Westminster Voting Intention: Redfield & Wilton
| End Date | Company | Client | CON | LAB | LD | GRN | Lead |
| 17 May 2021 | Redfield & Wilton Online | 42 | 33 | 10 | 6 | +9 | |
| 10 May 2021 | Redfield & Wilton Online | 45 | 34 | 8 | 5 | +11 | |
| 03 May 2021 | Redfield & Wilton Online | 40 | 38 | 7 | 5 | +2 | |
| 26 Apr 2021 | Redfield & Wilton Online | 44 | 34 | 8 | 4 | +10 | |
| 19 Apr 2021 | Redfield & Wilton Online | 44 | 34 | 10 | 4 | +10 | |
| 12 Apr 2021 | Redfield & Wilton Online | 43 | 36 | 7 | 5 | +7 | |
| 05 Apr 2021 | Redfield & Wilton Online | 44 | 34 | 9 | 5 | +10 | |
| 29 Mar 2021 | Redfield & Wilton Online | 44 | 36 | 7 | 4 | +8 | |
| 22 Mar 2021 | Redfield & Wilton Online | 42 | 36 | 9 | 6 | +6 | |
| 15 Mar 2021 | Redfield & Wilton Online | 43 | 36 | 7 | 5 | +7 | |
| 08 Mar 2021 | Redfield & Wilton Online | 45 | 36 | 7 | 4 | +9 | |
| 01 Mar 2021 | Redfield & Wilton Online | 44 | 38 | 7 | 3 | +6 | |
| 22 Feb 2021 | Redfield & Wilton Online | 43 | 37 | 7 | 5 | +6 | |
| 15 Feb 2021 | Redfield & Wilton Online | 41 | 39 | 8 | 5 | +2 | |
| 08 Feb 2021 | Redfield & Wilton Online | 43 | 38 | 7 | 4 | +5 | |
| 01 Feb 2021 | Redfield & Wilton Online | 40 | 38 | 8 | 4 | +2 | |
| 25 Jan 2021 | Redfield & Wilton Online | 42 | 37 | 8 | 4 | +5 | |
| 18 Jan 2021 | Redfield & Wilton Online | 40 | 38 | 8 | 5 | +2 | |
| 11 Jan 2021 | Redfield & Wilton Online | 41 | 37 | 8 | 5 | +4 | |
| 02 Dec 2020 | Redfield & Wilton Online | 40 | 37 | 9 | 6 | +3 | |
| 19 Nov 2020 | Redfield & Wilton Online | 40 | 39 | 8 | 4 | +1 | |
| 11 Nov 2020 | Redfield & Wilton Online | 40 | 40 | 7 | 5 | Tie | |
| 28 Oct 2020 | Redfield & Wilton Online | 39 | 41 | 7 | 4 | +2 | |
| 21 Oct 2020 | Redfield & Wilton Online | 40 | 40 | 7 | 4 | Tie | |
| 07 Oct 2020 | Redfield & Wilton Online | 41 | 39 | 8 | 4 | +2 | |
| 01 Oct 2020 | Redfield & Wilton Online | 39 | 39 | 8 | 5 | Tie | |
| 23 Sep 2020 | Redfield & Wilton Online | 40 | 40 | 7 | 5 | Tie | |
| 16 Sep 2020 | Redfield & Wilton Online | 41 | 39 | 8 | 5 | +2 | |
| 02 Sep 2020 | Redfield & Wilton Online | 43 | 37 | 8 | 4 | +6 | |
| 24 Aug 2020 | Redfield & Wilton Online | 42 | 37 | 9 | 5 | +5 | |
| 19 Aug 2020 | Redfield & Wilton Online | 44 | 37 | 7 | 4 | +7 | |
| 12 Aug 2020 | Redfield & Wilton Online | 43 | 36 | 9 | 4 | +7 | |
| 29 Jul 2020 | Redfield & Wilton Online | 43 | 38 | 7 | 4 | +5 | |
| 22 Jul 2020 | Redfield & Wilton Online | 44 | 36 | 8 | 5 | +8 | |
| 15 Jul 2020 | Redfield & Wilton Online | 44 | 37 | 8 | 4 | +7 | |
| 08 Jul 2020 | Redfield & Wilton Online | 44 | 39 | 7 | 4 | +5 | |
| 01 Jul 2020 | Redfield & Wilton Online | Election Maps UK | 42 | 38 | 8 | 5 | +4 |
| 25 Jun 2020 | Redfield & Wilton Online | Election Maps UK | 44 | 38 | 7 | 4 | +6 |
| 18 Jun 2020 | Redfield & Wilton Online | 43 | 38 | 8 | 4 | +5 | |
| 11 Jun 2020 | Redfield & Wilton Online | 41 | 39 | 9 | 4 | +2 | |
| 03 Jun 2020 | Redfield & Wilton Online | 43 | 36 | 9 | 5 | +7 | |
| 27 May 2020 | Redfield & Wilton Online | 43 | 37 | 9 | 3 | +6 | |
| 15 May 2020 | Redfield & Wilton Online | 47 | 35 | 9 | 3 | +12 | |
| 06 May 2020 | Redfield & Wilton Online | 50 | 31 | 7 | 5 | +19 | |
| 26 Apr 2020 | Redfield & Wilton Online | 50 | 33 | 7 | 4 | +17 | |
| 17 Apr 2020 | Redfield & Wilton Online | 52 | 31 | 8 | 3 | +21 | |
| 02 Apr 2020 | Redfield & Wilton Online | 49 | 29 | 8 | 4 | +20 | |
| 23 Mar 2020 | Redfield & Wilton Online | 47 | 29 | 8 | 5 | +18 | |
| 12 Feb 2020 | Redfield & Wilton Online | 49 | 31 | 9 | 4 | +18 |