Speaking ahead of his first Senedd session since his seismic victory in late October, Mr Whittle said he would pledge to ‘fight for every community in the constituency’.
Plaid Cymru gained Caerphilly from Labour in a major by-election victory on 24 October 2025 with 47% of the vote – defeating Reform UK candidate Llyr Powell (36%) and Labour’s Richard Tunnicliffe (11%) respectively.
The victory marked a historic win for Plaid Cymru and a seismic political shift in Wales, signalling the collapse of Labour’s vote and a new two-horse race between Plaid Cymru and Reform UK ahead of the 2026 Senedd election.
Newly elected Plaid Cymru Senedd Member for Caerphilly, Lindsay Whittle MS said,
“It’s the greatest honour of my life to be elected as Caerphilly’s voice in our national parliament. I’ll give everything I’ve got to make sure the people of Caerphilly are heard loud and clear in Cardiff, and I’ll fight for every single community that means so much to me.
“Over the next six months, I’ll be focused on what really matters to people –our NHS, the cost of living, improving transport connections, and bringing proper investment back to the Valleys.
“I’m here because people wanted a strong local voice. They wanted real change. They said no to division and no to the empty promises of Reform UK, and yes to hope and real, positive change with Plaid Cymru.
“This result sends a clear message that Starmer’s Labour and Westminster politics can’t take Wales for granted anymore. The old order is breaking down, and Caerphilly has shown that change is on the way.
“Labour’s old Wales is fading, and a new, confident Wales is taking its place – one led by Plaid Cymru.”
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