The first elections to the council were held in 1964, ahead of the new system coming into full effect in 1965.
[15] The by-election was triggered by the death of Councillor Gerry Ryan.
[17] The by-election was triggered by the resignation of Councillor Emily Benn.
[18] The by-election was triggered by the resignation of Councillor Kathy Bee.
[20] The by-election was caused by the death of Councillor Maggie Mansell.
[23] The by-election was caused by the resignation of Councillor Steve O'Connell.
[25] The by-election was caused by the resignation of Councillor Simon Hall.
[27] The by-election was caused by the election of Councillor Jason Perry as Mayor of Croydon.
The by-election was caused by the death of Councillor Badsha Quadir.
[34] The by-election was caused by the resignation of Councillor Jade Appleton.