Five takeaways from Plaid Cymru’s historic Caerphilly by-election win

Five Takeaways from Plaid Cymru's Historic Caerphilly By-Election Win

Plaid Cymru's leader, Rhun ap Iorwerth, described the party's triumph in the Caerphilly Senedd by-election as a "reset for Welsh politics".

The party secured 47% of the vote in a record turnout of 50%, with Reform UK coming second with 36% and Labour a distant third with 11%.

The result was terrible for the "two big beasts of Westminster politics" - Labour was "humbled, pummelled, crushed", while the Tories got just 2%.

Author's summary: Plaid Cymru wins historic by-election in Caerphilly.

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The Week The Week — 2025-10-24

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