Bishop Carpenter built a new quadrangle in the 15th century for Westbury’s college (community) of priests. It was like a miniature castle, with a turret at each corner and a battlemented gatehouse. Centuries later a Georgian house was tucked inside the wall, between one turret and the gatehouse. Now housing for the elderly fills the rest of the quadrangle. Only one other tower remains of the college. The property is owned by the National Trust; access is by key, to be collected from the vicar.