WESTMINSTER POLL
Deltapoll – 14-17 August 2026
Fieldwork14–17 August 2026
Sample2,017
| Labour | 29% |
|---|---|
| Reform UK | 27% |
| Conservative | 21% |
| Green | 8% |
| Liberal Democrats | 8% |
| Other | 3% |
| SNP | 2% |
| Plaid Cymru | 1% |
Party figures are shown where available in our records, including SNP and Plaid Cymru. A missing entry does not mean zero. Other follows the pollster's published grouping.
Labour led this Deltapoll Westminster voting-intention poll on 29%, followed by Reform UK on 27% and the Conservatives on 21%.
Change since the previous Deltapoll poll
Compared with Deltapoll's previous poll (24–27 July 2026):
| Party | Previous | This poll | Change |
|---|---|---|---|
| Labour | 27% | 29% | +2 |
| Reform UK | 27% | 27% | – |
| Conservative | 19% | 21% | +2 |
| Green | 10% | 8% | −2 |
| Liberal Democrats | 8% | 8% | – |
| Other | 5% | 3% | −2 |
| SNP | 3% | 2% | −1 |
| Plaid Cymru | 1% | 1% | – |
Changes are in percentage points. Small movements between polls may reflect sampling variation rather than a sustained change in support.
Other recent Deltapoll polls
For a wider comparison across pollsters, see the UK Decides Poll of Polls.
Source: Original poll publication