Camden: St Pancras and Somers Town ward, after the death of Labour councillor Peter Brayshaw. Term ends 2018.
Eastleigh: Hedge End Wildern ward, after the resignation of Liberal Democrat councillor Jenny Hughes. As her term was due to end in May next year, no byelection will be held.
Harlow: Mark Hall ward, after the resignation of UK Independence Party councillor Jerry Crawford. Term ends 2018.
Pendle: Clover Hill ward, after the resignation of Labour councillor Richard Smith. As his term was due to end in May next year, no byelection will be held.
Rotherham: Silverwood ward, after the resignation of Labour councillor and former council leader Roger Stone. As his term was due to end in May next year, no byelection will be held.
West Berkshire: Purley-on-Thames ward, after the death of Conservative councillor David Betts. Term ends in May.
Dates for byelections
Harlow: The byelection due in Mark Hall ward will take place on 12 February.
West Berkshire: The byelection due in Purley-on-Thames ward will be held on Wednesday 28 January.