Rugby: Bilton ward, as of 31 August when Conservative councillor Craig Humphrey will resign his seat. He has been appointed managing director of Coventry and Warwickshire Clearing House. Term ends 2016.
Thurrock: West Thurrock and South Stifford ward, after the death of Labour councillor and former leader Andy Smith. Term ends 2018.
Vale of White Horse: Abingdon Dunmore ward, after the resignation of Liberal Democrat councillor Julia Bricknell. Term ends 2015.
Dates for byelections
Conwy: The byelection due in Abergele Pensarn division will take place on 18 September.
Guildford: The byelection due in Lovelace ward will take place on 25 September.
Haringey: The byelection due in Woodside ward will take place on 2 October.
Vale of White Horse: The byelection due in Abingdon Dunmore ward will take place on 11 September.