Date,Address,Postcode,Price,Type,Ownership,NewBuild,SaleType 2013-06-28,"Flat 8G, Portman Mansions, Porter Street, London",W1U 6DE,599000,Flat,"Leasehold",No,Standard 2012-03-09,"Flat 8F, Portman Mansions, Porter Street, London",W1U 6DE,750000,Flat,"Leasehold",No,Standard 2010-08-27,"Flat 8C, Portman Mansions, Porter Street, London",W1U 6DE,1566500,Flat,"Leasehold",No,Standard 2006-12-18,"Flat 8F, Portman Mansions, Porter Street, London",W1U 6DE,499950,Flat,"Leasehold",No,Standard 2006-01-20,"Flat 8G, Portman Mansions, Porter Street, London",W1U 6DE,310000,Flat,"Leasehold",Yes,Standard 2003-07-08,"Flat 8C, Portman Mansions, Porter Street, London",W1U 6DE,850000,Flat,"Leasehold",No,Standard 2002-07-04,"Flat 8C, Portman Mansions, Porter Street, London",W1U 6DE,605000,Flat,"Leasehold",No,Standard 1998-08-21,"Flat 8H, Portman Mansions, Porter Street, London",W1U 6DE,169950,Flat,"Leasehold",Yes,Standard 1998-04-03,"Flat 8D, Portman Mansions, Porter Street, London",W1U 6DE,285000,Flat,"Leasehold",No,Standard 1998-02-23,"Flat 8E, Portman Mansions, Porter Street, London",W1U 6DE,255000,Flat,"Leasehold",No,Standard 1997-11-17,"Flat 8F, Portman Mansions, Porter Street, London",W1U 6DE,240000,Flat,"Leasehold",Yes,Standard