Ernest J. King, and General of the Air Force Henry H. Arnold, stayed at Stanwell Place for these meetings. After Gibson’s death, Stanwell Place and 22 acres were sold to King Faisal II of Iraq, leaving 17 acres of Stanhope farm still in the ownership of Gibson's sons. After the assassination of King Faisal in 1958, the house and its grounds was purchased for gravel extraction. Despite local attempts to prevent it, the house was allowed to become derelict and was eventually demolished. References Demolished buildings and structures in England History of Middlesex Middlesex