5 reasons Starmer’s new election disaster should spook Europe’s centrists

5 Reasons Starmer's New Election Disaster Should Spook Europe's Centrists

Britain's ruling Labour Party has suffered a dismal by-election in its Welsh heartland, sparking concerns about the future of centrist politics.

The south Wales town of Caerphilly, known for its 13th-century castle, has become a symbol of the challenges faced by establishment parties. A century of Labour Party rule was recently broken in a by-election for the Senedd, the Welsh parliament.

This outcome is alarming strategists ahead of the 2026 Senedd elections and the 2029 Westminster general election. Although by-elections should be viewed with skepticism, as they allow voters to express dissatisfaction with the ruling party without consequences, the results still pose a significant threat to centrist politics.

By-elections give voters a "free hit" on the ruling party.

Author's summary: Labour's defeat in Wales sparks concerns for Europe's centrists.

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Politico Europe Politico Europe — 2025-10-30