Cynon Valley (UK Parliament constituency)

Cynon Valley
Former county constituency
for the House of Commons
Outline map
Boundary of Cynon Valley in Wales
Preserved countyMid Glamorgan
Electorate52,372 (December 2010)[1]
Major settlementsAberdare, Mountain Ash, Hirwaun
19832024
SeatsOne
Created fromAberdare and parts of Brecon and Radnor and Neath[2]
SeneddCynon Valley, South Wales Central

Cynon Valley (Welsh: Cwm Cynon) was a constituency[n 1] in Wales, of the House of Commons of the UK Parliament from 1983 to 2024. Its last MP from 2019 to 2024 was Beth Winter of the Labour Party.[n 2]

The Cynon Valley Senedd constituency was created with the same boundaries in 1999 (as an Assembly constituency).

The constituency was abolished as part of the 2023 Periodic Review of Westminster constituencies and under the June 2023 final recommendations of the Boundary Commission for Wales. Its wards were split between Merthyr Tydfil and Aberdare, and Pontypridd.[3]

  1. ^ "Beyond 20/20 WDS - Table view". 2011 Electorate Figures. StatsWales. 1 December 2010. Retrieved 13 March 2011.
  2. ^ "'Cynon Valley', June 1983 up to May 1997". ElectionWeb Project. Cognitive Computing Limited. Archived from the original on 11 March 2016. Retrieved 10 March 2016.
  3. ^ 2023 Review of Parliamentary Constituencies - The 2023 Review of Parliamentary Constituencies in Wales (PDF). Boundary Commission for Wales. 28 June 2023.


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