Date,Address,Postcode,Price,Type,Ownership,NewBuild,SaleType 2016-08-18,"21 Duke Street, London",W1U 1DJ,600000,Other,"Leasehold",No,Non-standard 2016-03-01,"21 Duke Street, London",W1U 1DJ,10000,Other,"Leasehold",No,Non-standard 2014-02-28,"Flat 2, 23 Duke Street, London",W1U 1DJ,1640000,Flat,"Leasehold",Yes,Standard 2013-11-18,"Flat 1, 23 Duke Street, London",W1U 1DJ,750000,Flat,"Leasehold",No,Standard