1918 General Election - Watford
| Year | 1918 |
| General election | 1918 General Election |
| Constituency | Watford |
| Turnout | 59.5% |
Results
| Candidate | Party | Votes |
| Herbert, Dennis Henry | Unionist with Coalition Coupon | 11,155 |
| Lathan, George | Labour | 4,952 |
| Gray, Francis James | Liberal | 3,395 |