14 November:Derbyshire Dales, Calver & Longstone (2027). Kelda Boothroyd (Green) has been removed from the list of councillors.
East Ayrshire, Doon Valley (2027). Elaine Stewart (Labour) has resigned. She is the new MP for Ayr, Carrick & Cumnock.
East Ayrshire, Kilmarnock West and Crosshouse (2027). Lillian Jones (Labour) has resigned. She is the new MP for Kilmarnock & Loudon.
Edinburgh, Colinton/Fairmilehead (2027). Scott Arthur (Labour) has resigned. He is the new MP for Edinburgh South West.
Greenwich, Shooters Hill (2026). Danny Thorpe (Labour) has resigned.
Milton Keynes, Bradwell (2027). Robin Bradburn (Liberal Democrat) has died.
Milton Keynes, Broughton (2027). Kerrie Bradburn (Liberal Democrat) has resigned.
Redbridge, Wanstead Park (2026). Bayo Alaba (Labour) has ceased to be a councillor. He is the new MP for Southend East & Rochford.
Telford & Wrekin, Hadley & Leegomery (2027). Gemma Offland (Labour) has resigned.
Telford & Wrekin, The Nedge (2027). Chris Turley (Labour) has died.
West Lothian, Whitburn & Blackburn (2027). Kirsteen Sullivan (Labour) has resigned. She is the new MP for Bathgate & Linlithgow.
West Oxfordshire, Chipping Norton (2026). Rizvana Poole (Labour) has ceased to be a councillor.
21 November:Dacorum, Bennetts End (2027). John Birnie (Independent) has died.
Dacorum, Hemel Hempstead Town (2027). Sadie Hobson (Liberal Democrat) has resigned.
Dartford, Greenhithe & Knockhall (2027). Peter Harman (Swanscombe & Greenhithe Residents' Association) has died.
Glasgow, Drumchapel Anniesland (2027). Patricia Ferguson (Labour) has resigned. She is the new MP for Glasgow West.
Glasgow, Maryhill (2027). Keiran O'Neill (Labour) has resigned.
Glasgow, North East (2027). Maureen Burke (Labour) has resigned. She is the new MP for Glasgow North East.
Gosport, Harbourside & Town (2028). Alan Durrant (Labour) has died.
Highland, Fort William & Ardnamuchan (2027). Angus MacDonald (Liberal Democrat) has resigned. He is the new MP for Inverness, Skye and West Ross-shire.
Horsham, Denne (2027). John Milne (Liberal Democrat) has resigned. He is the new MP for Horsham.
Kent, Swanscombe & Greenhithe (2025). Peter Harman (Swanscombe & Greenhithe Residents' Association) has died.
Rutland, Oakham North East (2027). Hannah Edwards (Liberal Democrat) has died.
Sefton, Litherland (2027). Paul Tweed (no description elected as Labour) has been removed from the list of councillors.
Somerset, Blackmoor Vale (2027). Sarah Dyke (Liberal Democrat) has resigned. She is the new MP for Glastonbury & Somerton.
Somerset, Rowbarton & Staplegrove (2027). Dixie Darch (Liberal Democrat) has resigned.
Swale, Murston (2027). James Hall (Independent elected as Swale Independent) has been removed from the list of councillors.
28 November:Barking and Dagenham, Northbury (2026), Darren Rodwell (Lab) has resigned
Barking & Dagenham, Village (2026). Margaret Mullane (Labour) has resigned. She is the new MP for Dagenham for Rainham.
Barking & Dagenham, Village (2026). Lee Waker (Labour) has died.
Enfield, Jubilee (2026). Nesil Caliskan (Labour) has resigned. She is the new MP for Barking.
Fife, West Fife & Coastal Villages (2027). Graeme Downie (Labour) has been removed from the list of councillors. He is the new MP for Dunfermline & Dollar.
Islington, Junction (2026). Kaya Comer-Schwartz (Labour) has resigned.
Sheffield, Woodhouse (2026). Paul Wood (Sheffield Community Councillor, elected as Labour) has died.
South Gloucestershire, Frampton Cotterell (2027). Claire Young (Liberal Democrat) has resigned. She is the new MP for Thornbury & Yate.
West Dunbartonshire, Kilpatrick (2027). Douglas McAllister (Labour) has been removed from the list of councillors. He is the new MP for West Dunbartonshire.
York, Haxby & Wigginton (2027). Ed Pearson (Liberal Democrat) has resigned.
5 December:Cardiff, Splott (2027). Jane Henshaw (Labour) has died.
Fylde, Kilgrimol (2027). Tim Armit (Independent) has been removed from the list of councillors.
Glasgow, Partick East/Kelvindale (2027). Kenny McLean (SNP) has died.
South Oxfordshire, Cholsey. Ben Manning (Liberal Democrat) has resigned.
Stirling, Stirling East (2027). Chris Kane (Labour) has resigned. He is the new MP for Stirling & Strathallan.
Wokingham, Shinfield (2028). Sarah Bell (Labour) has resigned.
12 December:
Barnsley, Dodworth (2027). Sam Christmas (Liberal Democrat) has resigned.
Chelmsford, "South Hanningfield, Stock and Margaretting" (2027). Ian Grundy (Conservative) has died.
Essex, Stock (2025). Ian Grundy (Conservative) has died.
Runnymede, Ottershaw (2026). Malcolm Cressey (Independent) has been removed from the list of councillors.
St Helens, Blackbrook (2026). Linda Maloney (Labour) has died.
Wakefield, Featherstone (2027). Graham Isherwood (Labour) has died.
19 December:Swale, Milton Regis (2027). Angie Valls (Labour) has been removed from the list of councillors.
23 January:Shetland, Shetland North (2027). Tom Morton (Labour) has resigned. Byelection on 23 Jan 2025.
Known vacancies for which a byelection may be held:
Dudley, Brockmoor & Pensnett (2028). Judy Foster (Labour) has announced her imminent resignation.
Greenwich, West Thamesmead (2026). Chris Lloyd (Liberal Democrat, elected as Labour) has resigned.
Hertfordshire, Hatfield North (2025). James Bond (Conservative) has died.
Hyndburn, Baxenden (2028). Edward Blake (Labour) has been removed from the list of councillors.
Stirling, Bannockburn (2027). Margaret Brisley (Labour) has died.
Known vacancies which fall under the sixth month rule, and so no byelection will be held:
West Northamptonshire, Nene Valley (2025). Lizzy Bowen (Conservative) has resigned
