Westminster Voting Intention
| End Date | Company | Client | CON | LAB | CHUK | LD | GRN | UKIP | Lead |
| 12 Apr 2019 | Opinium Online | Observer | 29 | 36 | 8 | 4 | 11 | +7 | |
| 11 Apr 2019 | YouGov Online | Times | 28 | 32 | 3 | 11 | 5 | 6 | +4 |
| 08 Apr 2019 | Kantar Public Online | 32 | 35 | 11 | 4 | 7 | +3 | ||
| 07 Apr 2019 | ComRes Online | Telegraph | 32 | 32 | 9 | 7 | 3 | 9 | Tie |
| 05 Apr 2019 | BMG Online | Independent | 35 | 34 | 11 | 5 | 7 | +1 | |
| 03 Apr 2019 | YouGov Online | 32 | 31 | 12 | 4 | 7 | +1 | ||
| 30 Mar 2019 | Deltapoll Online | Mail on Sunday | 32 | 35 | 9 | 7 | 4 | 5 | +3 |
| 29 Mar 2019 | Opinium Online | Observer | 35 | 35 | 9 | 5 | 9 | Tie | |
| 25 Mar 2019 | YouGov Online | Times | 36 | 33 | 11 | 4 | 4 | +3 | |
| 24 Mar 2019 | ComRes Online | Leave Means Leave | 33 | 33 | 9 | 8 | 3 | 7 | Tie |
| 22 Mar 2019 | Opinium Online | Observer | 36 | 35 | 7 | 4 | 9 | +1 | |
| 21 Mar 2019 | ComRes Online | Daily Express | 34 | 35 | 6 | 8 | 4 | 7 | +1 |
| 19 Mar 2019 | Ipsos MORI Phone | 38 | 34 | 2 | 8 | 4 | 7 | +4 | |
| 17 Mar 2019 | ComRes Online | Telegraph | 34 | 35 | 7 | 8 | 3 | 6 | +1 |
| 15 Mar 2019 | Opinium Online | Observer | 35 | 35 | 4 | 7 | 4 | 8 | Tie |
| 15 Mar 2019 | Survation Online | Daily Mail | 35 | 39 | 10 | 5 | +4 | ||
| 15 Mar 2019 | YouGov Online | Times | 35 | 31 | 12 | 4 | 6 | +4 | |
| 11 Mar 2019 | Kantar Public Online | 41 | 31 | 8 | 6 | 6 | +10 | ||
| 08 Mar 2019 | BMG Online | 39 | 34 | 12 | 4 | 5 | +5 | ||
| 05 Mar 2019 | ComRes Online | Brexit Express | 36 | 34 | 8 | 8 | 3 | 6 | +2 |
| 04 Mar 2019 | YouGov Online | Times | 40 | 31 | 11 | 4 | 3 | +9 | |
| 01 Mar 2019 | Opinium Online | Observer | 37 | 33 | 5 | 7 | 4 | 7 | +4 |
| 23 Feb 2019 | YouGov Online | Times | 41 | 30 | 10 | 4 | 5 | +11 | |
| 22 Feb 2019 | Deltapoll Online | Mail on Sunday | 39 | 31 | 11 | 5 | 3 | 4 | +8 |
| 22 Feb 2019 | Opinium Online | Observer | 40 | 32 | 6 | 5 | 4 | 7 | +8 |
| 19 Feb 2019 | YouGov Online | Times | 41 | 33 | 10 | 4 | 4 | +8 | |
| 19 Feb 2019 | Sky Data Online | 32 | 26 | 10 | 9 | 4 | 6 | +6 | |
| 18 Feb 2019 | Survation Online | Daily Mail | 40 | 36 | 10 | 2 | 5 | +4 | |
| 15 Feb 2019 | Opinium Online | Observer | 37 | 37 | 8 | 4 | 7 | Tie | |
| 11 Feb 2019 | Kantar Public Online | 40 | 35 | 10 | 4 | 3 | +5 | ||
| 08 Feb 2019 | BMG Online | 38 | 35 | 13 | 5 | 5 | +3 | ||
| 07 Feb 2019 | YouGov Online | Times | 39 | 34 | 11 | 4 | 5 | +5 | |
