The station is served by Chiltern Railways trains from Marylebone towards High Wycombe and Birmingham Snow Hill, and is in Travelcard Zone 4.

This station also has an Oyster card facility located at the entrance and exit.

[5][6] The service was reduced to peak hours only from 7 September 1964,[7] due to a lack of demand.

All services at Sudbury Hill Harrow are operated by Chiltern Railways.

The typical off-peak service is one train per hour in each direction between London Marylebone and High Wycombe.