Chapter Street, one of the latter, has 31 flats in the Art Deco style of the original building. The block backs on to Vincent Square, a splendid 13-acre green space with playing fields owned by Westminster School. Prices from £950,000. Call Barratt on 0844 8114321.
Launching soon is Abell & Cleland, in John Islip Street, a redevelopment of two former ministry buildings, with a leisure complex and concierge. Call 020 7720 4000.