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Wales, 1929 vs 1931: seat-by-seat change

Every constituency in Wales compared between the 1929 and 1931 general elections: which seats changed hands and how far each swung.

Constituency19291931MajorityCon–Lab swing
AngleseyLibLib16.6%−23.9
Breconshire and RadnorshireLabCon gain19.6%−10.0
Caernarvon District of BoroughsLibLib18.7%−15.1
CaernarvonshireLibLib1.8%+5.4
Cardiff CentralLabNat Lab gain38.3%+13.3
Cardiff EastLabCon gain6.7%−8.3
Cardiff SouthLabCon gain19.6%−15.8
CardiganshireLibLib52.0%+31.8
Carmarthenshire CarmarthenLabLib gain3.1%−0.3
Carmarthenshire LlanelliLabLab30.6%−8.5
Denbighshire DenbighLibNat Lib gain—+19.1
Denbighshire WrexhamLabLib gain4.2%+11.8
FlintshireLibNat Lab gain42.9%+20.8
Glamorganshire AberavonLabLab16.9%+6.7
Glamorganshire CaerphillyLabLab35.2%−2.7
Glamorganshire GowerLabLab6.8%+8.3
Glamorganshire Llandaff and BarryLabCon gain21.4%−13.2
Glamorganshire NeathLabLab27.9%+6.9
Glamorganshire OgmoreLabLab30.2%−8.1
Glamorganshire PontypriddLabLab21.0%+7.7
MerionethshireLibLib8.1%−3.6
Merthyr Tydfil AberdareLabLab—−26.2
Merthyr Tydfil MerthyrLabILP gain38.9%−21.0
Monmouthshire AbertilleryLabLab—−27.9
Monmouthshire BedwelltyLabLab—−29.0
Monmouthshire Ebbw ValeLabLab—−23.7
Monmouthshire MonmouthConCon41.7%−8.7
Monmouthshire PontypoolLabLab12.7%+8.5
MontgomeryshireLibNat Lib gain—+12.0
NewportLabCon gain18.3%−12.1
PembrokeshireLibLib11.4%−20.0
Rhondda EastLabLab36.1%+12.8
Rhondda WestLabLab68.6%+14.1
Swansea EastLabLab13.0%+5.1
Swansea WestLabNat Lib gain17.1%+10.8

← Whole UK

Official results House of Commons Library and UK Parliament election results data. Contains Parliamentary information licensed under the Open Parliament Licence v3.0. How we use this data