There are 94 Grade I listed buildings in South Somerset . Most are Norman- or medieval @-@ era churches , but there are other religious buildings as well . Muchelney Abbey consist of the remains and foundations of a medieval Benedictine Abbey and an early Tudor house dating from the 16th century , formerly the lodgings of the resident abbot . Stavordale Priory was built as a priory church in the 13th century and was converted into a private residence in 1533 . The Hamstone Stoke sub Hamdon Priory is a 14th @-@ century former priest 's house of the chantry chapel of St Nicholas , which after 1518 become a farm known as Parsonage Farmhouse . It remained a farm until about 1960 , and have been owned by the National Trust since 1946 .