwood Hillside | Alpha Collins | Labour Party | Independent / Other |
| 09 May 25 | Plymouth | Compton | Dylan Tippetts | Labour Party | Independent / Other |
| 09 May 25 | Rother | Catsfield & Crowhurst | Chas Pearce | Liberal Democrats | Vacant |
| 09 May 25 | Sheffield | Stocksbridge and Upper Don | Julie Grocutt | Independent / Other | Vacant |
| 09 May 25 | South Ayrshire | Girvan and South Carrick | Gavin Scott | Conservative and Unionist | Independent / Other |
| 09 May 25 | South Ayrshire | Maybole, North Carrick and Coylton | Iain Campbell | Conservative and Unionist | Independent / Other |
| 09 May 25 | South Ayrshire | Ayr East | Mary Kilpatrick | Conservative and Unionist | Independent / Other |
| 09 May 25 | Spelthorne | Ashford Town | Olivia Rybinski | Conservative and Unionist | Vacant |
| 09 May 25 | Walsall | Willenhall North | Stacie Elson | Conservative and Unionist | Independent / Other |
| 09 May 25 | Welwyn Hatfield | Hatfield East | Larry Crofton | Labour Party | Green Party (E&W) |
| 09 May 25 | Wyre | Jubilee | Wayne Martin | Labour Party | Independent / Other |
| 08 May 25 | Aberdeenshire | Ellon and District | John Crawley | Conservative and Unionist | Reform UK |
| 08 May 25 | Nottinghamshire | Newark West | Desmond Clarke | Reform UK | Vacant |
| 08 May 25 | Warwickshire | Galley Common | Luke Shingler | Reform UK | Independent / Other |
| 07 May 25 | Cumberland | Cockermouth North | Helen Tucker | Labour Party | Green Party (E&W) |
| 07 May 25 | North Kesteven | Sleaford Holdingham | Robert Oates | Lincolnshire Independents Lincolnshire First | Conservative and Unionist |
| 07 May 25 | North Kesteven | Ashby de la Launde, Digby & Scopwick | Amelia Bailey | Independent / Other | Reform UK |
| 07 May 25 | North Kesteven | Hykeham Memorial | Nikki Dillon | Independent / Other | Reform UK |
| 07 May 25 | Stevenage | Bedwell | Conor McGrath | Independent / Other | Vacant |
| 06 May 25 | Elmbridge | Weybridge St George's Hill | Pippa Graeme | Weybridge & St. George's Independents | Liberal Democrats |
| 06 May 25 | Fife | St Andrews | Robin Lawson | Conservative and Unionist | Reform UK |
| 06 May 25 | Hartlepool | Rossmere | Tom Feeney | Labour Party | Independent / Other |
| 06 May 25 | Thanet | Cliftonville East | Barry Manners | Conservative and Unionist | Independent / Other |
| 06 May 25 | Welwyn Hatfield | Welwyn West | Sunny Thusu | Independent / Other | Conservative and Unionist |
| 05 May 25 | Amber Valley | Heanor West & Loscoe | Steven Bower | Labour Party | Independent / Other |
| 05 May 25 | Peterborough | Fletton and Woodston | Daisy Blakemore-Creedon | Labour Party | Independent / Other |
| 05 May 25 | Shropshire | Hodnet | Donna Edmunds | Reform UK | Independent / Other |
| 04 May 25 | Harborough | Market Harborough-Logan | Barbara Johnson | Liberal Democrats | Vacant |
| 02 May 25 | King's Lynn and West Norfolk | North Lynn | Micaela Bartrum | Independent / Other | Vacant |
| 02 May 25 | North Yorkshire | Eastfield | Tony Randerson | Social Justice Party | Vacant |
