Constituency
Hayes and Harlington
At a glance
The MP for Hayes and Harlington is John McDonnell (Labour), who has held the seat since at least 2010, the earliest election our results cover. At the 2024 general election the seat was a Lab hold: he took 53.3% of the vote for a majority of 12,031, on a 51.5% turnout. Compared with the 2019 general election, the Labour share of the vote was down 2.5 points, and turnout fell from 60.8%.
2024 general election result
Majority 12,031 · Turnout 51.5% · Electorate 74,405
| Candidate | Party | Votes | Share |
|---|---|---|---|
| John McDonnell | Labour | 20,405 | 53.3% |
| Dylan Thomas | Conservative | 8,374 | 21.9% |
| Francoise Thompson | Reform UK | 4,114 | 10.7% |
| Christine West | Green Party | 2,131 | 5.6% |
| Rizwana Karim | Workers Party of Britain | 1,975 | 5.2% |
| Alexander Cunliffe | Liberal Democrat | 1,316 | 3.4% |
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 | John McDonnell (Lab) | Lab hold | 12,031 |
| 2019 | John McDonnell (Lab) | Lab hold | 9,261 |
| 2017 | John McDonnell (Lab) | Lab hold | 18,115 |
| 2015 | John McDonnell (Lab) | Lab hold | 15,700 |
| 2010 | John McDonnell (Lab) | Lab hold | 10,824 |
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 |
|---|---|---|
| John McDonnell | Labour | 2010 to present |
Source: 2024 general election result from the official Parliament constituency profile.