Here is the by-election result for the Selby and Ainsty constituency held on 20 Jul 2023.
View election results for Selby and Ainsty.
| Party | Candidates | |
|---|---|---|
| Conservative | Claire Holmes | |
| Reform UK | Dave Kent | |
| Labour | Keir Mather | |
| Liberal Democrat | Matt Walker | |
| Green | Arnold Warneken | |
| Others | Independent (Andrew Gray), Indepenent (Mike Jordan), Independent (Nick Palmer), Heritage (Guy Phoenix), Monster Raving Loony (Sir Archibald Stanton), SDP (John Waterstone), Climate (Luke Wellock), Independent (Tyler Wilson-Kerr) | |
| Party | Votes | Percentage | Change | |
|---|---|---|---|---|
| Labour | 16,456 | 45.96% | +21.39% | |
| Conservative | 12,295 | 34.34% | -25.92% | |
| Green | 1,838 | 5.13% | +1.90% | |
| Minor | 1,503 | 4.20% | N/A | |
| Reform UK | 1,332 | 3.72% | N/A | |
| Liberal Democrat | 1,188 | 3.32% | -5.26% | |
| Others | 1,195 | 3.34% | N/A | |
| Majority | 4,161 | 11.62% | ||
| Turnout | 35,807 | N/A | N/A | |
| Electorate | N/A | |||
Swing from CON to LAB | 23.66% | |||
Swing from GRN to LAB | 9.75% | |||
Swing from CON to GRN | 13.91% | |||
| Labour gain from Conservative | ||||
| Last Day of Field Work | Pollster / Client | Sample Size | Weight | CON | LAB | LD | GRN | REF | Lead |
|---|---|---|---|---|---|---|---|---|---|
| 4 Jul 2023 | JL Partners / 38 Degrees | 502 | - | 29 | 41 | 6 | 6 | 8 | 12 |