Labour remains comfortably the leading party across London, securing a double-digit lead in the latest Westminster voting intention poll conducted by Savanta for the Mile End Institute at Queen Mary University of London.
The survey of 1,036 London adults shows Labour on 32% — 14 points ahead of both Reform UK (18%) and the Conservatives (18%). Compared with the 2024 general election result in London, Labour is down 11 points, while Reform is up 9 and the Greens up 6.
London Westminster voting intention
| Party | Share | vs 2024 GE |
|---|---|---|
| Labour | 32% | −11 |
| Reform UK | 18% | +9 |
| Conservatives | 18% | −3 |
| Green Party | 16% | +6 |
| Liberal Democrats | 10% | −1 |
| Others | 6% | −1 |
Fieldwork ran from 10 to 17 August 2026. Savanta interviewed 1,036 Londoners aged 18 and over online. Data are weighted. Change figures are against the 2024 general election result in London.
A strong foundation in the capital
Despite mid-term polling fluctuations typical of a governing party, Labour remains first in the capital with a wide lead over a fragmented opposition split between Reform, the Conservatives, the Greens, the Liberal Democrats and others.
Academic analysis accompanying the survey highlights that while opposition parties are competing fiercely for minority vote shares, Labour’s broad-based appeal across inner and outer London still provides a durable electoral foundation ahead of future campaigns.
Mobilising the grassroots
Party campaigners view the results as an opportunity to rally local members, reinforce core policy messages, and focus on delivering key regional priorities — including affordable housing, public transport investment, and neighbourhood safety — to ensure Labour continues to earn the trust of Londoners across every borough.
