Bassetlaw: East Retford South ward, after the resignation of Labour councillor Helen Richards in opposition to housing proposals. Term ends 2023.
Camden: Fortune Green ward, after the resignation of veteran Liberal Democrat councillor Flick Rea, who is retiring. Term ends 2022.
Lancaster: Bare ward, after the death of Conservative councillor Stephie Barber. Term ends 2023.
Rugby: Wolvey and Shilton ward, after the resignation of Conservative councillor Chris Pacey-Day. Term ends 2022.
South Derbyshire: Seales ward, after the resignation of non-aligned councillor Amy Wheelton (who was elected for the Conservatives but left the party in December). Term ends 2023.
Camden: The byelection due in Fortune Green ward will be held on 22 July.
Highland: The byelection due in Inverness West ward will be held on 12 August.
North Somerset: The byelection due in Congresbury and Puxton ward will be held on 22 July.
Rugby: The byelection due in Wolvey and Shilton ward will be held on 24 June.
Other updates
Stirling: The Conservative group is seeking to remove the Scottish National Party/Labour leadership of the council, which lacks a majority. Their motion of no confidence will be decided on Wednesday.