| 05 Feb 2019 | Ipsos MORI Phone | 38 | 38 | 10 | 3 | 4 | Tie | ||
| 04 Feb 2019 | YouGov Online | Times | 41 | 34 | 10 | 4 | 4 | +7 | |
| 01 Feb 2019 | Opinium Online | Observer | 41 | 34 | 8 | 4 | 7 | +7 | |
| 30 Jan 2019 | Survation Online | Daily Mail | 38 | 39 | 9 | 2 | 4 | +1 | |
| 18 Jan 2019 | Opinium Online | Observer | 37 | 40 | 7 | 4 | 7 | +3 | |
| 18 Jan 2019 | ICM Online | 39 | 40 | 9 | 3 | 5 | +1 | ||
| 17 Jan 2019 | Number Cruncher Politics Online | 41 | 39 | 8 | 2 | 4 | +2 | ||
| 17 Jan 2019 | ComRes Online | Sunday Express | 38 | 37 | 10 | 3 | 6 | +1 | |
| 15 Jan 2019 | ComRes Online | Express | 37 | 39 | 8 | 3 | 7 | +2 | |
| 14 Jan 2019 | Kantar Public Online | 35 | 38 | 9 | 4 | 6 | +3 | ||
| 14 Jan 2019 | YouGov Online | Times | 39 | 34 | 11 | 4 | 6 | +5 | |
| 11 Jan 2019 | BMG Online | Independent | 36 | 36 | 12 | 5 | 6 | Tie | |
| 11 Jan 2019 | Survation Online | Daily Mail | 38 | 41 | 10 | 2 | 4 | +3 | |
| 07 Jan 2019 | YouGov Online | Times | 41 | 35 | 11 | 3 | 4 | +6 | |
| 04 Jan 2019 | YouGov Online | People's Vote | 40 | 34 | 10 | 4 | 4 | +6 | |
| 20 Dec 2018 | Opinium Online | 39 | 39 | 6 | 4 | 6 | Tie | ||
| 17 Dec 2018 | YouGov Online | Times | 41 | 39 | 7 | 3 | 4 | +2 | |
| 14 Dec 2018 | YouGov Online | People's Vote | 40 | 36 | 10 | 3 | 4 | +4 | |
| 14 Dec 2018 | Opinium Online | Observer | 38 | 39 | 8 | 4 | 6 | +1 | |
| 11 Dec 2018 | Populus Online | 37 | 40 | 7 | 3 | 6 | +3 | ||
| 07 Dec 2018 | BMG Online | 37 | 38 | 12 | 4 | 4 | +1 | ||
| 07 Dec 2018 | YouGov Online | Sunday Times | 38 | 37 | 10 | 4 | 3 | +1 | |
| 06 Dec 2018 | Kantar Public Online | 38 | 38 | 9 | 5 | 5 | Tie | ||
| 05 Dec 2018 | Ipsos MORI Phone | 38 | 38 | 9 | 5 | 4 | Tie | ||
| 04 Dec 2018 | YouGov Online | Times | 40 | 38 | 9 | 4 | 4 | +2 | |
| 02 Dec 2018 | ComRes Online | Sunday Express | 37 | 39 | 9 | 3 | 6 | +2 | |
| 27 Nov 2018 | YouGov Online | Times | 40 | 35 | 10 | 3 | 6 | +5 | |
| 19 Nov 2018 | YouGov Online | Times | 39 | 36 | 8 | 4 | 6 | +3 | |
| 19 Nov 2018 | YouGov Online | Times | 39 | 36 | 8 | 4 | 6 | +3 | |
| 15 Nov 2018 | Opinium Online | Observer | 36 | 39 | 7 | 3 | 8 | +3 | |
| 15 Nov 2018 | ComRes Online | Sunday Express | 36 | 40 | 9 | 3 | 7 | +4 | |
| 12 Nov 2018 | Kantar Public Online | 40 | 39 | 8 | 3 | 3 | +1 | ||
| 09 Nov 2018 | BMG Online | 36 | 37 | 12 | 4 | 6 | +1 | ||
| 07 Nov 2018 | Panelbase Online | Constitutional Commission | 40 | 40 | 8 | 3 | 5 | Tie | |
