The first election to the council was held in 1964, initially operating as a shadow authority before the new system came into full effect in 1965.
Political control of the council since 1964 has been held by the following parties: There were no by-elections.
[12] The by-election was called following the resignation of Councillor Mark Reen.
The by-election was called following the death of Councillor Tej Ram Bagha.
The by-election was called following the resignation of Alexander Stafford MP.
The by-election was called following the resignation of Joy Morrissey MP.
The by-election was called following the death of Councillor Anna Tomlinson.
The by-election was called following the resignation of Councillor Deirdre Costigan.
The by-election was called following the resignation of Councillor Callum Anderson.