Constituency profile

Ceredigion Preseli

Wales · County constituency

Ben Lake MP
Sitting MP

Ben Lake

Plaid Cymru

First elected June 2017

Current PollCheck projection

Region & type
Wales
County constituency
Last 5 GE winners
LDLDPCPCPC
Plaid Cymru 3/5, Liberal Democrats 2/5
EU referendum 2016
50.3% Leave
UK average 51.9%; -1.6pp below mean
Current outlook
Plaid Cymru +39.9pp
vs Reform UK 16.6%
WelshBrexit-marginal

Who lives in Ceredigion Preseli? Constituency demographics

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

Leave vote 2016
50.3%
UK average ~52%
Degree or above
35.1%
UK average ~34%
No qualifications
15.4%
UK average ~18%
Owner-occupied
69.9%
UK average ~63%
Renting (social + private)
29.7%
UK average ~36%
Median age
48.4
UK median ~40
Age 65+
30.7%
UK average ~19%
Age 18-34
27.5%
UK average ~28%

How did Ceredigion Preseli 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

PC hold · majority 14,789 votes (32.0pp) · turnout 61.2%

Current projection

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

Map of Ceredigion Preseli

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 Ceredigion Preseli voted at the Senedd election (7 May 2026)

Ceredigion Preseli sits entirely within the Senedd constituency of Ceredigion Penfro. Senedd elections use a closed-list proportional system; each Senedd seat returns six members.

Senedd constituencyShare of Ceredigion PreseliWinnerRunner-upSeats (6 per constituency)
Ceredigion Penfro100%Plaid Cymru 35.8%Reform UK 25.8%3 Plaid Cymru, 2 Reform UK, 1 Conservative

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)

Ceredigion Preseli within Ceredigion and Pembrokeshire

Ceredigion Preseli crosses multiple council boundaries: Ceredigion (76%), Pembrokeshire (24%). The figures below come from the council elections held on Thursday 7 May 2026 in each constituent council.

Council overlap

CouncilShare of seat
Ceredigion
45 LSOAs
76%
Pembrokeshire
14 LSOAs
24%

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 Ceredigion Preseli at each of the last 60 GB polls. Hover the chart for the underlying poll details.

Who has won Ceredigion Preseli 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
2010predecessorLD holdMark Williams Ceredigion MP5.8%11.6%50.0%2.6% UKIP1.8%-8,32463.9%
2015predecessorLD holdMark Williams Ceredigion MP9.7%11.0%35.9%10.2% UKIP5.6%-3,06769.0%
2017predecessorPC gain from LDBen Lake Ceredigion MP20.2%18.4%29.0%1.5% UKIP1.4%0.4%10473.3%
2019notionalPlaid Cymru winnerBen Lake Ceredigion MP, pre-review boundary20.8%28.3%14.6%-1.3%35.0%1,44369.8%
2024PC holdBen Lake11.6%10.3%15.0%11.6% Ref4.0%0.5%14,78961.2%

Ceredigion Preseli was created or substantially redrawn by the 2023 boundary review. Pre-2024 rows below are for the predecessor seat Ceredigion (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 Ceredigion Preseli

Five seats with similar demographic profiles to Ceredigion Preseli. 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

If you spot a data issue, please let us know.