Rhondda and Ogmore (UK Parliament constituency)

Rhondda and Ogmore (Welsh: Rhondda ac Ogwr) is a constituency of the House of Commons in the UK Parliament, 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 MP for the predecessor seat of Rhondda from 2001 to 2024.

Rhondda and Ogmore
constituency for the House of Commons
Show location of constituency Show location within Wales Interactive map of the constituency.
Location of the constituency within Wales
Electorate	73,557 (March 2020)[1]
Major settlements	Tonypandy, Treorchy, Porth, Treherbert, Maerdy
Current constituency
Member of Parliament	Chris Bryant (Labour)
Seats	One

Boundaries

Under the 2023 review, the constituency was defined as being composed of the following as they existed on 1 December 2020:^[2]

• 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,^[3][4] the constituency now comprises the following from the 2024 general election:^[5]

• 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.^[6]

Election results

Elections in the 2020s

General election 2024: Rhondda and Ogmore^[7]

Party		Candidate	Votes	%	±%
	Labour	Chris Bryant	17,118	47.8	−8.5
	Reform UK	Darren James	9,328	26.1	+14.6
	Plaid Cymru	Owen Cutler	5,198	14.5	+2.1
	Conservative	Adam Robinson	2,050	5.7	−9.7
	Green	Christine Glossop	1,177	3.3	+1.9
	Liberal Democrats	Gerald Francis	935	2.6	+0.3
Majority			7,790	21.8
Turnout			35,806	48.1
Registered electors			74,493
	Labour hold		Swing

Elections in the 2010s

2019 notional result [a] [8]
Party		Vote	%
	Labour	23,949	56.3
	Conservative	6,572	15.4
	Plaid Cymru	5,290	12.4
	Brexit Party	4,902	11.5
	Liberal Democrats	969	2.3
	Green Party	590	1.4
	Independent	277	0.7
Majority		17,377	40.8
Turnout		42,549	57.8
Electorate		73,557

Notes

1. Estimate of the 2019 general election result as if the revised boundaries recommended under the 2023 boundary review were in place