CONSTITUENCY RESULT : Orpington
| Candidate name | Party | Gender | Number of votes | Share (%) | Change vs. 2017 for party (percentage points) | ||
| Gareth Bacon | Conservative | Male | 30,882 | 63.4% | +0.4 | ||
| Simon Jeal | Labour | Male | 8,504 | 17.5% | -6.9 | ||
| Allan Tweddle | Liberal Democrat | Male | 7,552 | 15.5% | +8.9 | ||
| Karen Wheller | Green | Female | 1,783 | 3.7% | +1.6 |
| Election statistics | ||
| Majority | ||
| Votes | 22,378 | |
| Percent | 45.9% | |
| Rank (1 = highest %) | 63 | |
| Turnout | ||
| Constituency | 70.7% | |
| Region | 67.5% | |
| UK | 67.3% | |
| Constituency in 2017 | 74.3% | |
| Size of electorate | 68,877 | |
| Valid votes cast | 48,721 |