UKDecides

WESTMINSTER POLL

More in Common – 11-15 September 2026

Fieldwork11–15 September 2026
Sample2,038
Labour25%
Reform UK23%
Conservative22%
Liberal Democrats10%
Green9%
Restore Britain6%
Other2%
SNP2%
Plaid Cymru1%

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 More in Common Westminster voting-intention poll on 25%, followed by Reform UK on 23% and the Conservatives on 22%.

Change since the previous More in Common poll

Compared with More in Common's previous poll (4–6 September 2026):

PartyPreviousThis pollChange
Labour24%25%+1
Reform UK23%23%–
Conservative22%22%–
Liberal Democrats12%10%−2
Green9%9%–
Restore Britain6%6%–
Other1%2%+1
SNP2%2%–
Plaid Cymru1%1%–

Changes are in percentage points. Small movements between polls may reflect sampling variation rather than a sustained change in support.

Other recent More in Common polls

For a wider comparison across pollsters, see the UK Decides Poll of Polls.

More in Common’s published Westminster voting-intention figures for fieldwork conducted 11-15 September 2026.

More in Common conducts its regular voting-intention polling online with representative samples of GB adults and publishes full tables under British Polling Council rules.

Source: Original poll publication