CONSTITUENCY RESULT : St Austell and Newquay
| Candidate name | Party | Gender | Number of votes | Share (%) | Change vs. 2017 for party (percentage points) | ||
| Steve Double | Conservative | Male | 31,273 | 56.1% | +6.5 | ||
| Felicity Owen | Labour | Female | 14,747 | 26.4% | -2.5 | ||
| Tim Styles | Liberal Democrat | Male | 5,861 | 10.5% | -11.0 | ||
| Dick Cole | Mebyon Kernow | Male | 1,660 | 3.0% | 0.0 | ||
| Collin Harker | Green | Male | 1,609 | 2.9% | 0.0 | ||
| Richard Byrne | Liberal | Male | 626 | 1.1% | 0.0 |
| Election statistics | ||
| Majority | ||
| Votes | 16,526 | |
| Percent | 29.6% | |
| Rank (1 = highest %) | 253 | |
| Turnout | ||
| Constituency | 69.8% | |
| Region | 72.0% | |
| UK | 67.3% | |
| Constituency in 2017 | 69.0% | |
| Size of electorate | 79,930 | |
| Valid votes cast | 55,776 |