The station has the highest elevation on the entire London Underground network at 147m above sea-level, higher than Big Ben tower.

[11] Amersham station is also served by Chiltern Railways, which runs trains between London Marylebone and Aylesbury.

[14] On 12 September 1960, the tracks from Rickmansworth to Amersham were electrified,[13] partially fulfilling plans first proposed some thirty years earlier.

Following the privatisation of British Rail in the early 1990s, these services have been provided by Chiltern Railways.

[17][note 1] In 2017, TfL announced that Amersham station would receive funding for step-free access, and that work would begin in 2018.

[19] Services at Amersham are operated by Chiltern Railways and London Underground on the Metropolitan line.