Designed by Philip Charles Hardwick, the mansion was built of white brick and stone between 1854 and 1858.

[5] Part of the estate was purchased by the Uxbridge Urban District on 31 March 1928 and became Hillingdon Court Park.

[6] The Roman Catholic order of the Sacred Heart purchased the mansion in 1920 for use as a nursing home for the elderly.

The bomb failed to detonate, and the lady is recorded as having told staff it was time she headed to the air raid shelter.

[10] Many of the original features of the mansion remain and have been restored under the ownership of ACS International Schools.