Hartlepool: The Independent Union group of eight councillors, together with Lee Cartwright (Foggy Furze ward) elected for the Veterans and Peoples Party and David Mincher (Manor House ward) elected for the UK Independence Party, have all joined the Brexit Party. Their coalition deal with the Conservatives continues and the Brexit Party and Conservatives have formed a single group on the council.
Devon: Heavitree and Whipton Barton division, after the resignation of Labour county councillor Emma Brennan. Term ends 2021.
Fife: Rosyth ward, after the resignation of Scottish National Party councillor Sam Steele due to ill health. Term ends 2022.
Oxfordshire: Wallingford division, after the impending resignation of Independent county councillor Lynda Atkins. Term ends 2021.
Shetland: Lerwick South ward, after the resignation of Beatrice Wishart, now Member of the Scottish Parliament for Shetland. Although a Liberal Democrat MSP, she sat as an Independent councillor. Term ends 2022.