Harrow borough council: Marilyn Ashton was elected councillor for Stanmore Park ward on 28 July, holding the seat for the Conservative Party and returning to the council only a year after standing down.
Islington borough council: Byelection on 11 August in St Peterâ€™s ward after the resignation of Labour councillor Shelley Coupland, who has been charged with benefit fraud and wants to clear her name. Term ends 2014.
Knowsley borough council: Byelection on 18 August in Page Moss ward after the resignation of Labour councillor and former Mayor Tommy Russell. Term ends May next year.
Warrington council: Colin Oliver, who lost his seat in Poulton North ward in May, has been re-elected councillor for the ward in a byelection caused by the resignation of his ward colleague. He rejoins the Liberal Democrat group.
North Yorkshire county council: Vacancy in Thornton Dale and The Wolds division after the resignation of Conservative councillor Ron Haigh, who is moving out of the county to help care for his wife. Term ends 2013.
Gwynedd county council: Byelection on 29 September in Penrhyndeudraeth division after the resignation of Dewi Lewis of Plaid Cymru. There is also a vacancy in Diffwys and Maenofferen division after the resignation of Llais Gwynedd councillor Richard Lloyd Jones. Both terms end in May next year.
Torfaen county borough council: Barry Taylor, candidate of the Labour Party, was elected councillor for Snatchwood division on 26 July, gaining a seat previously held by an Independent councillor.
Edinburgh city council: Byelection on 18 August in City Centre ward after the resignation of Scottish National Party councillor David Beckett, who is to attend a course at Harvard. Term ends May next year.
North Ayrshire council: Byelection on 25 August in Saltcoats and Stevenston ward after the resignation of Labour councillor David Munn. Term ends May next year.