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 Castle At the end of the 14th century the de Mohuns sold the castle to the Luttrell family, who continued to occupy the property until the late 20th century. The castle was expanded several times by the Luttrell family during the 17th and 18th centuries; they built a large manor house within the Lower Ward of the castle in 1617, and this was extensively modernised, first during the 1680s and then during the 1760s. The medieval castle walls were mostly destroyed following the siege of Dunster Castle at the end of the English Civil War, when Parliament ordered the defences to