The result in Hilton ward was declared void after Conservative candidate Gillian Lemmon died during the election count.

[2] The Hilton election was subsequently held on 15 June 2023 and saw the Liberal Democrats gain two of the three seats there, giving them their first representation on the council.

Conservative group leader Peter Smith was one of the candidates defeated in Hilton ward.

[8] The Melbourne by-election was triggered by the resignation of Conservative councillor Martin Fitzpatrick.

[10] The Hatton by-election was triggered by the resignation of Labour councillor Julie Jackson.