WESTMINSTER POLL
Deltapoll — 15–18 May 2026
Fieldwork15–18 May 2026
SampleNot supplied
| Conservative | 17% |
|---|---|
| Labour | 20% |
| Liberal Democrat | 11% |
| Reform UK | 28% |
| Green | 13% |
| SNP | 5% |
| Plaid Cymru | 1% |
| Restore Britain | 0% |
| Other | 6% |
Source: Original poll publication