The latest updates on local electoral information are as follows.
Changes of allegiance
West Oxfordshire: Jake Acock, who was elected for the Liberal Democrats in Ascott and Shipton ward, has joined the Conservative Party.
Wirral: Steve Hayes, who was elected for the Green Party in Birkenhead and Tranmere ward, has left the council group and is sitting as an Independent councillor.
East Sussex: Seaford North division, after the resignation of Conservative county councillor Phil Boorman. His term would have ended in May so no byelection will be held.
Eastleigh: Eastleigh North ward, after the resignation of Liberal Democrat councillor Rosemary Reynolds. She will not be replaced in a byelection as her term would have ended in May next year.
Lewes: Seaford East ward, after the resignation of Conservative councillor Phil Boorman. Term ends 2023.
Pendle: Horsfield ward, after the disqualification of Conservative councillor Steve Petty who did not attend any meetings in six months. No byelection will be held as his 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.
Aberdeenshire: The byelection due in Ellon and District ward, which had been indicated for 1 October, has been put back to 15 October.
West Lothian: The byelection due in Livingston South ward, which had been indicated for 1 October, has been put back to 5 November.