Result - By-Election
Aberdeen South By-Election Result 2026
Scotland · Polling day Thursday 18 June 2026
Result
Majority 6,050 (20.9pp)
Change vs 2024 General Election
A 14.7-point Con-SNP swing, with Labour's vote share collapsing 19.3 points. Reform UK's vote share rose 1.7 points. At the 2024 General Election the SNP held the seat with a 3,758-vote (8.1pp) majority over Labour.
| Party | 2024 GE | Result | Change |
|---|---|---|---|
| Conservative | 24.4% | 49.6% | +25.2 |
| SNP | 32.8% | 28.6% | -4.2 |
| Reform UK | 6.9% | 8.6% | +1.7 |
| Labour | 24.7% | 5.4% | -19.3 |
| Liberal Democrats | 6.3% | 4.4% | -1.9 |
| Green | 3.5% | 3.4% | -0.1 |
PollCheck nowcast
Lead
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Win probability
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As of
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Why this by-election
Key dates
Candidates
Candidates will be listed here once parties announce their selections. The nomination period opens after the Speaker issues the writ. PollCheck will update this section as candidacies are confirmed.
Polls
No constituency polling has been published for the Aberdeen South by-election yet. PollCheck will update this section as polls are released.
2024 General Election
Winner
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Majority
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Turnout
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Electorate
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Deeper analysis
Holyrood May 2026 signal
Overlapping Holyrood seats - 7 May 2026 result
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Selected constituency
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Sources: Scottish Parliament 2026 results compiled on Wikipedia from Sky News and BBC declarations. Holyrood boundaries: Boundaries Scotland (Second Review, May 2026). Westminster boundary: ONS, July 2024.
Background
How to vote
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