Constituency
Lagan Valley
At a glance
The MP for Lagan Valley is Sorcha Eastwood (Alliance), who has held the seat since 2024. At the 2024 general election the seat was a APNI gain from DUP: she took 37.9% of the vote for a majority of 2,959, on a 59.7% turnout. Compared with the 2019 general election, the Alliance share of the vote was up 9.1 points, and turnout fell from 60.0%.
2024 general election result
Majority 2,959 · Turnout 59.7% · Electorate 82,201
| Candidate | Party | Votes | Share |
|---|---|---|---|
| Sorcha-Lucy Eastwood | Alliance | 18,618 | 37.9% |
| Jonathan Buckley | Democratic Unionist Party | 15,659 | 31.9% |
| Robbie Butler | Ulster Unionist Party | 11,157 | 22.7% |
| Lorna Smyth | Traditional Unionist Voice | 2,186 | 4.5% |
| Simon Lee | Social Democratic & Labour Party | 1,028 | 2.1% |
| Patricia Denvir | Green Party Northern Ireland | 433 | 0.9% |
Past election results
Every General Election and by-election in this seat, newest first. Open one for the full candidate list.
| Election | Winner | Result | Majority |
|---|---|---|---|
| 2024 | Sorcha-Lucy Eastwood (APNI) | APNI gain from DUP | 2,959 |
| 2019 | Jeffrey M. Donaldson (DUP) | DUP hold | 6,499 |
| 2017 | Jeffrey M. Donaldson (DUP) | DUP hold | 19,229 |
| 2015 | Jeffrey Donaldson (DUP) | DUP hold | 13,000 |
| 2010 | Jeffrey Donaldson (DUP) | DUP hold | 10,486 |
Members for this seat
Everyone who has won the seat at the elections in our records, which begin with the 2010 general election. Members before then are not shown.
| Member | Party | Period |
|---|---|---|
| Sorcha Eastwood | Alliance | 2024 to present |
| Jeffrey M. Donaldson | Democratic Unionist Party | 2010 to 2024 |
Source: 2024 general election result from the official Parliament constituency profile.