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