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Plaid Cymru's Whittle Shocks Labour in Caerphilly By-Election

10/24/2025

32 6 Full Breakdown

Summary

Whittle Defeats Labour

Lindsay Whittle, of Plaid Cymru, won the Caerphilly by-election, Labour's first loss there in over a century.
Whittle won with 15,961 votes, ahead of Reform UK's Llyr Powell, who received 12,113.
Labour's Richard Tunnicliffe finished third with 3,713 votes.
Turnout was 50.43%, higher than in previous elections.
Labour leaders acknowledge the need for change as the party declines in traditional strongholds.

Summary

Plaid Cymru Challenges Labour

The Caerphilly by-election could end Labour's more-than-a-century hold on the constituency.
The by-election was prompted by the sudden death of Labour's Hefin David.
Recent polling shows Plaid Cymru and Reform UK emerging as strong challengers.
Eight candidates from various parties are contesting the seat.
The by-election results could influence the May Senedd election.

History

Historical Context

The 1918 Representation of the People Act expanded voting rights in the UK, paving the way for Labour's long-standing dominance in constituencies like Caerphilly. However, in the 2025 by-election, Plaid Cymru's Lindsay Whittle won with 47% of the vote, ending over a century of Labour control. This shift may indicate significant electoral challenges for Labour ahead of the May 2026 Senedd election.

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Whittle Defeats Labour

Lindsay Whittle, of Plaid Cymru, won the Caerphilly by-election, Labour's first loss there in over a century.
Whittle won with 15,961 votes, ahead of Reform UK's Llyr Powell, who received 12,113.
Labour's Richard Tunnicliffe finished third with 3,713 votes.
Turnout was 50.43%, higher than in previous elections.
Labour leaders acknowledge the need for change as the party declines in traditional strongholds.

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