Riding profile

Dwyfor Meirionnydd

UK constituency — Wales · Mixed · wales

The question

Dwyfor Meirionnydd: a safe seat for Plaid Cymru?

Editorial read

Dwyfor Meirionnydd, a mixed constituency in Wales, elected a member with Plaid Cymru in the previous cycle, with a 39-point margin. The Vote-Scope model projects Plaid Cymru ahead at 47% vote share, against 20% for Reform UK, and the probability of a close race is negligible.

Sitting member

Liz Saville Roberts

Sits with Plaid Cymru

Since
2015-05-07
Parliament
59th

Current forecast

Plaid Cymru

Safe

Probability
100%
Mean margin (pts)
26.7
P(close race)
0%

Projected vote share

Projection by party

  • Plaid Cymru 46.6%
  • Reform UK 19.9%
  • Green 11.0%
  • Conservative 6.9%
  • Lib Dems 5.9%
  • Labour 5.4%
  • Other 4.0%

In context

How this riding stacks up

Plaid Cymru Reform UK Green Conservative
HereDwyfor Meirionnydd 46.6%19.9%11.0%6.9%
National averageUnited Kingdom 1.0% +45.6 25.3% −5.4 11.8% −0.8 18.9% −12.0

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

Previous election · UK 2024

Won by
Plaid Cymru
Margin
39.3 pts
Margin shift vs current projection
-12.6 pts

Detailed result · UK 2024

Candidates and votes

Candidate Party Votes % Occupation
Liz Saville Roberts Elected Plaid Cymru 21,788 53.9
Joanna Stallard Labour 5,912 14.6
Lucy Murphy Reform UK 4,857 12.0
Tomos Day Conservative 4,712 11.7
Karl Drinkwater Green 1,448 3.6
Phoebe Jenkins Lib Dems 1,381 3.4
Joan Ginsberg Other 297 0.7

Demographics

Who lives here

Population
94,395
Median age
48
Employment rate
76.2%

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

Last model run
Cycle
uk_2029