The building occupies a large L-shaped block. It is six storeys high plus the octagonal corner tower. The front of the building onto Orange Grove has eight bays and the side overlooking the River Avon has nine bays.[1]
The architecture of the roof shows the three classes of people, a castle on the corner for upper class, a house for the middle classes and a cottage for the lower classes.[2]
During World War II it was used by the Admiralty as a postal sorting office and remained in their possession until the 1990s.[3] In 1996 it was then refurbished and became apartments and a restaurant.[4][5]