| First train | 04:07 | |
|---|---|---|
| Last train | 00:28 | |
| Departure station | Watford | |
| Arrival station | London Underground Zone 1 | |
| Journey time | From 15m | |
| Frequency | 111 trains per day | |
| Changes | 1 change | |
| Train operators | Avanti West Coast, London Overground, South Western Railway, Southern |
For more money-saving tips on UK and European train travel, read our cheap train tickets guide.