| First train | 04:20 | |
|---|---|---|
| Last train | 01:39 | |
| Departure station | London Underground Zone 1-6 | |
| Arrival station | Hemel Hempstead | |
| Journey time | From 22m | |
| Frequency | 76 trains per day | |
| Changes | 1 change | |
| Train operators | Avanti West Coast, Great Northern, London Overground, Thameslink |
For more money-saving tips on UK and European train travel, read our cheap train tickets guide.