Data visualization of May 7 2026 UK election results showing Labour lost 1,496 councillors, Reform UK gained 1,453, Green Party gained 411 and won 5 councils, and Conservatives lost 563. Three columns show losses on left, breakthroughs center, and implications right.
Local Government, Parliaments, Party Watch, Westminster

May 7 2026 Elections: Reform UK’s 1,453-Councillor Breakthrough Explained

On 7 May 2026, Britain’s political map was redrawn. Labour lost 1,496 councillors. Reform UK gained 1,453. The Greens broke through with historic results. This is the full story of what happened, why it happened, and what it means for the next general election.