 These are the recently well restored Queen's Royal College; the residences of the Anglican bishop and the Roman Catholic archbishop; Whitehall, once a private residence, then the office of the prime minister from 1963 to 2010 ; Mille Fleurs, once a private residence, is undergoing full restoration as a public museum and headquarters for the National Heritage Trust and was sold to the Government in 1979; Roomor, an ornate black-and-white château-like building that remains a private residence; and Stollmeyer's Castle, a turreted house supposedly modelled on Balmoral Castle.The slow pace of building restorations over the years remains a concern.Housing in Port of Spain ranges from luxurious waterfront apartments to board houses lacking indoor plumbing and motor vehicular access.