Date,Address,Postcode,Price,Type,Ownership,NewBuild,SaleType 2014-05-16,"Flat 4, 17 Upper Grosvenor Street, London",W1K 7PN,1875000,Flat,"Leasehold",No,Non-standard 2014-04-04,"Flat 2, 17 Upper Grosvenor Street, London",W1K 7PN,3920000,Flat,"Leasehold",No,Standard