[citation needed] The station was rebuilt, after Second World War bomb damage, and in the 1990s in conjunction with works to allow Eurostar trains to use the North London line.
The line runs below street level with access via staircases to each platform.
In 2011, Evenings' Hill by British artist Clare Woods was installed along the length of the platform, made from porcelain tiles.
[4][5] The artwork was commissioned by TfL in 2011, as part of London Overground's art programme.
[6] All services at Hampsted Heath are operated by London Overground as part of the Mildmay line using Class 378 EMUs.