CONSTITUENCY RESULT : Streatham
| Candidate name | Party | Gender | Number of votes | Share (%) | Change vs. 2017 for party (percentage points) | ||
| Bell Ribeiro-Addy | Labour | Female | 30,976 | 54.8% | -13.7 | ||
| Helen Thompson | Liberal Democrat | Female | 13,286 | 23.5% | +17.0 | ||
| Rory O’Broin | Conservative | Male | 9,060 | 16.0% | -5.3 | ||
| Scott Ainslie | Green | Male | 2,567 | 4.5% | +1.5 | ||
| Penelope Becker | Brexit Party | Female | 624 | 1.1% | 0.0 |
| Election statistics | ||
| Majority | ||
| Votes | 17,690 | |
| Percent | 31.3% | |
| Rank (1 = highest %) | 232 | |
| Turnout | ||
| Constituency | 66.7% | |
| Region | 67.5% | |
| UK | 67.3% | |
| Constituency in 2017 | 70.9% | |
| Size of electorate | 84,783 | |
| Valid votes cast | 56,513 |