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Polls open in Caerphilly Senedd by-election

News | Rhys Williams | Published: 07:00, Thursday October 23rd, 2025.
Last updated: 07:00, Thursday October 23rd, 2025

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St Helen’s Church in Caerphilly, near Morgan Jones Park

Polls have now opened in the Caerphilly Senedd by-election.

Voters will be electing a new Senedd Member to represent the Caerphilly constituency in the Welsh Parliament.

The by-election follows the sudden passing of incumbent Labour MS Hefin David, who died in August, aged just 47.

Polls opened at 7am on Thursday October 23, and will remain open until 10pm.

Caerphilly Senedd by-election: A quick look at the candidates
Explained: Which communities can vote this week and why
Yellow weather warning for rain issued by Met Office on day of Senedd by-election

Caerphilly’s by-election candidates for October 23

  • Welsh Liberal Democrats – Steve Aicheler
  • Gwlad – Anthony Cook
  • Wales Green Party – Gareth Hughes
  • Welsh Conservatives – Gareth Potter
  • Reform UK – Llŷr Powell
  • UKIP – Roger Quilliam
  • Richard Tunnicliffe – Labour
  • Lindsay Whittle – Plaid Cymru
Behind the numbers: What the Caerphilly by-election poll reveals

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