Edinburgh: Derek Howie, who was elected for the Scottish National Party in Liberton / Gilmerton ward but left the party in July to sit as an Independent, has joined the Scottish Green Party. He will remain an Independent councillor but will work closely with the Green group.
Stoke-on-Trent: Two councillors have left the City Independent group to sit as non-aligned, in support of the Conservative minority administration. They are Melanie Baddeley (Abbey Hulton and Townsend ward) and Jackie Barnes (Springfields and Trent Vale ward) who is also Lord Mayor.
Mid Devon: Castle ward, after the resignation of Liberal Democrat councillor Irene Hill. Term ends 2023.
Norwich: Thorpe Hamlet ward, after the resignation of Independent councillor Nigel Utton who had been elected for the Green Party. His term had been extended to May next year so no byelection will be held.
South Lakeland: Broughton and Coniston ward, after the resignation of Conservative councillor Anne Hall. Term ends 2022.
South Lakeland: Kendal Rural ward, after the resignation of Liberal Democrat councillor Anne Hutton. No byelection will be held as her term was extended to next May.
Dates for byelections
In England, all current vacancies which do not fill a term ending in 2021 will be held on 6 May 2021, the ordinary day for local elections. In Wales, all byelections will be held in a period between 1 February and 16 April 2021.
Eilean Siar: The byelection due in Na Hearadh agus Ceann a Deas Nan Loch ward will be held on 8 October.
Mid Devon: After a vote in full council in which the Liberal Democrats supported a different future for the Greater Exeter Strategic Plan to the one put forward by Independent council leader Bob Deed, the Liberal Democrat members of the cabinet have been dismissed and the Independents have formed a coalition with the Conservative group. The Green Party remains part of the administration.