Riding profile

Llanelli

UK constituency — Wales · Mixed · wales

The question

Llanelli: who wins this toss-up?

Current forecast

Reform UK

Toss-up

Probability
97%
Mean margin (pts)
1.9
P(close race)
100%

Projected vote share

Projection by party

  • Reform UK 31.5%
  • Plaid Cymru 29.6%
  • Labour 18.8%
  • Conservative 7.6%
  • Green 6.6%
  • Lib Dems 3.3%
  • Other 2.4%

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 Plaid Cymru Labour Conservative
HereLlanelli 31.5%29.6%18.8%7.6%
National averageUnited Kingdom 25.4% +6.1 1.2% +28.4 21.8% −3.0 19.3% −11.7

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

Editorial read

Llanelli, 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 31% vote share, against 30% for Plaid Cymru, and the race could swing.

Sitting member

Dame Nia Griffith

Sits with Labour

Since
2005-05-05
Parliament
59th

Previous election · 2024

Won by
Labour
Margin
3.7 pts
Margin shift vs current projection
-1.7 pts

Detailed result · UK 2024

Candidates and votes

Candidate Party Votes % Occupation
Nia Griffith Elected Labour 12,751 31.3
Gareth Beer Reform UK 11,247 27.6
Rhodri Davies Plaid Cymru 9,511 23.3
Charlie Evans Conservative 4,275 10.5
Chris Passmore Lib Dems 1,254 3.1
Karen Laurence Green 1,106 2.7
Stan Robinson Other 600 1.5

Demographics

Who lives here

Population
94,816
Median age
44
Employment rate
70.8%

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

Last model run
Cycle
uk_2029