| Date ? |
Council |
Ward |
Name |
From |
To |
| 15 May 24 | Caerphilly | Aberbargoed and Bargoed | Dianne Price | Labour Party | Vacant |
| 15 May 24 | Flintshire | Pen-y-ffordd | Alasdair Ibbotson | Labour Party | Independent / Other |
| 15 May 24 | Flintshire | Buckley: Bistre West | Dan Rose | Labour Party | Independent / Other |
| 15 May 24 | Flintshire | Buckley: Bistre West | Carolyn Preece | Labour Party | Independent / Other |
| 15 May 24 | Flintshire | Hawarden: Aston | Gillian Brockley | Labour Party | Independent / Other |
| 15 May 24 | Flintshire | Hawarden: Mancot | Sam Swash | Labour Party | Independent / Other |
| 15 May 24 | Gloucestershire | Bisley and Painswick | Susan Williams | Conservative and Unionist | Green Party |
| 15 May 24 | Newport | Stow Hill | Miqdad Al-Nuaimi | Labour Party | Independent / Other |
| 15 May 24 | Stratford-on-Avon | Tredington | Trevor Harvey | Conservative and Unionist | Independent / Other |
| 15 May 24 | West Lindsey | Gainsborough South-West | Jeanette McGhee | Liberal Democrats | Independent / Other |
| 13 May 24 | Cambridgeshire | St. Neots Priory Park & Little Paxton | Keith Prentice | Independent / Other | Labour Party |
| 13 May 24 | Carmarthenshire | Llandybie | Dai Nicholas | Plaid Cymru - The Party of Wales | Independent / Other |
| 13 May 24 | Kirklees | Dalton | Musarrat Khan | Labour Party | Independent / Other |
| 13 May 24 | North Yorkshire | Weaponness & Ramshill | Rich Maw | Labour Party | Independent / Other |
| 13 May 24 | Telford and Wrekin | Priorslee | Paul Thomas | Conservative and Unionist | Independent / Other |
| 12 May 24 | Reigate and Banstead | Banstead Village | Sam Walsh | Independent / Other | Conservative and Unionist |
| 12 May 24 | South Kesteven | Grantham St Vincent's | Patsy Ellis | Green Party | Independent / Other |
| 12 May 24 | Surrey | Woking North | Riasat Khan | Conservative and Unionist | Independent / Other |
| 10 May 24 | Argyll and Bute | Kintyre and the Islands | Robin Currie | Liberal Democrats | Vacant |
| 10 May 24 | Mid Devon | Tiverton Westexe | Jamie Frost | Independent / Other | Vacant |
| 10 May 24 | North Ayrshire | Kilwinning | Mary Hume | Vacant | Labour Party |
| 09 May 24 | Belfast | Botanic | John Gormley | Sinn Féin | Vacant |
| 09 May 24 | Belfast | Botanic | Conor McKay | Vacant | Sinn Féin |
| 09 May 24 | Bournemouth, Christchurch and Poole | Canford Cliffs | Gavin Wright | Vacant | Conservative and Unionist |
| 09 May 24 | Breckland | Hermitage | Robert Hambidge | Vacant | Conservative and Unionist |
| 09 May 24 | Brighton and Hove | Kemptown | Theresa Mackey | Vacant | Labour Party |
| 09 May 24 | Brighton and Hove | Queen's Park | Milla Gauge | Vacant | Labour Party |
| 09 May 24 | Bromley | Shortlands & Park Langley | Gemma Turrell | Vacant | Conservative and Unionist |
| 09 May 24 | Bromley | St Mary Cray | Shaun Slator | Independent / Other | Conservative and Unionist |
| 09 May 24 | Broxtowe | Attenborough & Chilwell East | Tyler Marsh | Vacant | Labour Party |
| 09 May 24 | Camden | Frognal | Steve Adams | Vacant | Conservative and Unionist |
| 09 May 24 | Charnwood | Loughborough East | Louise Taylor-Durant | Vacant | Labour Party |
| 09 May 24 | Cheshire West and Chester | Wolverham | John Stockton | Vacant | Labour Party |
| 09 May 24 | Croydon | Park Hill & Whitgift | Andrew Price | Vacant | Conservative and Unionist |
| 09 May 24 | Croydon | Woodside | Jessica Hammersley-Rich | Vacant | Labour Party |
| 09 May 24 | Denbighshire | Rhyl Trellewelyn | Win Mullen-James | Labour Party | Vacant |
| 09 May 24 | Derry City and Strabane | Foyleside | Shauna Cusack | SDLP (Social Democratic & Labour Party) | Independent / Other |
| 09 May 24 | Derry City and Strabane | Ballyarnett | John McGowan | Sinn Féin | Vacant |
| 09 May 24 | Derry City and Strabane | Ballyarnett | Amanda Clarke | Vacant | Sinn Féin |
| 09 May 24 | Doncaster | Town | Jake Kearsley | Labour Party | Vacant |
| 09 May 24 | Durham | Horden | June Clark | Vacant | Labour Party |
| 09 May 24 | East Devon | Exmouth Brixington | Aurora Bailey | Vacant | Conservative and Unionist |
| 09 May 24 | East Devon | Seaton | Del Haggerty | Conservative and Unionist | Independent / Other |
| 09 May 24 | Essex | Witham Northern | Ross Playle | Independent / Other | Conservative and Unionist |
| 09 May 24 | Essex | Harlow South East | Andrew Johnson | Vacant | Conservative and Unionist |
| 09 May 24 | Hackney | Hoxton East & Shoreditch | Faruk Tinaz | Vacant | Labour Party |
