Date,Address,Postcode,Price,Type,Ownership,NewBuild,SaleType 2018-01-31,"Flat 1, 124 Mount Street, London",W1K 3NR,4850000,Flat,"Leasehold",No,Standard 2016-01-21,"Flat 1, 124 Mount Street, London",W1K 3NR,2750000,Flat,"Leasehold",No,Non-standard