Horsham 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. | ||
|---|---|---|---|---|
| Paul Abbott Social Democratic Party | − | − | − | |
| Jim Duggan The Peace Party | − | − | − | |
| James Field Labour | − | − | − | |
| Hugo Miller Reform UK | − | − | − | |
| John Milne Liberal Democrat | − | − | − | |
| Sir Jeremy Quin Conservative | − | − | − | |
| Catherine Ross Green | − | − | − |