| 09 May 24 | Hackney | De Beauvoir | Jasmine Martins | Vacant | Labour Party |
| 09 May 24 | Hampshire | Fareham Sarisbury | Joanne Burton | Vacant | Conservative and Unionist |
| 09 May 24 | Hampshire | Meon Valley | Malcolm Wallace | Vacant | Green Party |
| 09 May 24 | Hillingdon | Hillingdon East | Kelly Martin | Vacant | Conservative and Unionist |
| 09 May 24 | Hinckley and Bosworth | Ratby, Bagworth and Thornton | Christopher Boothby | Conservative and Unionist | Independent / Other |
| 09 May 24 | Hounslow | Brentford West | Emma Yates | Vacant | Labour Party |
| 09 May 24 | Huntingdonshire | Great Paxton | James Catmur | Vacant | Liberal Democrats |
| 09 May 24 | Islington | Hillrise | Ollie Steadman | Vacant | Labour Party |
| 09 May 24 | Kensington and Chelsea | Norland | Stéphanie Petit | Vacant | Conservative and Unionist |
| 09 May 24 | King's Lynn and West Norfolk | South & West Lynn | Charles Joyce | Labour Party | Independent / Other |
| 09 May 24 | Lambeth | Knight's Hill | Emma Nye | Vacant | Labour Party |
| 09 May 24 | Lambeth | Streatham Common & Vale | Sarah Cole | Vacant | Labour Party |
| 09 May 24 | Lancaster | Carnforth & Millhead | Jackson Stubbs | Vacant | Labour Party |
| 09 May 24 | Leeds | Pudsey | Trish Smith | Conservative and Unionist | Independent / Other |
| 09 May 24 | Leeds | Gipton & Harehills | Mothin Ali | Green Party | Independent / Other |
| 09 May 24 | Leicestershire | Burbage | Barry Walker | Vacant | Liberal Democrats |
| 09 May 24 | Lewisham | Deptford | David Walker | Vacant | Labour Party |
| 09 May 24 | Lincolnshire | Park | Debbie Armiger | Vacant | Labour Party |
| 09 May 24 | Mid Suffolk | Chilton | Lorraine Baker | Vacant | Green Party |
| 09 May 24 | Na h-Eileanan Siar | Na Hearadh | Grant Fulton | Independent / Other | Vacant |
| 09 May 24 | North Norfolk | Poppyland | Angie Fitch-Tillett | Independent / Other | Conservative and Unionist |
| 09 May 24 | North West Leicestershire | Snibston South | Catherine Beck | Vacant | Labour Party |
| 09 May 24 | Peterborough | Paston and Walton | Simon Barkham | Liberal Democrats | Independent / Other |
| 09 May 24 | Ribble Valley | St Mary's | Stewart Fletcher | Independent / Other | Vacant |
| 09 May 24 | Sefton | St Oswald | Joe Johnson | Vacant | Labour Party |
| 09 May 24 | Somerset | Mendip South | Rob Reed | Vacant | Liberal Democrats |
| 09 May 24 | South Derbyshire | Melbourne | Matthew Gotheridge | Vacant | Conservative and Unionist |
| 09 May 24 | South Gloucestershire | New Cheltenham | Angela Morey | Vacant | Labour Party |
| 09 May 24 | South Norfolk | Bunwell | Suzanne Wateridge | Vacant | Green Party |
| 09 May 24 | Stoke-on-Trent | Meir North | Lauren Davison | Vacant | Labour Party |
| 09 May 24 | Sutton | St Helier West | Catherine Gray | Vacant | Conservative and Unionist |
| 09 May 24 | Teignbridge | Ashburton & Buckfastleigh | Jack Major | Vacant | Liberal Democrats |
| 09 May 24 | Three Rivers | Carpenders Park | Ian Morris | Conservative and Unionist | Independent / Other |
| 09 May 24 | Torridge | Bideford North | Teresa Tinsley | Vacant | Liberal Democrats |
| 09 May 24 | Walsall | Pheasey Park Farm | Mike Bird | Conservative and Unionist | Independent / Other |
| 09 May 24 | Wandsworth | West Putney | Nick Austin | Vacant | Conservative and Unionist |
| 09 May 24 | Warwick | Leamington Clarendon | Helen Adkins | Vacant | Labour Party |
| 09 May 24 | Waverley | Milford & Witley | Laura Cavaliere | Vacant | Liberal Democrats |
| 09 May 24 | West Devon | Tavistock North | Holly Greenberry-Pullen | Vacant | Liberal Democrats |
| 09 May 24 | West Northamptonshire | Nene Valley | Jonathan Nunn | Conservative and Unionist | Independent / Other |
| 09 May 24 | Westmorland and Furness | Grange and Cartmel | Andy Hull | Vacant | Liberal Democrats |
| 09 May 24 | Worcestershire | Evesham North West | Mark Goodge | Vacant | Conservative and Unionist |
| 09 May 24 | Worthing | Tarring | Hilary Schan | Labour Party | Independent / Other |
| 09 May 24 | Worthing | Broadwater | Margaret Howard | Labour Party | Independent / Other |
| 09 May 24 | Worthing | Selden | Carl Walker | Labour Party | Independent / Other |
| 08 May 24 | Amber Valley | Crich & South Wingfield | Tony Harper | Vacant | Conservative and Unionist |
| 08 May 24 | Bedford | Riverfield | Hilde Hendrickx | Vacant | Liberal Democrats |
| 08 May 24 | Birmingham | Bournbrook & Selly Park | Jamie Scott | Vacant | Labour Party |
| 06 May 24 | Wakefield | Featherstone | Graham Isherwood | Independent / Other | Labour Party |
