Ascot d'Oilly Castle is situated north of the village of Ascott-under-Wychwood

Ascott-under-Wychwood

Ascott-under-Wychwood is a village and civil parish in the Evenlode valley about south of Chipping Norton, Oxfordshire.-History:The village is one of several named after the historic forest of Wychwood; the others being Shipton-under-Wychwood and Milton-under-Wychwood.Ascot d'Oilly Castle was...

, Oxfordshire

Oxfordshire

Oxfordshire is a county in the South East region of England, bordering on Warwickshire and Northamptonshire , Buckinghamshire , Berkshire , Wiltshire and Gloucestershire ....

. It is a scheduled ancient monument

Scheduled Ancient Monument

In the United Kingdom, a scheduled monument is a 'nationally important' archaeological site or historic building, given protection against unauthorized change. The various pieces of legislation used for legally protecting heritage assets from damage and destruction are grouped under the term...

. A fragment of the castle remains and is a Grade II listed building. It was named after Roger d’Oilly who was granted it by William the Conqueror and whose brother built Oxford Castle

Oxford Castle

Oxford Castle is a large, partly ruined Norman medieval castle situated on the west edge of Oxford in Oxfordshire, England. The original moated, wooden motte and bailey castle was replaced with stone in the 11th century and played an important role in the conflict of the Anarchy...

.

It is thought that the castle was built around 1129 and it was demolished soon after 1175. There are fragmentary remains of a stone tower. It was excavated by Martyn Jope

Martyn Jope

Edward Martyn Jope was an English archaeologist and chemist. He worked temporarily during the Second World War as a biochemist. Following the war, he returned to working in archaeology, first as a medievalist and later as a prehistorian.- Life and Career :Martyn Jope studied at Oriel College, Oxford...

 und R. I. Threlfall in 1959, when 12th century pottery was discovered. The remains consist of raised ground surrounded by broad ditching. Only traces of the tower remain and they suggest that it was about 35 feet (11 m) square with walls 8 feet (2 m) thick. The castle is very close to the fortification of Ascott Earl Castle

Ascott Earl Castle

Ascott Earl Castle was a castle in the village of Ascott Earl, Oxfordshire, England.-Details:Ascott Earl Castle was built in the village of Ascott Earl, to a motte-and-bailey design. The castle is very close to the fortification of Ascot d'Oilly Castle, built on an adjacent estate at the other end...

, built on an adjacent estate at the other end of the village.