Buckinghamshire: Andrea Baughan, who was elected as a Wycombe Independent in Ryemead and Micklefield ward, has joined the Labour Party. In addition Steve Guy (Totteridge and Bowerdean ward) has moved from the Wycombe Independents to be an Independent councillor in the IMPACT Alliance group.
Clackmannanshire: Craig Holden, who was elected for the Scottish National Party in Clackmannanshire South ward, has left the party to sit as an Independent councillor.
Southend-on-Sea: Tricia Cowdrey, who was elected for the Labour Party in Kursaal ward, has left the Labour group to sit as a non-aligned Independent councillor.
Barnet: Golders Green ward, after the death of veteran councillor and former Mayor Melvin Cohen. Term ends 2026.
Blaby: North Whetstone ward, after the resignation of Conservative councillor Sharon Coe. Her term would have ended in May so she will not be replaced in a byelection.
Cheltenham: Battledown ward, after the resignation of Conservative councillor Louis Savage. He will not be replaced as his term would have ended in May.
Epsom and Ewell: Stamford ward, after the resignation of Residents’ Association councillor Previn Jagutpal. His term was due to end in May so no byelection follows.
Rother: Southern Rother ward, after the resignation of Conservative councillor Roger Bird. His resignation will not lead to a byelection as his term was due to end in May.
South Lakeland: Bowness and Levens ward, after the resignation of Conservative councillor Brian Rendell. His term was due to end when the authority is abolished at the end of March so no byelection ensues.
Dates for byelections
Aberdeen: The byelection due in Dyce, Bucksburn and Danestone ward will be held on 23 February.
Staffordshire: The byelection due in Biddulph North division will be held on 19 January.