| Reform UK | Con | Lab | GPEW–SGP | Lib Dems | SNP | Plaid | |||
|---|---|---|---|---|---|---|---|---|---|
| 2026-03-29 – 2026-03-30 | YouGov / Sky News–The Times | 23% | 19% | 18% | 19% | 12% | 3% | 1% | (5%) |
| 2026-03-28 – 2026-03-30 | More in Common | 30% | 21% | 19% | 12% | 11% | 2% | 1% | (4%) |
| 2026-03-26 – 2026-03-27 | Find Out Now | 24% | 18% | 16% | 20% | 12% | 3% | 1% | (6%) |
| 2026-03-25 – 2026-03-26 | BMG Research / The i Paper | 28% | 18% | 19% | 16% | 12% | 2% | 1% | (4%) |
| 2026-03-22 – 2026-03-23 | YouGov / Sky News–The Times | 23% | 17% | 19% | 18% | 13% | 4% | 1% | (5%) |
| 2026-03-20 – 2026-03-23 | Verian | 25% | 18% | 15% | 20% | 14% | 2% | 2% | (4%) |
| 2026-03-20 – 2026-03-22 | More in Common | 27% | 20% | 19% | 12% | 14% | 3% | — | (5%) |
| 2026-03-18 – 2026-03-20 | Opinium / The Observer | 27% | 17% | 21% | 15% | 12% | 3% | 1% | (4%) |
| 2026-03-18 | Find Out Now | 25% | 17% | 16% | 19% | 11% | 3% | 1% | (8%) |
| 2026-03-15 – 2026-03-16 | YouGov / Sky News–The Times | 25% | 17% | 17% | 19% | 14% | 2% | 1% | (5%) |
| 2 280 | 2 305 | 15 619 | |
| 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 | 67 | 67 | 464 |