Swansea Council, Fairwood – 28 May 2026
Conservative seat. Cause: Death.
Liberal Democrat candidate: Beth Rowe.
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Westmorland and Furness Council, Hawcoat and Newbarns – 4 June 2026
Conservative seat. Cause: Resignation.
Liberal Democrat candidate: Stephen Pickthall.
Cheshire West and Chester Council, Christleton and Huntington – 11 June 2026
Conservative seat. Cause: Death.
Liberal Democrats candidate: Chris Ward.
For offers of campaign help, please contact Chris Ward at 07730564712 or Rob Herd at 07725319213.
Dacorum BC, Apsley and Corner Hall – 11 June 2026
Independent (elected as Liberal Democrat) seat. Cause: Resignation.
Liberal Democrat candidate: Hugo Hardy.
Slough BC, Cippenham Green – 11 June 2026
Conservative seat. Cause: Resignation.
Liberal Democrat candidate: Jen Simpson
For offers of campaign help, please contact Frank O’Kelly at 07835 138859.
Wrexham CBC, Acton and Maesydre – 18 June 2026
Plaid Cymru seat. Cause: Resignation.
Wrexham CBC, Queensway – 18 June 2026
Plaid Cymru seat. Cause: Resignation.
Wrexham CBC, Grosvenor – 18 June 2026
Plaid Cymru seat. Cause: Resignation.
Conwy CBC, Gogarth Mostyn – 18 June 2026
Reform UK (elected as Conservative) seat. Cause: Resignation.
Conwy CBC, Tudno – 18 June 2026
Reform UK (elected as Conservative) seat. Cause: Resignation.
Essex CC, Rayleigh West – 18 June 2026
Reform UK seat. Cause: Resignation.
Essex CC, Chelmsford Springfield – 18 June 2026
Liberal Democrat seat. Cause: Countermanded election.
Liberal Democrat candidate: Richard Lee.
Hillingdon LBC, Hillingdon West – 18 June 2026
Conservative seat x2. Cause: Countermanded election.
Bradford MDC, Idle and Thackley – 18 June 2026
Liberal Democrat seat x3. Cause: Countermanded election.
Liberal Democrat candidates: Aislin Naylor, Alun Griffiths and Rachel Sunderland.
Lewisham LBC, Crofton Park – 18 June 2026
Green Party seat. Cause: Disqualification.
New Forest DC, Bransgore, Burley, Sopley and Ringwood East – 18 June 2026
Conservative seat. Cause: Resignation.
Bury Council, Moorside – 18 June 2026
Labour seat. Cause: Countermanded election.
Rochford DC, Sweyne Park and Grange – 18 June 2026
Reform UK seat. Cause: Resignation.
Swansea Council, Morriston – 18 June 2026
Labour seat. Cause: Death.
Swansea Council, Mumbles – 18 June 2026
Reform UK (elected as Conservative) seat. Cause: Resignation.
Aberdeen City Council, George Street/Harbour – 25 June 2026
Liberal Democrat seat. Cause: Resignation.
Brighton and Hove City Council, Goldsmid – 25 June 2026
Independent (elected as Labour) seat. Cause: Resignation.
Highland Council, East Sutherland and Edderton – 25 June 2026
Independent seat. Cause: Resignation.
St Helens MBC, Haydock – 25 June 2026
Reform UK seat. Cause: Resignation.
St Helens MBC, St Helens Town Centre – 25 June 2026
Labour seat x2. Cause: Countermanded election.
Carmarthenshire CC, Llangennech – 25 June 2026
Reform UK seat. Cause: Resignation.
Tamworth BC, Wilnecote – 25 June 2026
Labour seat. Cause: Countermanded election.
Teignbridge DC, Dawlish South West – 25 June 2026
Liberal Democrat seat. Cause: Death.
Denbighshire CC, Llanrhaeadr-yng-Nghinmeirch – 25 June 2026
Plaid Cymru seat. Cause: Resignation.
Denbighshire CC, Rhyl South – 25 June 2026
Independent (elected as Labour) seat. Cause: Death
Ealing LBC, North Acton – 25 June 2026
Green Party seat. Cause: Resignation.
Hackney LBC, Hackney Central – 25 June 2026
Green Party seat. Cause: Ineligible.
Hackney LBC, Dalston – 25 June 2026
Green Party seat. Cause: Disqualification
Haringey LBC, Northumberland Park – 25 June 2026
Green Party seat. Cause: Ineligible.
Haringey LBC, Woodside – 25 June 2026
Labour seat. Cause: Resignation.
Cambridgeshire CC, Roman Bank and Peckover – 25 June 2026
Reform UK seat. Cause: Disqualification.
Torfaen CBC, Llantarnam – 2 July 2026
Reform UK (elected as Independent) seat. Cause: Resignation.