Lincoln City Council, Park – 3 April 2025
Labour seat. Cause: Death
Liberal Democrat candidate: Sarah Uldall
Neath Port Talbot Council, Ystalyfera & Cwmllynfell – 3 April 2025
Labour seat. Cause: Resignation
Liberal Democrat candidate: Susan Grounds
St Helens BC, Sutton South East – 3 April 2025
Liberal Democrat seat. Cause: Death
Liberal Democrat candidate: David Smith
Gywnedd Council, Teigl – 10 April 2025
Plaid Cymru seat.
Liberal Democrat candidate: TBA
Haringey LBC, St Ann’s – 10 April 2025
Labour seat. Cause: Resignation
Liberal Democrat candidate: David Beacham
Tameside MBC, Longdendale – 10 April 2025
Labour seat. Cause: Resignation
No Liberal Democrat candidate
Sutton LBC, Sutton Central – 10 April 2025
Liberal Democrat seat. Cause: Resignation
Liberal Democrat candidate: Richard Choi
Horsham DC, Colgate & Rusper – 17 April 2025
Conservative seat. Cause: Death
Liberal Democrat candidate: TBA
Suffolk CC, St John’s – 24 April 2025
Labour seat.
Liberal Democrat candidate: TBA
Thurrock Council, Ockendon – 1 May 2025
Conservative seat. Cause: Resignation
Liberal Democrat candidate: TBA
Breckland DC, Thetford Priory – 1 May 2025
Labour seat.
Liberal Democrat candidate: TBA
Isle of Wight Council, Central Rural – 1 May 2025
Conservative seat.
Liberal Democrat candidate: TBA
Cambridge City Council, East Chesterton – 1 May 2025
Labour seat. Cause: Resignation
Liberal Democrat candidate: TBA
Thurrock Council, Ockenden – 1 May 2025
Labour seat. Cause: Resignation
Liberal Democrat candidate: TBA
Cambridge City Council, West Chesterton – 1 May 2025
Labour seat. Cause: Resignation
Liberal Democrat candidate: TBA
Chichester DC, Midhurst – 1 May 2025
Liberal Democrat seat. Cause: Resignation
Liberal Democrat candidate: TBA
Isle of Wight, Cowes North – 1 May 2025
Labour seat. Cause: Resignation
Liberal Democrat candidate: TBA
Forest of Dean DC, Cinderford East – 1 May 2025
Labour seat. Cause: Resignation
Liberal Democrat candidate: TBA
Forest of Dean DC, Newent & Taynton – 1 May 2025
Liberal Democrat seat. Cause: Reisngation
Liberal Democrat candidate: TBA
Norfolk CC, Thetford West – 1 May 2025
Labour seat. Cause: Resignation
Liberal Democrat candidate: TBA
Teignbridge DC, Teignmouth West – 1 May 2025
Independent seat. Cause: Resignation
Liberal Democrat candidate: TBA
Tonbridge & Malling BC, Snodland East & Ham Hill – 1 May 2025
Labour seat. Cause: Death
Liberal Democrat candidate: TBA
Watford BC, Holywell – 1 May 2025
Labour seat. Cause: Resignation
Liberal Democrat candidate: TBA
Watford BC, Oxhey – 1 May 2025
Liberal Democrat seat. Cause: Resignation
Liberal Democrat candidate: TBA
West Sussex CC, Midhurst – 1 May 2025
Liberal Democrat seat. Cause: Resignation
Liberal Democrat candidate: TBA