Westminster Voting Intention: Kantar Public
| End Date | Company | Client | CON | LAB | LD | GRN | BRX | Lead |
| 02 Dec 2019 | Kantar Public Online | 44 | 32 | 15 | 3 | 2 | +12 | |
| 25 Nov 2019 | Kantar Public Online | 43 | 32 | 14 | 4 | 3 | +11 | |
| 18 Nov 2019 | Kantar Public Online | 45 | 27 | 16 | 3 | 2 | +18 | |
| 11 Nov 2019 | Kantar Public Online | 37 | 27 | 17 | 3 | 9 | +10 | |
| 15 Oct 2019 | Kantar Public Online | 39 | 25 | 18 | 3 | 8 | +14 | |
| 09 Sep 2019 | Kantar Public Online | 38 | 24 | 20 | 3 | 7 | +14 | |
| 19 Aug 2019 | Kantar Public Online | 42 | 28 | 15 | 3 | 5 | +14 | |
| 13 May 2019 | Kantar Public Online | 25 | 34 | 15 | 3 | 10 | +9 | |
| 08 Apr 2019 | Kantar Public Online | 32 | 35 | 11 | 4 | +3 | ||
| 11 Mar 2019 | Kantar Public Online | 41 | 31 | 8 | 6 | +10 | ||
| 11 Feb 2019 | Kantar Public Online | 40 | 35 | 10 | 4 | +5 | ||
| 14 Jan 2019 | Kantar Public Online | 35 | 38 | 9 | 4 | +3 | ||
| 06 Dec 2018 | Kantar Public Online | 38 | 38 | 9 | 5 | Tie | ||
| 12 Nov 2018 | Kantar Public Online | 40 | 39 | 8 | 3 | +1 | ||
| 15 Oct 2018 | Kantar Public Online | 41 | 36 | 10 | 4 | +5 | ||
| 10 Sep 2018 | Kantar Public Online | 40 | 35 | 10 | 4 | +5 | ||
| 13 Aug 2018 | Kantar Public Online | 40 | 39 | 9 | 3 | +1 | ||
| 12 Feb 2018 | Kantar Public Online | 39 | 39 | 8 | 2 | Tie | ||
| 20 Nov 2017 | Kantar Public Online | 42 | 38 | 9 | 3 | +4 | ||
| 07 Jun 2017 | Kantar Public Online | 43 | 38 | 7 | 2 | +5 | ||
| 30 May 2017 | Kantar Public Online | 43 | 33 | 11 | 3 | +10 | ||
| 22 May 2017 | Kantar Public Online | 42 | 34 | 9 | 4 | +8 | ||
| 15 May 2017 | Kantar Public Online | 47 | 29 | 8 | 4 | +18 | ||
| 08 May 2017 | Kantar Public Online | 44 | 28 | 11 | 4 | +16 | ||
| 02 May 2017 | Kantar Public Online | 48 | 24 | 11 | 4 | +24 | ||
| 24 Apr 2017 | Kantar Public Online | 46 | 24 | 11 | 4 | +22 |