Plaid Cymru Target Seats

Below are lists of Plaid Cymru target seats showing which constituencies can be most easily won from an opposing party relative to the latest elections.

Contents

Plaid Cymru Target Seats 2024

Below is the list of Plaid Cymru target seats for the 2024 general election. The list is ordered from the smallest to the largest swing needed for the seat to change hands.

View Plaid Cymru held marginal seats vulnerable at the next general election.

(order by percentage majority)

RankConstituencyRegionMajoritySwing Needed
1.Ynys MonWales2,5413.48%
2.LlanelliWales9,07711.87%
3.CaerphillyWales11,59414.45%
4.NeathWales11,42515.75%
5.PontypriddWales12,39116.65%
6.RhonddaWales12,04620.32%
7.OgmoreWales14,68320.74%
8.Cynon ValleyWales12,97121.45%
9.Cardiff WestWales20,04421.70%
10.Blaenau GwentWales13,14021.74%
11.IslwynWales13,07022.14%
12.Merthyr Tydfil and RhymneyWales14,46722.43%
13.AberavonWales14,29722.62%
14.Swansea EastWales15,50023.08%
15.Swansea WestWales16,50923.42%
16.Clwyd WestWales16,49624.25%
17.Cardiff South and PenarthWales24,99624.71%
18.Carmarthen West and Pembrokeshire SouthWales18,55025.66%
19.TorfaenWales14,10527.88%
20.MonmouthWales24,97829.86%

View Plaid Cymru held marginal seats vulnerable at the next general election.

Plaid Cymru Target Seats for the 2026 Welsh Assembly Election

Below is the list of Plaid Cymru target seats for the 2026 Welsh Assembly election. The list is ordered from the smallest to the largest swing needed for the seat to change hands.

View Plaid Cymru held marginal seats vulnerable at the next Welsh Assembly election.

(order by percentage majority)

RankConstituencyRegionMajoritySwing Needed
1.AberconwyNorth Wales3,3367.08%
2.CaerphillySouth Wales East5,0788.78%
3.LlanelliMid and West Wales5,6759.39%
4.NeathSouth Wales West5,2219.47%
5.PontypriddSouth Wales Central5,3289.67%
6.WrexhamNorth Wales3,62010.04%
7.Clwyd WestNorth Wales6,23010.98%
8.Carmarthen West and Pembrokeshire SouthMid and West Wales4,62511.65%
9.RhonddaSouth Wales Central5,49711.72%
10.IslwynSouth Wales East6,03212.32%
11.AberavonSouth Wales West5,74512.96%
12.Clwyd SouthNorth Wales6,35414.22%
13.Swansea WestSouth Wales West7,21615.04%
14.MontgomeryshireMid and West Wales7,52815.06%
15.Preseli PembrokeshireMid and West Wales6,16015.10%
16.Blaenau GwentSouth Wales East6,63815.94%
17.Cardiff WestSouth Wales Central11,76816.11%
18.OgmoreSouth Wales West8,16516.67%
19.Cardiff CentralSouth Wales Central9,63016.88%
20.BridgendSouth Wales West9,29717.76%
21.Cardiff South and PenarthSouth Wales Central13,19618.13%
22.Cynon ValleySouth Wales Central7,46818.20%
23.TorfaenSouth Wales East9,00818.80%
24.GowerSouth Wales West11,68520.78%
25.Brecon and RadnorshireMid and West Wales10,66621.32%

View Plaid Cymru held marginal seats vulnerable at the next Welsh Assembly election.

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