Changes since 1950

When an existing member resigns or dies, a member is co-opted to replace them. By convention, someone from the same party is co-opted, although the controlling group on the council may appoint whomever they wish. There is no provision for local authority by-elections. Ministers of State have usually relinquished their council seats on appointment.

*Co-opted member not re-elected at subsequent election
¶Co-opted member who didn't stand at subsequent election
§Co-opted member who stood in a different area at subsequent election

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