CONSTITUENCY RESULT : Hayes and Harlington
| Candidate name | Party | Gender | Number of votes | Share (%) | Change vs. 2017 for party (percentage points) | ||
| John McDonnell | Labour | Male | 24,545 | 55.8% | -10.7 | ||
| Wayne Bridges | Conservative | Male | 15,284 | 34.7% | +6.1 | ||
| Alex Cunliffe | Liberal Democrat | Male | 1,947 | 4.4% | +3.2 | ||
| Harry Boparai | Brexit Party | Male | 1,292 | 2.9% | 0.0 | ||
| Christine West | Green | Female | 739 | 1.7% | +0.5 | ||
| Chika Amadi | Christian Peoples Alliance Party | Female | 187 | 0.4% | 0.0 |
| Election statistics | ||
| Majority | ||
| Votes | 9,261 | |
| Percent | 21.1% | |
| Rank (1 = highest %) | 355 | |
| Turnout | ||
| Constituency | 60.8% | |
| Region | 67.5% | |
| UK | 67.3% | |
| Constituency in 2017 | 65.2% | |
| Size of electorate | 72,357 | |
| Valid votes cast | 43,994 |