WESTMINSTER POLL
Trajectory – 7-16 September 2026
Fieldwork7–16 September 2026
Sample1,460
| Labour | 30% |
|---|---|
| Reform UK | 22% |
| Conservative | 21% |
| Liberal Democrats | 10% |
| Green | 9% |
| Restore Britain | 3% |
| Other | 2% |
| SNP | 2% |
| Plaid Cymru | 0% |
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 Trajectory Westminster voting-intention poll on 30%, followed by Reform UK on 22% and the Conservatives on 21%.
Change since the previous Trajectory poll
Compared with Trajectory's previous poll (4–12 August 2026):
| Party | Previous | This poll | Change |
|---|---|---|---|
| Labour | 28% | 30% | +2 |
| Reform UK | 22% | 22% | – |
| Conservative | 20% | 21% | +1 |
| Liberal Democrats | 11% | 10% | −1 |
| Green | 9% | 9% | – |
| Restore Britain | 0% | 3% | +3 |
| Other | 6% | 2% | −4 |
| SNP | 3% | 2% | −1 |
| Plaid Cymru | 1% | 0% | −1 |
Changes are in percentage points. Small movements between polls may reflect sampling variation rather than a sustained change in support.
Other recent Trajectory polls
For a wider comparison across pollsters, see the UK Decides Poll of Polls.
Source: Original poll publication