They are the principal authorities in Greater London and have responsibilities including education, housing, planning, highways, social services, libraries, recreation, waste, environmental health and revenue collection.

Some of the powers are shared with the Greater London Authority, which also manages passenger transport, police and fire.

[5] Joyce Melican, a Liberal Democrat councillor for Wallington North, resigned in February 2019 for health reasons.

[6] The Liberal Democrat candidate Barry Lewis won the seat in the 29 March 2019 by-election with a reduced majority against the Conservatives.

All registered electors (British, Irish, Commonwealth and European Union citizens) living in London aged 18 or over were entitled to vote in the election.