UK general elections › 2017 › Islwyn
Islwyn — 2017
Chris Evans (Labour Party) was elected with 21,238 votes— 58.8% of 36,093 valid votes.
Result · single-seat
Marginal winner Winning candidate's share of valid votes. 58.8% Proportional quota 50.0% Below quota Winning candidate's share minus the proportional quota (50% for a single-member seat). Negative = below; positive = above. +8.8 pts Valid ballots Voters who cast a valid ballot in this constituency, from the published source. 36,093
| Rank | Candidate | Party | Votes | Share 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 |
|---|---|---|---|---|---|---|
| 1 | Chris Evans | Labour Party | 21,238 | 58.8% | +8.8 pts | Elected |
| 2 | Dan Thomas | Conservative Party | 9,826 | 27.2% | — | |
| 3 | Darren Jones | Plaid Cymru | 2,739 | 7.6% | — | |
| 4 | Joe Smyth | UK Independence Party | 1,605 | 4.4% | — | |
| 5 | Matthew Kidner | Liberal Democrats | 685 | 1.9% | — |
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.