Increasing demand led to the leasing of larger premises of Elm Tree House in Hammersmith Road in 1860.

[1] In February 1925 Princess Mary opened a new wing financed by Dan Mason.

[1] In 1937 a new block on the eastern corner of the Hospital was added - the Silver Jubilee Extension - and was officially opened by Queen Mary.

[1] In 1993 its remaining services were moved to the Chelsea and Westminster Hospital on Fulham Road.

[1] The building was sold and refurbished as offices and named Saunders House.