[1] The Queen's Hospital was opened in prefabricated buildings in the grounds of Frognal House on 18 August 1917.

[2] It provided pioneering plastic surgery under the guidance of Sir Harold Gillies to soldiers sustaining facial injuries during First World War.

[2] It was damaged by bombing during World War II and joined the National Health Service in 1948.

[3] In November 2010 the hospital's A & E Department temporarily closed along with the maternity services in the Kent Women's Wing.

Oxleas NHS Foundation Trust became the owner of the estate and took responsibility for the running of some clinical services.