The Weaste and Seedley ward by-election was held on Thursday 10 October 2013.
| Candidate | Party | Votes cast |
|---|---|---|
| Hesling, Stephen | Labour Party | 803 |
| Kennaugh, Adam | Conservative Party | 240 |
| Olsen, Andrew | Green Party | 42 |
| Pollitt, Kay | British National Party | 29 |
| Simmons, Terry | Trade Unionists and Socialists Against Cuts | 21 |
| Simpson, Matt | Independent | 96 |
| Wright, Glyn | UK Independence Party | 280 |