its entrance faces williamson square. it has seven bays and is in three storeys. the central three bays project forward. they are surmounted by a broken pediment. on the ground floor the central bays contain three entrances. these are separated by pillars. these lead to a recessed porch. over each entrance is an architrave containing a fanlight. the lateral bays contain two round-headed and one flat-headed entrance on each side. there are three blind round windows. in the middle storey the bays are separated by pilasters. the three central bays each have a balustrade and a window with a tympanum containing a roundel. each of the three lateral bays contains a window with a cornice, and a round window above it. along the top storey are oculi between panelled pilasters. on the summit of each of the two lateral bays is a cupola on a short tuscan colonnade.