Rhondda and Ogmore

Rhondda and Ogmore is a constituency in Wales represented in the House of Commons of the UK Parliament. It was first contested at the 2024 general election, following the 2023 review of Westminster constituencies. It is currently represented by Sir Chris Bryant of the Labour Party, who was the Member of Parliament for the predecessor seat of Rhondda from 2001 to 2024.

Constituency profile

The seat covers the Rhondda Valley including Porth and Tonypandy. Electoral Calculus characterises the seat as "Traditional", reflecting a working-class population who have largely supported Labour. Incomes and house prices are well below UK averages.

Boundaries

Under the 2023 review, the constituency was defined as being composed of the following as they existed on 1 December 2020:

The County Borough of Bridgend wards of: Bettws; Blackmill; Blaengarw; Llangeinor; Nant-y-moel; Ogmore Vale; Pontycymmer.
The County Borough of Rhondda Cynon Taf wards of: Cwm Clydach; Cymmer; Ferndale; Gilfach Goch; Llwyn-y-pia; Maerdy; Pentre; Pen-y-graig; Porth; Tonypandy; Tonyrefail East; Tonyrefail West; Trealaw; Treherbert; Treorchy; Tylorstown; Ynyshir; Ystrad.

Following local government boundary reviews which came into effect in May 2022, the constituency now comprises the following from the 2024 general election:

The County Borough of Bridgend wards of: Blackmill; Garw Valley; Nant-y-moel; Ogmore Vale.
The County Borough of Rhondda Cynon Taf wards of: Cwm Clydach; Cymmer; Ferndale and Maerdy; Gilfach-goch; Llwyn-y-pia; Pentre; Pen-y-graig; Porth; Tonypandy; Tonyrefail East; Tonyrefail West; Trealaw; Treherbert; Treorchy; Tylorstown and Ynyshir; Ystrad.

The parts in Rhondda Cynon Taf comprise the whole of the former constituency of Rhondda plus the community of Tonyrefail, transferred from Pontypridd. The parts in the Bridgend County Borough were previously part of the abolished constituency of Ogmore.