Dunster Castle motte, or Upper Ward, and an area below shaped to form the bailey, or Lower Ward. Somerset became more stable in the aftermath of the post-invasion period and the unsuccessful 1068 rebellion against Norman rule. It was common in the period for the Normans to build religious houses to accompany major castles, and accordingly William de Mohun endowed a Benedictine priory at Dunster in 1090, along with its parent abbey at Bath. The River Avill was important for trade; the region around Dunster was rich with fisheries and vineyards, and Dunster Castle prospered. Stone fortifications were built on the site
Dunster Dovecote It would originally have belonged to the Benedictine Priory of Dunster which was a cell of Bath Abbey. Domestic pigeons were kept to provide squabs a luxury food from the breast meat of young pigeons. From the 12th century until 1619, only lords of the manor and parish priests were allowed to keep them. The priory was abolished in the dissolution of the monasteries in 1539, and property belonging to it was sold to the Luttrell family of Dunster Castle. In the 18th century the floor level and door were raised among several major alterations. The lower tiers of nest