Green Party By-elections
| Election | Constituency | Candidate | Vote count | Vote share | Position |
| 2 May 2024 | Blackpool South | Ben Thomas | 368 | 2.0% | 5th |
| 29 February 2024 | Rochdale | Guy Otten | 436 | 1.4% | 9th |
| 15 February 2024 | Wellingborough | Will Morris | 1,020 | 3.4% | 6th |
| 15 February 2024 | Kingswood | Antoinette Francis | 1,450 | 5.8% | 4th |
| 19 October 2023 | Mid Bedfordshire | Cade Sibley | 732 | 1.0% | 6th |
| 19 October 2023 | Tamworth | Sue Howarth | 417 | 1.6% | 6th |
| 20 July 2023 | Uxbridge and South Ruislip | Sarah Green | 893 | 2.9% | 3rd |
| 20 July 2023 | Selby and Ainsty | Arnold Warneken | 1,838 | 5.1% | 3rd |
| 20 July 2023 | Somerton and Frome | Martin Dimery | 3,944 | 10.2% | 3rd |
| 9 February 2023 | West Lancashire | Peter Cranie | 646 | 17.5% | 5th |
| 15 December 2022 | Stretford and Urmston | Dan Jerrome | 789 | 4.3% | 3rd |
| 1 December 2022 | City Of Chester | Paul Bowers | 987 | 3.5% | 4th |
| 23 June 2022 | Tiverton and Honiton | Gill Westcott | 1,064 | 2.5% | 4th |
| 23 June 2022 | Wakefield | Ashley Routh | 587 | 2.1% | 5th |
| 3 March 2022 | Birmingham, Erdington | Siobhan Harper-Nunes | 236 | 1.4% | 5th |
| 16 December 2021 | North Shropshire | Duncan Kerr | 1,738 | 4.6% | 4th |
| 2 December 2021 | Old Bexley and Sidcup | Jonathan Rooks | 830 | 3.8% | 4th |
| 17 June 2021 | Chesham and Amersham | Carolyne Culver | 1,480 | 3.9% | 3rd |
| 6 May 2021 | Hartlepool | Rachel Featherstone | 358 | 1.2% | 6th |