Dunster Castle evidence of a fortification at Dunster was an Anglo-Saxon "burgh". This was built on the summit of the hill and was possibly intended to protect the region against sea-borne raiders; by the mid-11th century it was controlled by a local nobleman called Aelfric. In 1066 the Normans invaded south-east England, defeating the English forces at the battle of Hastings: in the aftermath of the victory, William the Conqueror entrusted the conquest of the south-west of England to his half-brother Robert of Mortain. Expecting stiff resistance, Robert marched west into Somerset, supported by forces under Walter of Douai, who entered from
Dunster listed building and scheduled monument. Dunster Priory was established as a Benedictine monastery around 1100. The first church in Dunster was built by William de Mohun who gave the church and the tithes of several manors and two fisheries, to the Benedictine Abbey at Bath. The priory, which was situated just north of the church, became a cell of the abbey. The church was shared for worship by the monks and the parishioners, however this led to several conflicts between them. One outcome was the carved rood screen which divided the church in two with the parish using the west