| Reform UK | GPEW–SGP | Lab | Con | Lib Dems | SNP | Plaid | |||
|---|---|---|---|---|---|---|---|---|---|
| 2026-03-04 – 2026-03-06 | Opinium / The Observer | 29% | 14% | 21% | 16% | 10% | 3% | 1% | (6%) |
| 2026-03-04 – 2026-03-06 | Find Out Now | 27% | 21% | 15% | 17% | 10% | 2% | 1% | (7%) |
| 2026-03-04 – 2026-03-05 | BMG Research / The i Paper | 27% | 14% | 20% | 18% | 12% | — | — | (9%) |
| 2026-03-05 | Survation | 29% | 12% | 21% | 18% | 10% | 2% | 2% | (6%) |
| 2026-03-01 – 2026-03-02 | YouGov / Sky News–The Times | 23% | 21% | 16% | 16% | 14% | 3% | 1% | (6%) |
| 2026-02-27 – 2026-03-02 | More in Common | 29% | 14% | 18% | 19% | 14% | 3% | 1% | (2%) |
| 2026-02-27 – 2026-03-01 | Freshwater Strategy / City AM | 30% | 15% | 18% | 18% | 13% | 3% | — | (3%) |
| 2026-02-25 – 2026-02-27 | Opinium / The Observer | 30% | 13% | 18% | 18% | 12% | 3% | 0% | (6%) |
| 2026-02-25 | Find Out Now | 26% | 18% | 15% | 18% | 12% | 3% | 1% | (7%) |
| 2026-02-22 – 2026-02-23 | YouGov / Sky News–The Times | 24% | 17% | 18% | 18% | 14% | 3% | 1% | (5%) |
| 2 261 | 2 286 | 15 483 | |
| 2017 | 1 | 1 | 8 |
| 2018 | 140 | 140 | 923 |
| 2019 | 256 | 274 | 2 160 |
| 2020 | 168 | 168 | 1 181 |
| 2021 | 262 | 262 | 1 796 |
| 2022 | 364 | 364 | 2 383 |
| 2023 | 396 | 396 | 2 503 |
| 2024 | 351 | 351 | 2 274 |
| 2025 | 275 | 282 | 1 927 |
| 2026 | 48 | 48 | 328 |