Watlington Park is an English country house with its surrounding grounds of approximately 500 acres (200 ha), located atop an escarpment in the Chiltern Hills, approximately 0.5 miles (0.80 km) southwest of Christmas Common and 1.4 miles (2.3 km) southeast of Watlington, Oxfordshire.
The estate formed part of a royal park until 1632, when Charles I sold the land to William Stonor of the nearby Stonor Park in order to raise funds for his government. Around the middle of the 18th century it was sold to John Tilson, who built the mansion which essentially still exists today.
In the late 19th century, Watlington Park exchanged hands multiple times, until Oliver Brett, 3rd Viscount Esher, bought it in 1920, renovating and extending the house. His son, the architect and city planner Lionel Brett, 4th Viscount Esher, inherited the property upon his father's death in 1963, pared down the property to its earlier design removing much of the 19th and 20th century additions, and lived as well as ran his architectural practice together with Francis Pollen from there.
Some time in the 1960s, Lionel Brett gave the house to his eldest son, and built a new house of his own, somewhat unusual design, named The Tower, on the grounds of the estate, as a country residence for himself and his wife.
In several instalments during the 20th century, large parts of the estate were donated to or otherwise placed under the administration of the National Trust, including the adjoining Watlington Hill.
- "Unveiled: the secret sellers". The Sunday Times. 5 January 2003. Retrieved 17 June 2020.
- "The history of Watlington Hill". National Trust. Retrieved 17 June 2020.
- Historic England. "Watlington Park (1059422)". National Heritage List for England. Retrieved 17 June 2020.
- "Building of the month - December 2019 - The Tower, Christmas Common, Watlington, Oxfordshire". Twentieth Century Society. Retrieved 18 June 2020.