Westminster Voting Intention: Deltapoll
| End Date | Company | Client | CON | LAB | LD | GRN | UKIP | Lead |
| 26 Oct 2018 | Deltapoll Online | Mirror | 43 | 40 | 6 | 2 | 5 | +3 |
| 16 Aug 2018 | Deltapoll Online | Sun on Sunday | 37 | 40 | 8 | 5 | 6 | +3 |
| 14 Jul 2018 | Deltapoll Online | Sun on Sunday | 37 | 42 | 7 | 3 | 6 | +5 |