Sitting councillors standing for re-election are marked with an asterisk(*):[5] The by-election in Castle ward was triggered by the resignation of Labour councillor Sarah Baigent in March 2023.

The by-election in Coleridge ward was triggered by the resignation of Labour councillor Lewis Herbert in March 2023.

[6] This seat had been vacant since December 2022 following the resignation of the previous Labour councillor, Carla McQueen.

This seat had been vacant since March 2023 following the resignation of Labour councillor Niamh Sweeney.

The King's Hedges by-election was triggered by the resignation of Labour councillor Alex Collis on 15 May 2023.