Falkirk: Two previously suspended councillors, both representing Upper Braes ward, have returned to their groups. James Kerr returns to the Conservatives and John McLuckie is back in the Labour group.
Rotherham: Ian Jones, who was elected for the Labour Party in Rotherham West ward but left the party in September and had been sitting as an Independent councillor, has joined the Rotherham Democratic Party.
West Suffolk: Max Clarke, who was elected for the Labour Party in St Olaves ward, has left the party to sit as an Independent councillor. Roger Dicker, elected for the West Suffolk Independents in Kentford and Moulton ward, has left the group and is now a non-aligned councillor.
Cambridgeshire: Sawston and Shelford division, after the resignation of Conservative councillor and council deputy leader Roger Hickford. His term was due to end in May so he will not be replaced until the full council elections.
Dartford: Wilmington, Sutton-at-Hone and Hawley ward, after the impending resignation of Conservative councillor Calvin McLean. Term ends 2023.
Daventry: Abbey South ward, after the resignation of Conservative councillor Deanna Eddon. Her term would have ended when the authority is abolished in four weeks’ time.
Derby: Darley ward, after the impending resignation of Labour councillor Lisa Eldret. Term ends 2022.
Derbyshire Dales: Wirksworth ward, after the resignation of Labour councillor Elisa McDonagh. Term ends 2023.
Enfield: Jubilee ward, after the resignation of Labour councillor Bernadette Lappage. Term ends 2022.
Greenwich: Peninsula ward, after the impending resignation of Labour councillor Mehboob Khan, who has been appointed as an Assistant Director at Redbridge council. Term ends 2022.
Milton Keynes: Central Milton Keynes ward, after the impending resignation of Labour councillor Paul Williams who has accepted a job with the NHS. Term ends 2023.
North East Lincolnshire: Scartho ward, after the resignation of Conservative councillor Lea Nici, now Member of Parliament for Great Grimsby. Term ends 2022.
Rhondda Cynon Taf: Llantwit Fardre division, after the resignation of Independent councillor Mike Diamond who was elected for the Conservatives. Term ends 2022.
Shropshire: Oswestry East division, after the resignation of Brexit Party councillor Clare Aspinall who was elected for the Conservatives. Her term would have ended in May so no byelection will ensue.
Somerset West and Taunton: Trull, Pitminster and Corfe ward, after the resignation of Liberal Democrat councillor Martin Hill. Term ends 2023.
South Derbyshire: Church Gresley ward, after the resignation of Conservative councillor Jane Perry. Term ends 2023.
Wellingborough: Croyland ward, after the resignation of Conservative councillor Sarah Scanlon. Her term would have ended when the authority is abolished at the end of the month.
West Suffolk: Clare, Hundon and Kedington ward, after the death of Independent councillor Jim Meikle. Term ends 2023.
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. The Cabinet Office has confirmed that local elections teams should not plan on this date being brought forward. Regulations in Wales require outstanding byelections to be held in a period between 1 March and 6 May 2021.
Swansea: The byelection due in Castle division will be held on 6 May.
Allerdale: After a long period in which the council was without a formal Leader but in which a minority Conservative administration held power with the agreement of the Labour group, a snap vote at the budget meeting this week has made the minority Conservative administration official. The Conservative group leader has now been elected as council leader.