.
| Reform UK | Con | Lab | GPEW–SGP | Lib Dems | RB | SNP | |||
|---|---|---|---|---|---|---|---|---|---|
| 2026-05-09 – 2026-05-12 | More in Common | 30% | 19% | 21% | 11% | 14% | — | 3% | (2%) |
| 2026-05-10 – 2026-05-11 | YouGov / Sky News–The Times | 27 9% | 17% | 16% | 16% | 13% | 3% | 3% | (4 1%) |
| 2026-05-06 | Find out now | 25% | 20% | 16% | 20% | 11% | — | 3% | (5%) |
| 2026-05-01 – 2026-05-04 | More in Common | 28% | 20% | 21% | 12% | 12% | — | 2% | (5%) |
| 2026-04-26 – 2026-05-01 | Deltapoll | 29% | 19% | 21% | 12% | 9% | — | 3% | (7%) |
| 2026-04-29 – 2026-05-01 | Opinium / The Observer | 27% | 18% | 19% | 15% | 12% | — | 3% | (6%) |
| 2026-04-29 – 2026-04-30 | BMG Research / The i Paper | 28% | 17% | 19% | 16% | 12% | — | 3% | (5%) |
| 2026-04-29 | Find Out Now | 24% | 18% | 16% | 20% | 11% | — | 3% | (8%) |
| 2026-04-26 – 2026-04-27 | YouGov / Sky News–The Times | 26% | 19% | 18% | 15% | 13% | 3% | 2% | (4%) |
| 2026-04-24 – 2026-04-27 | More in Common | 27% | 21% | 20% | 13% | 11% | — | 3% | (5%) |
| 2 310 | 2 335 | 15 841 | |
| 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 | 97 | 97 | 686 |