Constituency profile

Rhondda and Ogmore

Wales · County constituency

Chris Bryant MP
Sitting MP

Chris Bryant

Labour

First elected June 2001

Current PollCheck projection

Region & type
Wales
County constituency
Last 5 GE winners
LLLLL
Labour 5/5
EU referendum 2016
55.3% Leave
UK average 51.9%; +3.4pp above mean
Current outlook
Reform UK +10.0pp
Vulnerability score 9/10 (Labour projected to lose)
WelshLeave-leaningWorking-class profile

Who lives in Rhondda and Ogmore? Constituency demographics

From the 2021 Census and 2016 EU referendum estimates. Constituency-level data on 2024 boundaries.

Leave vote 2016
55.3%
UK average ~52%
Degree or above
21.9%
UK average ~34%
No qualifications
28.0%
UK average ~18%
Owner-occupied
66.8%
UK average ~63%
Renting (social + private)
32.9%
UK average ~36%
Median age
41.8
UK median ~40
Age 65+
24.0%
UK average ~19%
Age 18-34
29.7%
UK average ~28%

How did Rhondda and Ogmore vote in 2024 and how would it vote now?

2024 vote shares from the HoC Library. Current projection is at the 7-poll average.

2024 general election

Lab hold · majority 7,790 votes (21.7pp) · turnout 48.1%

Current projection

If a general election were held today, at current poll average

Map of Rhondda and Ogmore

Switch between ward-level 2024 election winners and a demographic view. Ward winners are Britain Elects' / New Statesman modelled estimates with an average ~4pp margin of error per ward. The demographic view splits the seat into small neighbourhoods (around 1,500 residents each, from the 2021 Census). Hover any area for detail.

Senedd 2026 layer

How Rhondda and Ogmore voted at the Senedd election (7 May 2026)

Rhondda and Ogmore sits almost entirely within the Senedd constituency of Afan Ogwr Rhondda. Senedd elections use a closed-list proportional system; each Senedd seat returns six members.

Senedd constituencyShare of Rhondda and OgmoreWinnerRunner-upSeats (6 per constituency)
Afan Ogwr Rhondda98%Plaid Cymru 36.9%Reform UK 33.6%3 Plaid Cymru, 2 Reform UK, 1 Labour
Pontypridd Cynon Merthyr2%Plaid Cymru 39.5%Reform UK 30.6%3 Plaid Cymru, 2 Reform UK, 1 Labour

Senedd 2026 results from official declarations. Overlap percentages are area-based using the post-2024 Westminster boundary against the new 16-seat Senedd boundary.

Council layer (not Westminster)

Rhondda and Ogmore within Rhondda Cynon Taf and Bridgend

Rhondda and Ogmore crosses multiple council boundaries: Rhondda Cynon Taf (84%), Bridgend (16%). The figures below come from the council elections held on Thursday 7 May 2026 in each constituent council.

Council overlap

CouncilShare of seat
Rhondda Cynon Taf
56 LSOAs
84%
Bridgend
11 LSOAs
16%

Most recent council ward results

Latest council winner per ward. Where May 2026 elections happened, those are shown; otherwise the most recent year on the ward’s pre-2026 boundary (via DCLEAPIL, 2014-2024). The "Shift since GE2024" column is only computed for May 2026 results - earlier council votes pre-date the GE, so no directional shift is shown.

Loading ward results...
Ward GE2024 winner Latest council winner Shift since GE2024 Turnout

Projection trajectory

PollCheck's projection for Rhondda and Ogmore at each of the last 60 GB polls. Hover the chart for the underlying poll details.

Who has won Rhondda and Ogmore at past general elections?

2024 result is on current boundaries. The 2019 row is the UK Parliament's notional recalculation onto the 2024 boundaries (directly comparable to 2024). The 2010, 2015 and 2017 rows are on the boundaries in force at the time and aren't directly comparable.

Year Result MP Lab Con LD Right (Ref/UKIP) Green Other Majority Turnout
2010predecessorLab holdChris Bryant Rhondda MP55.3%6.4%10.6%1.2% UKIP-8.4%11,55360.3%
2015predecessorLab holdChris Bryant Rhondda MP50.7%6.7%1.5%12.7% UKIP1.4%-7,45560.9%
2017predecessorLab holdChris Bryant Rhondda MP64.1%10.1%0.8%2.7% UKIP--13,74665.2%
2019notionalLabour winnerChris Bryant Rhondda MP, pre-review boundary56.3%15.4%2.3%-1.4%24.6%17,37757.8%
2024Lab holdChris Bryant47.8%5.7%2.6%26.1% Ref3.3%-7,79048.1%

Rhondda and Ogmore was created or substantially redrawn by the 2023 boundary review. Pre-2024 rows below are for the predecessor seat Rhondda (the seat that covered most of this area), so vote shares and majorities aren’t directly comparable to the post-2024 figures.

Constituencies most like Rhondda and Ogmore

Five seats with similar demographic profiles to Rhondda and Ogmore. Politics shown for context.

What would change this seat?

Move the sliders to set national vote shares. The per-seat projection updates live. Reset returns to the current 7-poll average.

Related

Sources

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