UKDecides

WESTMINSTER POLL

BMG Research – 25-26 August 2026

Fieldwork25–26 August 2026
SampleNot supplied
Labour27%
Reform UK23%
Conservative18%
Green11%
Liberal Democrats10%
Restore Britain5%
SNP3%
Other2%
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 BMG Research Westminster voting-intention poll on 27%, followed by Reform UK on 23% and the Conservatives on 18%.

Change since the previous BMG Research poll

Compared with BMG Research's previous poll (28–29 July 2026):

PartyPreviousThis pollChange
Labour28%27%−1
Reform UK23%23%–
Conservative20%18%−2
Green10%11%+1
Liberal Democrats10%10%–
SNP3%3%–
Other5%2%−3
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 BMG Research polls

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

BMG Research’s published Westminster voting-intention figures for fieldwork conducted 25-26 August 2026.

Source: Original poll publication