Riding profile

Lagan Valley

UK constituency — Northern Ireland · Mixed · northern ireland

The question

Lagan Valley: who wins this toss-up?

Editorial read

Lagan Valley, a mixed constituency in Northern Ireland, elected a member with the UK_ALLIANCE Party in the previous cycle, with a 6-point margin. The Vote-Scope model projects the UK_ALLIANCE Party ahead at 4% vote share, against 1% for the Green Party, and the race could swing.

Sitting member

Sorcha Eastwood

Sits with Alliance

Since
2024-07-04
Parliament
59th

Current forecast

UK_ALLIANCE

Toss-up

Probability
99%
Mean margin (pts)
5.9
P(close race)
37%

Projected vote share

Projection by party

  • Other 4.3%
  • Green 0.9%

In context

How this riding stacks up

Other Green Conservative Labour
HereLagan Valley 4.3%0.9%0.2%0.2%
National averageUnited Kingdom 4.8% −0.4 11.8% −11.0 18.9% −18.7 21.7% −21.5

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

Previous election · UK 2024

Won by
UK_ALLIANCE
Margin
6.0 pts
Margin shift vs current projection
-0.1 pts

Detailed result · UK 2024

Candidates and votes

Candidate Party Votes % Occupation
Sorcha-Lucy Eastwood Elected Alliance 18,618 37.9
Jonathan Buckley DUP 15,659 31.9
Robbie Butler UUP 11,157 22.7
Lorna Smyth TUV 2,186 4.5
Simon Lee SDLP 1,028 2.1
Patricia Denvir Green 433 0.9

Demographics

Who lives here

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

Last model run
Cycle
uk_2029