Every seat was contested and the Conservatives retained control of the council with a majority of 8.

[3] A by-election was called in Forest ward due to the retirement of Godfrey Newman on 11 August 2021.

Following the resignation of Cllr Frances Haigh, a by-election will be held for the vacant seat of Denne in Horsham town.

[5] Following the resignation of Cllr Jim Sanson, (Conservative) a by-election was held on 7 April 2022 for the vacant seat of Storrington & Washington.

[4][6] the election was won by the Green Party in a traditionally safe Conservative seat.