| 05 Nov 2018 | YouGov Online | Times | 41 | 37 | 8 | 4 | 4 | +4 | |
| 02 Nov 2018 | Survation Online | Channel 4 | 39 | 40 | 8 | 2 | 3 | +1 | |
| 30 Oct 2018 | YouGov Online | Times | 41 | 39 | 7 | 2 | 5 | +2 | |
| 28 Oct 2018 | ICM Online | 40 | 38 | 9 | 3 | 5 | +2 | ||
| 26 Oct 2018 | Deltapoll Online | Mirror | 43 | 40 | 6 | 2 | 5 | +3 | |
| 23 Oct 2018 | YouGov Online | Times | 41 | 36 | 8 | 4 | 4 | +5 | |
| 22 Oct 2018 | Ipsos MORI Phone | 39 | 37 | 10 | 5 | 5 | +2 | ||
| 15 Oct 2018 | Kantar Public Online | 41 | 36 | 10 | 4 | 3 | +5 | ||
| 15 Oct 2018 | YouGov Online | Times | 41 | 36 | 9 | 3 | 4 | +5 | |
| 12 Oct 2018 | Opinium Online | Observer | 41 | 37 | 8 | 3 | 6 | +4 | |
| 12 Oct 2018 | Opinium Online | Observer | 41 | 37 | 8 | 3 | 6 | +4 | |
| 09 Oct 2018 | YouGov Online | Times | 41 | 37 | 9 | 3 | 4 | +4 | |
| 05 Oct 2018 | Opinium Online | Observer | 39 | 39 | 7 | 3 | 6 | Tie | |
| 05 Oct 2018 | BMG Online | Independent | 38 | 39 | 10 | 4 | 4 | +1 | |
| 01 Oct 2018 | YouGov Online | Times | 42 | 36 | 9 | 2 | 5 | +6 | |
| 29 Sep 2018 | BMG Online | HuffPost | 35 | 40 | 12 | 3 | 5 | +5 | |
| 28 Sep 2018 | Opinium Online | Observer | 39 | 36 | 9 | 3 | 6 | +3 | |
| 27 Sep 2018 | ComRes Online | Express | 39 | 40 | 9 | 2 | 5 | +1 | |
| 25 Sep 2018 | YouGov Online | Times | 42 | 36 | 11 | 2 | 4 | +6 | |
| 24 Sep 2018 | ICM Online | Guardian | 41 | 40 | 9 | 3 | 4 | +1 | |
| 22 Sep 2018 | BMG Online | HuffPost | 38 | 38 | 10 | 4 | 5 | Tie | |
| 20 Sep 2018 | Opinium Online | 37 | 39 | 9 | 2 | 8 | +2 | ||
| 19 Sep 2018 | YouGov Online | Times | 40 | 36 | 11 | 2 | 5 | +4 | |
| 18 Sep 2018 | Ipsos MORI Phone | Evening Standard | 39 | 37 | 13 | 5 | 2 | +2 | |
| 13 Sep 2018 | YouGov Online | Times | 40 | 36 | 11 | 3 | 4 | +4 | |
| 13 Sep 2018 | Opinium Online | 39 | 38 | 7 | 3 | 6 | +1 | ||
| 10 Sep 2018 | Kantar Public Online | 40 | 35 | 10 | 4 | 5 | +5 | ||
| 09 Sep 2018 | ICM Online | Guardian | 42 | 39 | 8 | 3 | 4 | +3 | |
| 07 Sep 2018 | Survation Online | Daily Mail | 38 | 37 | 10 | 1 | 4 | +1 | |
| 07 Sep 2018 | BMG Online | Independent | 37 | 38 | 11 | 4 | 7 | +1 | |
| 04 Sep 2018 | YouGov Online | Times | 39 | 35 | 11 | 4 | 5 | +4 | |
| 01 Sep 2018 | Survation Online | 37 | 41 | 6 | 2 | 7 | +4 | ||
| 29 Aug 2018 | YouGov Online | Times | 39 | 37 | 10 | 3 | 5 | +2 | |
| 21 Aug 2018 | YouGov Online | Times | 40 | 37 | 9 | 2 | 6 | +3 |