Devon South West is currently held by the Conservative Party, and awaits results.
Results for 2019 are notional estimates based on the new boundaries.
| Votes | Share % | Change %pts. | ||
|---|---|---|---|---|
| Sarah Allen Labour | − | − | − | |
| Julian Brazil Liberal Democrat | − | − | − | |
| Steve Horner Reform UK | − | − | − | |
| Lauren McLay Green | − | − | − | |
| Rebecca Smith Conservative | − | − | − | |
| Alan Spencer Independent | − | − | − | |
| Ben Davy Trade Unionist and Socialist Coalition | − | − | − | |
| Darryl Ingram Heritage Party | − | − | − |