[9] Chorleywood station was formerly served by steam-hauled Metropolitan line trains from Aylesbury to London, with a changeover to an electric locomotive at Rickmansworth.
Between October 2004 and December 2011 almost all southbound Metropolitan line trains from Chorleywood into London were fast trains to Baker Street, calling at Rickmansworth, Moor Park, Harrow-on-the-Hill, Wembley Park, Finchley Road and Baker Street.
The journey to central London takes around 35–50 minutes depending on the line and time of day.
Southbound fast trains run non-stop between Moor Park, Harrow-on-the-Hill and Finchley Road.
Northbound fast and semi-fast trains call additionally at Wembley Park before running non-stop between the aforementioned stations.