Analysis

Lambeth: Labour holds Vauxhall ward in by-election despite swing to Lib Dems

Lewis Baston: By-election double for Labour in Haringey

How much electoral mileage is there in opposing the ULEZ?

Lewis Baston: Labour’s Barking & Dagenham by-election hold has lessons for them and Tories

Paul Wheeler: Sadiq Khan and London Labour have underestimated voters’ anger with their roads policies

Havering: Council balance of power unchanged after Residents’ Association by-election win

Uxbridge: Tory ‘ULEZ referendum’ ploy pays off as Labour falls short in by-election

Newham: Two by-elections, one dent in Labour’s dominance