Yarn Market, Dunster fire in the Civil War. Nearby was an older cross known as the Butter Cross which has subsequently been moved to the outskirts of the village. The Yarn Market is an octagonal building constructed around a central pier. The tiled roof provides shelter from the rain. Dunster Castle stands on a site which has been fortified since the late Anglo-Saxon period, signifying the importance of the area. After the Norman conquest of England in the 11th century, William de Mohun constructed a timber castle on the site as part of the pacification of Somerset. A stone shell keep was built
Dunster Castle designated by English Heritage as a Grade I listed building and Scheduled Ancient Monument. The castle has required continuing maintenance work, in particular to its roof, itself an important historical feature. Efforts have been made to gradually redecorate the castle in a period style, using reproductions of original wallpapers and materials. The National Trust installed solar panels behind the battlements on the roof in 2008 to provide electricity and make the premises more environmentally friendly. This was the first time the National Trust have taken this approach to a Grade I listed building, and it is expected to save 1,714