Date,Address,Postcode,Price,Type,Ownership,NewBuild,SaleType
2022-03-15,"Flat 4O, Portman Mansions, Chiltern Street, London",W1U 6NS,1320000,Flat,"Leasehold",No,Non-standard
2021-04-29,"Flat 4F, Portman Mansions, Chiltern Street, London",W1U 6NS,2905000,Flat,"Leasehold",No,Standard
2019-09-27,"Flat 4N, Portman Mansions, Chiltern Street, London",W1U 6NS,1460000,Flat,"Leasehold",No,Standard
2018-02-12,"Flat 4N, Portman Mansions, Chiltern Street, London",W1U 6NS,1345000,Flat,"Leasehold",No,Standard
2015-02-06,"Flat 4R, Portman Mansions, Chiltern Street, London",W1U 6NS,1400000,Flat,"Leasehold",No,Non-standard
2014-01-20,"Flat 4Y, Portman Mansions, Chiltern Street, London",W1U 6NS,1060000,Flat,"Leasehold",No,Standard
2013-09-09,"Flat 4E, Portman Mansions, Chiltern Street, London",W1U 6NS,2350000,Flat,"Leasehold",No,Standard
2013-06-27,"Flat 4C, Portman Mansions, Chiltern Street, London",W1U 6NS,1750000,Flat,"Leasehold",No,Standard
2011-07-15,"Flat 4A, Portman Mansions, Chiltern Street, London",W1U 6NS,1110000,Flat,"Leasehold",No,Standard
2010-05-27,"Flat 4M, Portman Mansions, Chiltern Street, London",W1U 6NS,935000,Flat,"Leasehold",No,Standard
2009-08-13,"Flat 4X, Portman Mansions, Chiltern Street, London",W1U 6NS,815000,Flat,"Leasehold",No,Standard
2009-05-29,"Flat 4N, Portman Mansions, Chiltern Street, London",W1U 6NS,647000,Flat,"Leasehold",No,Standard
2007-10-15,"Flat 4R, Portman Mansions, Chiltern Street, London",W1U 6NS,395000,Flat,"Leasehold",No,Standard
2006-08-31,"Flat 4A, Portman Mansions, Chiltern Street, London",W1U 6NS,540000,Flat,"Leasehold",No,Standard
2006-07-03,"Flat 4P, Portman Mansions, Chiltern Street, London",W1U 6NS,550000,Flat,"Leasehold",No,Standard
2004-09-24,"Flat 4Y, Portman Mansions, Chiltern Street, London",W1U 6NS,530000,Flat,"Leasehold",No,Standard
2004-09-03,"Penthouse 10, Portman Mansions, Chiltern Street, London",W1U 6NS,525000,Flat,"Leasehold",No,Standard
2004-01-23,"Flat 4Z, Portman Mansions, Chiltern Street, London",W1U 6NS,390000,Flat,"Leasehold",No,Standard
2003-09-24,"Flat 4J, Portman Mansions, Chiltern Street, London",W1U 6NS,382500,Flat,"Leasehold",No,Standard
2003-07-18,"Penthouse 10, Portman Mansions, Chiltern Street, London",W1U 6NS,372500,Flat,"Leasehold",No,Standard
2003-02-25,"Flat 4E, Portman Mansions, Chiltern Street, London",W1U 6NS,240000,Flat,"Leasehold",No,Standard
2002-11-29,"Flat 4O, Portman Mansions, Chiltern Street, London",W1U 6NS,420000,Flat,"Leasehold",No,Standard
2001-10-25,"Flat 4R, Portman Mansions, Chiltern Street, London",W1U 6NS,395000,Flat,"Leasehold",No,Standard
2000-05-25,"Flat 4M, Portman Mansions, Chiltern Street, London",W1U 6NS,249950,Flat,"Leasehold",No,Standard
1999-07-14,"Penthouse 10, Portman Mansions, Chiltern Street, London",W1U 6NS,290000,Flat,"Leasehold",No,Standard
1999-05-28,"Flat 4O, Portman Mansions, Chiltern Street, London",W1U 6NS,250000,Flat,"Leasehold",No,Standard
1998-01-09,"Penthouse 10, Portman Mansions, Chiltern Street, London",W1U 6NS,249995,Flat,"Leasehold",Yes,Standard
1997-12-15,"Flat 4R, Portman Mansions, Chiltern Street, London",W1U 6NS,210000,Flat,"Leasehold",No,Standard
1997-07-02,"Flat 4G, Portman Mansions, Chiltern Street, London",W1U 6NS,265000,Flat,"Leasehold",No,Standard
1997-06-18,"Flat 4M, Portman Mansions, Chiltern Street, London",W1U 6NS,222000,Flat,"Leasehold",No,Standard
1997-05-28,"Flat 4P, Portman Mansions, Chiltern Street, London",W1U 6NS,250000,Flat,"Leasehold",No,Standard
1997-04-14,"Flat 4B, Portman Mansions, Chiltern Street, London",W1U 6NS,155500,Flat,"Leasehold",No,Standard
1997-02-24,"Flat 4N, Portman Mansions, Chiltern Street, London",W1U 6NS,197000,Flat,"Leasehold",No,Standard
1995-10-18,"Flat 4X, Portman Mansions, Chiltern Street, London",W1U 6NS,154000,Flat,"Leasehold",No,Standard
1995-03-23,"Flat 4B, Portman Mansions, Chiltern Street, London",W1U 6NS,99500,Flat,"Leasehold",No,Standard