On 6 May 2021, a by-election was held for the election of one member to the Charville Ward.
| Name of candidate | Party | Number of votes |
|---|---|---|
| BOWMAN, John Paul | Green Party | 164 |
| CUNLIFFE, Alexander Martin | Liberal Democrats | 107 |
| DAVIES, Darran Alfred Leonard | Conservative Party | 2,098 |
| GARELICK, Stephen | Labour and Co-operative Party | 1,799 |
| RYTTER, Tiffany | Independent | 61 |
The number of rejected ballot papers: 54
Turnout: 46.71%