Before 1785
An old manor house west of the present-day Digswell House was built by Sir John Peryent in the early 15th century.[2] The old manor house was subsequently inhabited by the families of Peryent, Horsey, Sedley and Shallcross. Capability Brown created some of the landscape work at Digswell between 1771 and 1773.
1850s
The house was occupied by Henry Pearse Esquire a West India Merchant with his wife Mary and daughters Mary Louisa, Julia Charlotte, Alice Jane and sons Cosmo Brice and Ernest Charles and a full house of staff are shown in the 1851 census. He also resided at No. 8, Finsbury-place South, in the city of London. He was later declared bankrupt on 17 June 1854.
1880s
The house was owned by Phoebe Tatham the wife of William Smith Brown. Phoebe Tatham had inherited wealth from Duncan Dunbar following his death when still a bachelor in 1862. Dunbar had been one of the largest shipping magnates in the Commonwealth having built up the Dunbar Line of trading and convict ships. Phoebe was his niece, the elder daughter of Dunbar's sister Justina and her husband, Poplar surgeon Christopher Tatham. William and Phoebe had eight children. Phoebe died at Digswell 23 February 1891 and William died 31 December 1891 at Portsea Island.
1914-1918
At this time the house was owned by the Aclands who gave over its use during the first World War Digswell House served as the Number 5 Australian Auxiliary Hospital and nursing home for wounded Australian Soldiers though Belgian and British Soldiers also stayed there. It was staffed by the Red Cross from local families. The grounds of Digswell house provided a centre for sports for those soldiers who could compete as can be seen in photographs from this period. A letter published in 1917 sums up the situation at the time.
The Hon. Mrs. Acland, owner of Digswell House, has generously given up her home to convalescent Australians, the house accommodating about 25 officers. Her husband, Colonel Acland, is at the front, also her only son, Lieut. Acland, with the Grenadier Guards. Her eldest daughter is also nursing in France. Truly a patriotic family! The grounds are very extensive, and include a small lake: Plenty of shooting is available for those able to get about. A batch of Australian officers will be leaving Digswell House next week for Australia, two of whom (shot through the stomach) have some way yet to go for recovery.
1945-1959
After the second World War Digswell House served as a boarding house and a place of retreat. Between 1955 and 1957 Digswell House was the Boarding House for Sherrardswood School.
After 1959
Notable visitors include Henry Moore who was one of the inspiring figures in the creation of the trust. It remained a retreat for artists until 1985 when Digswell House was sold and turned into a collection of private dwellings. The Digswell Arts Trust continues to this day but has moved to another site.