| 13 August 2026 | UK Parliamentary by-election 13 Aug 2026 | Clacton | UK Parliamentary general election | The Official Monster Raving Loony Party | 15 | 0% | 28th | No |
| 7 May 2026 | Local Elections 2026 | Hurstpierpoint and Bolney | West Sussex | The Official Monster Raving Loony Party | 52 | 1% | 6th | No |
| 4 July 2024 | UK General Election 2024 | Mid Sussex | UK Parliamentary general election | The Official Monster Raving Loony Party | 352 | 0.7% | 6th | No |
| 4 May 2023 | Local Elections 2023 | Cuckfield, Bolney & Ansty | Mid Sussex | The Official Monster Raving Loony Party | 150 | 4% | 8th | No |
| 15 September 2022 | Local by-elections 15 Sep 2022 | Bolney | Mid Sussex | The Official Monster Raving Loony Party | 30 | 5% | 4th | No |
| 6 May 2021 | Local Elections 2021 | Hurstpierpoint and Bolney | West Sussex | The Official Monster Raving Loony Party | 122 | 2.8% | 5th | No |
| 12 December 2019 | UK General Election 2019 | Mid Sussex | UK Parliamentary general election | The Official Monster Raving Loony Party | 550 | 0.9% | 5th | No |
| 8 June 2017 | UK General Election 2017 | Mid Sussex | UK Parliamentary general election | The Official Monster Raving Loony Party | 464 | 0.8% | 6th | No |
| 4 May 2017 | Local Elections 2017 | Bolney | Mid Sussex | The Official Monster Raving Loony Party | 33 | 3.9% | 4th | No |
| 4 May 2017 | Local Elections 2017 | Hurstpierpoint and Bolney | West Sussex | The Official Monster Raving Loony Party | 41 | 1.1% | 6th | No |
| 5 May 2016 | London Assembly Election 2016 — London-wide Members | South Wales Central | Wales | The Official Monster Raving Loony Party | 0 | — | 1st | No |
| 7 May 2015 | UK General Election 2015 | Mid Sussex | UK Parliamentary general election | The Official Monster Raving Loony Party | 329 | 0.6% | 7th | No |
| 6 May 2010 | UK General Election 2010 | Mid Sussex | UK Parliamentary general election | The Official Monster Raving Loony Party | 259 | 0.5% | 7th | No |
