Riding profile

Belfast South and Mid Down

UK constituency — Northern Ireland · Urban · northern ireland

The question

Belfast South and Mid Down: will SDLP lose this seat to UK_SDLP?

Editorial read

Belfast South and Mid Down, an urban constituency in Northern Ireland, elected a member with the UK_SDLP Party in the previous cycle, with a 29-point margin. The Vote-Scope model projects the UK_SDLP Party ahead at 5% vote share, against 4% for the Green Party, and the probability of a close race is negligible.

Sitting member

Claire Hanna

Sits with SDLP

Since
2019-12-12
Parliament
59th

Current forecast

UK_SDLP

Safe

Probability
100%
Mean margin (pts)
28.1
P(close race)
0%

Projected vote share

Projection by party

  • Other 5.0%
  • Green 3.5%

In context

How this riding stacks up

Other Green Conservative Labour
HereBelfast South and Mid Down 5.0%3.5%0.2%0.2%
National averageUnited Kingdom 4.8% +0.2 11.8% −8.3 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_SDLP
Margin
28.8 pts
Margin shift vs current projection
-0.6 pts

Detailed result · UK 2024

Candidates and votes

Candidate Party Votes % Occupation
Claire Hanna Elected SDLP 21,345 49.1
Kate Nicholl Alliance 8,839 20.3
Tracy Kelly DUP 6,859 15.8
Michael Henderson UUP 2,653 6.1
Dan Boucher TUV 2,218 5.1
Áine Groogan Green 1,577 3.6

Demographics

Who lives here

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

Last model run
Cycle
uk_2029