 It has been designated by English Heritage as a Grade I listed building.The Abbey is a large house (formerly known as The Priory), built as the rectory by John Gunthorpe who was rector of Ditcheat, Dean of Wells and Lord Privy Seal, in 1473.The house was altered in 1667 for Christopher Coward; and given a new facade and rearranged internally in 1864–68, probably by James Piers St Aubyn for Rev.