Cynon Valley (Senedd constituency)
constituency of the Senedd
Cynon Valley (Welsh: Cwm Cynon) was a constituency of the Senedd. It elected one Member of the Senedd by the first past the post method of election. It was also one of eight constituencies in the South Wales Central electoral region, which elected four additional members, in addition to eight constituency members, to produce a degree of proportional representation for the region as a whole.
Boundaries
The constituency was created for the first election to the Assembly, in 1999, with the name and boundaries of the Cynon Valley Westminster constituency. It was entirely within the preserved county of Mid Glamorgan.
The other seven constituencies of the region were Cardiff Central, Cardiff North, Cardiff South and Penarth, Cardiff West, Pontypridd, Rhondda and Vale of Glamorgan.
Voting
In general elections for the Senedd, each voter had two votes. The first vote was used to vote for a candidate to become the Member of the Senedd for the voter's constituency, elected by the first past the post system. The second vote was used to vote for a regional closed party list of candidates. Additional member seats were allocated from the lists by the d'Hondt method, with constituency results being taken into account in the allocation.
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Vocabulary and entity names are the principal evidence signals here, because they determine the precision of every later search. The source revision retrieved here is dated Apr 10, 2026. The linked authority identifier is Q5199989. Authority coordinates are 51.657, -3.461. 2 of 2 selected statements include explicit references; 0 carry qualifiers and 0 use preferred rank. The first chronological checks are 1999.
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This entry incorporates text from “Cynon Valley (Senedd constituency)” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.