The C Stock was built for the District Railway in 1910.

The additional rolling stock was required to increase the frequency of the service (particularly given the introduction of automatic electro-pneumatic signalling which allowed less headway between trains), plus the four-tracking of the section west of Hammersmith which allowed a greater frequency of trains to and from Richmond.

The remaining cars were largely confined to the Olympia shuttle service and were withdrawn from passenger service by the late 1950s.

A few examples continued in use for a time, painted grey, as "Stores Carriers", before being finally broken up in May 1963.

[1][2][3] The C Stock remains the only fleet of London Underground carriages to have been built in Scotland.