CONSTITUENCY RESULT : Harrow West
| Candidate name | Party | Gender | Number of votes | Share (%) | Change vs. 2017 for party (percentage points) | ||
| Gareth Thomas | Labour and Co-operative | Male | 25,132 | 52.4% | -8.4 | ||
| Anwara Ali | Conservative | Female | 16,440 | 34.3% | -0.1 | ||
| Lisa-Maria Bornemann | Liberal Democrat | Female | 4,310 | 9.0% | +6.5 | ||
| Rowan Langley | Green | Male | 1,109 | 2.3% | +1.0 | ||
| Richard Jones | Brexit Party | Male | 931 | 1.9% | 0.0 |
| Election statistics | ||
| Majority | ||
| Votes | 8,692 | |
| Percent | 18.1% | |
| Rank (1 = highest %) | 388 | |
| Turnout | ||
| Constituency | 66.1% | |
| Region | 67.5% | |
| UK | 67.3% | |
| Constituency in 2017 | 72.1% | |
| Size of electorate | 72,464 | |
| Valid votes cast | 47,922 |