The exterior appearance, a white brick facade of two storeys of seven bays with advanced sides, was pretty common at the time, and other details of the project may lead to believe that nearby Goodwood House owned by the Dukes of Richmond could have been an inspiration.

[1] In 1814, the property was sold to Henry Molyneux-Howard, the younger brother of Bernard Howard, who would shortly become the 12th Duke of Norfolk and inherit Arundel Castle.

After his death in 1824, the property passed to his widow Lady Molyneux Howard, who sold it in 1834 to Richard Hasler from Kirdford (near Chichester), who was a local wealthy landowner with extensive possessions in the area.

During WWI, the Seamans decided that the house was too close to the coast and to Portsmouth naval base and moved away to Kentwell Hall in 1915.

[7] After a brief spell during WWII when the building hosted Canadian troops, it was passed to the Government in 1948 along with the assets of many independent sanatoriums and incorporated into the NHS.