Date,Address,Postcode,Price,Type,Ownership,NewBuild,SaleType 2017-06-09,"R O C House, 27 Grosvenor Street, London",W1K 4QP,9500000,Terraced,"Leasehold",No,Non-standard 1997-08-15,"R O C House, 27 Grosvenor Street, London",W1K 4QP,1375000,Terraced,"Leasehold",No,Standard