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    Caerphilly, Senedd Cymru elections (Constituencies)

    At the most recent election (23 October 2025), Lisa Whittle (Plaid Cymru - The Party of Wales) won Caerphilly, with a majority of 3,848 votes.

    At the Local by-elections 16 Oct 2016 (16 October 2016), 1 seats on Caerphilly were filled: The Labour Party 1. The Labour Party won a majority of the seats contested.

    Area type
    constituency
    Within
    Senedd Cymru elections (Constituencies)
    Elections recorded
    3
    Wards / divisions
    15
    Caerphilly: seats won by party at each election
    ElectionDateSeats won by party
    Local by-elections 16 Oct 201616 October 2016The Labour Party 1
    Local by-elections 07 Apr 20167 April 2016The Labour Party 1
    Local by-elections 23 Jul 201523 July 2015The Labour Party 1
    Local by-elections 01 Aug 20131 August 2013Plaid Cymru - The Party of Wales 1
    Local by-elections 25 Oct 201225 October 2012The Labour Party 1
    Local by-elections 02 Mar 20062 March 2006Plaid Cymru - The Party of Wales 1
    Local by-elections 07 Jan 20017 January 2001The Labour Party 1
    Caerphilly: Regional Election 23 Oct 2025
    CandidatePartyVotesShareElected
    Lisa WhittlePlaid Cymru - The Party of Wales15,96147.4%Yes
    Lllŷr Tomos PowellReform UK12,11336%No
    Richard TunnicliffeThe Labour Party3,71311%No
    Gareth John PotterConservative Party6902%No
    Gareth HughesGreen Party5161.5%No
    Steve AichelerLiberal Democrats4971.5%No
    Anthony CookGWLAD1170.3%No
    Roger Anthony QuilliamUK Independence Party (UKIP)790.2%No
    Caerphilly: Senedd Election 2021
    CandidatePartyVotesShareElected
    Hefin Wyn DavidThe Labour Party13,28946%Yes
    Delyth Non JewellPlaid Cymru - The Party of Wales8,21128.4%No
    Steven MayfieldConservative Party5,01317.3%No
    Stephen John JonesAbolish The Welsh Assembly Party1,1193.9%No
    Steve AichelerLiberal Democrats7872.7%No
    Tim PriceReform UK4951.7%No
    Caerphilly: Welsh Assembly Election 2016
    CandidatePartyVotesShareElected
    Hefin Wyn DavidThe Labour Party9,58435.3%Yes
    Lisa WhittleIndependent8,00929.5%No
    Sam GouldUK Independence Party (UKIP)5,95422%No
    Jane PrattConservative Party2,4128.9%No
    Andrew CreakGreen Party7702.8%No
    Aladdin AyeshLiberal Democrats3861.4%No

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