Constituency profile

Vale of Glamorgan

Wales · County constituency · Vale of Glamorgan borough

Kanishka Narayan MP
Sitting MP

Kanishka Narayan

Labour

First elected July 2024

Current PollCheck projection

Region & type
Wales
County constituency, Vale of Glamorgan council
Last 5 GE winners
CCCCL
Conservative 4/5, Labour 1/5
EU referendum 2016
52.5% Leave
UK average 51.9%; +0.6pp above mean
Current outlook
Reform UK +0.7pp
Vulnerability score 8/10 (Labour projected to lose)
WelshBrexit-marginal

Who lives in Vale of Glamorgan? Constituency demographics

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

Leave vote 2016
52.5%
UK average ~52%
Degree or above
34.3%
UK average ~34%
No qualifications
16.5%
UK average ~18%
Owner-occupied
70.5%
UK average ~63%
Renting (social + private)
29.2%
UK average ~36%
Median age
43.3
UK median ~40
Age 65+
25.6%
UK average ~19%
Age 18-34
27.0%
UK average ~28%

How did Vale of Glamorgan 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 gain from Con · majority 4,216 votes (9.2pp) · turnout 61.5%

Current projection

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

Map of Vale of Glamorgan

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 Vale of Glamorgan voted at the Senedd election (7 May 2026)

Vale of Glamorgan sits entirely within the Senedd constituency of Pen-y-bont Bro Morgannwg. Senedd elections use a closed-list proportional system; each Senedd seat returns six members.

Senedd constituencyShare of Vale of GlamorganWinnerRunner-upSeats (6 per constituency)
Pen-y-bont Bro Morgannwg99%Plaid Cymru 33.5%Reform UK 30.1%2 Plaid Cymru, 2 Reform UK, 1 Conservative, 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)

Vale of Glamorgan within Vale of Glamorgan

The Westminster constituency of Vale of Glamorgan sits entirely within Vale of Glamorgan Council. Local council elections are a separate ballot from Westminster general elections - the figures below are from the council elections held on Thursday 7 May 2026.

Council overlap

CouncilShare of seat
Vale of Glamorgan
58 LSOAs
100%

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 Vale of Glamorgan at each of the last 60 GB polls. Hover the chart for the underlying poll details.

Who has won Vale of Glamorgan 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
2010Con gain from LabAlun Cairns32.9%41.8%15.2%3.1% UKIP0.9%0.5%4,30769.3%
2015Con holdAlun Cairns32.6%46.0%2.6%10.7% UKIP2.1%0.5%6,88070.5%
2017Con holdAlun Cairns43.4%47.5%1.9%1.6% UKIP0.8%0.6%2,19072.6%
2019notionalConservative winnerAlun Cairns 2019 MP, pre-review boundary43.9%49.1%0.0%-6.0%1.0%2,56671.0%
2024Lab gain from ConKanishka Narayan38.7%29.5%3.5%15.2% Ref4.1%1.9%4,21661.5%

Earlier years are on pre-2024 boundaries; comparable results on the new boundary will be added when sourced.

Constituencies most like Vale of Glamorgan

Five seats with similar demographic profiles to Vale of Glamorgan. 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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