02/05/2026
London’s political weather is changing.
Our latest Labour Forecast looks at the boroughs where Labour is most exposed ahead of the 2026 London local elections.
The latest YouGov modelling points to a fragmented contest. Labour remains ahead across London overall, but is down sharply from 2022 and now faces pressure from several directions at once.
In some boroughs, the challenge is Green. In others, it is Liberal Democrat, Conservative, Reform or independent-led. In many places, the real risk is fragmentation at ward level.
This is all important for the built environment sector.
Changes in control, smaller majorities or more volatile council chambers could affect the politics of estate regeneration, affordable housing, planning, active travel, air quality, resident engagement and social value.
The report looks at key Labour-held boroughs including Hackney, Lambeth, Lewisham, Newham, Waltham Forest, Merton, Barnet, Wandsworth, Westminster, Barking and Dagenham, and others.
Election Watch: London’s Electoral Map RedrawnFrom April to June, Comm Comm will be publishing Election Watch reports, monitoring the May 7 London elections as they unfold. No one can say with confidence what the result will be. The old certainties are breaking down, long-established voting patter...