Riding profile

Mid and South Pembrokeshire

UK constituency — Wales · Mixed · wales

The question

Mid and South Pembrokeshire: who wins this toss-up?

Current forecast

Reform UK

Toss-up

Probability
77%
Mean margin (pts)
0.7
P(close race)
100%

Projected vote share

Projection by party

  • Reform UK 25.6%
  • Conservative 25.1%
  • Labour 16.6%
  • Plaid Cymru 14.7%
  • Green 9.9%
  • Lib Dems 5.4%
  • Other 2.5%

Watch list

The tightest races

Smallest projected margin. Open one for the numbers.

  1. Birmingham ErdingtonReform UK60 %0.5 pt margin
  2. Derby NorthLabour62 %0.5 pt margin
  3. Middlesbrough and Thornaby EastReform UK62 %0.5 pt margin

In context

How this riding stacks up

Reform UK Conservative Labour Plaid Cymru
HereMid and South Pembrokeshire 25.6%25.1%16.6%14.7%
National averageUnited Kingdom 25.4% +0.2 19.3% +5.8 21.8% −5.2 1.2% +13.5

Nationwide averages computed across the 650 riding-level projections (unweighted mean).

Editorial read

Mid and South Pembrokeshire, a mixed constituency in Wales, elected a member with Labour in the previous cycle, with a 4-point margin. The Vote-Scope model projects Reform UK ahead at 26% vote share, against 25% for the Conservatives, and the race could swing.

Sitting member

Henry Tufnell

Sits with Labour

Since
2024-07-04
Parliament
59th

Previous election · 2024

Won by
Labour
Margin
4.0 pts
Margin shift vs current projection
-3.3 pts

Detailed result · UK 2024

Candidates and votes

Candidate Party Votes % Occupation
Henry Tufnell Elected Labour 16,505 35.4
Stephen Crabb Conservative 14,627 31.4
Stuart Marchant Reform UK 7,828 16.8
Cris Tomos Plaid Cymru 2,962 6.3
Alistair Cameron Lib Dems 2,372 5.1
James Purchase Green 1,654 3.5
Vusi Siphika Other 427 0.9
Hanna Andersen Other 254 0.5

Demographics

Who lives here

Population
101,878
Median age
48
Employment rate
74.7%

Data source : ONS mid-2022 population + Jan 2026 labour market

Last model run
Cycle
uk_2029