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 for the center.

The south Wales town of Caerphilly, known for its 13th-century castle, has become a significant location for politics. A century of Labour Party rule was recently smashed in a by-election for the Senedd, the Welsh parliament.

Labour's vote was significantly reduced, with only 11 percent, as two rival parties gained ground: Welsh nationalists Plaid Cymru on the left with 47.4 percent and Nigel Farage's populist Reform UK on the right with 36 percent.

This outcome is alarming strategists ahead of the full elections to the Senedd in 2026 and the Westminster general election by 2029. Although by-elections should be viewed with skepticism, this result may indicate a shift in voter sentiment.

By-elections must be read with skepticism because they give voters a "free hit" on the ruling party.

Author's summary: Labour's poor by-election result sparks concerns for Europe's centrists.

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Politico Europe Politico Europe — 2025-10-30