UK general elections2017 › South Northamptonshire

South Northamptonshire — 2017

Andrea Leadsom (Conservative Party) was elected with 40,599 votes62.5% of 64,998 valid votes.

Result · single-seat

Marginal winner Winning candidate's share of valid votes. 62.5% Proportional quota 50.0% Below quota Winning candidate's share minus the proportional quota (50% for a single-member seat). Negative = below; positive = above. +12.5 pts Valid ballots Voters who cast a valid ballot in this constituency, from the published source. 64,998

RankCandidatePartyVotesShare of votes Candidate votes ÷ valid votes in this constituency. Matches the share the returning officer publishes.Below quota Elected candidate's share of valid votes minus the proportional quota (50% for a single-member seat). Negative = won the seat below the quota; positive = cleared it.Elected
1Andrea Leadsom Conservative Party 40,59962.5%+12.5 ptsElected
2Sophie Johnson Labour Party 17,75927.3%
3Chris Lofts Liberal Democrats 3,6235.6%
4Nigel Wickens UK Independence Party 1,3632.1%
5Denise Donaldson Green Party 1,3572.1%
6Josh Phillips Independent 2970.5%

Electorate 85,759 · Turnout 75.8% · Majority 22,840 · Back to 2017 overview

Source data: UK Parliament psephology database, retrieved 2026-05-19, generated 2026-05-19 (Open Parliament Licence v3.0). ETL version parliament-etl-psephology@1. Methodology: how these numbers are computed.