| Flat 4B, Portman Mansions Chiltern Street, London, W1U 6NS | Aug 2025 | £995,000 | Flat / maisonette | Leasehold |
| Flat 4O, Portman Mansions Chiltern Street, London, W1U 6NS | Mar 2022 | £1,320,000 | Flat / maisonette | Leasehold |
| Flat 4F, Portman Mansions Chiltern Street, London, W1U 6NS | Apr 2021 | £2,905,000 | Flat / maisonette | Leasehold |
| Flat 4N, Portman Mansions Chiltern Street, London, W1U 6NS | Sep 2019 | £1,460,000 | Flat / maisonette | Leasehold |
| Flat 4R, Portman Mansions Chiltern Street, London, W1U 6NS | Feb 2015 | £1,400,000 | Flat / maisonette | Leasehold |
| Flat 4Y, Portman Mansions Chiltern Street, London, W1U 6NS | Jan 2014 | £1,060,000 | Flat / maisonette | Leasehold |
| Flat 4E, Portman Mansions Chiltern Street, London, W1U 6NS | Sep 2013 | £2,350,000 | Flat / maisonette | Leasehold |
| Flat 4C, Portman Mansions Chiltern Street, London, W1U 6NS | Jun 2013 | £1,750,000 | Flat / maisonette | Leasehold |
| Flat 4A, Portman Mansions Chiltern Street, London, W1U 6NS | Jul 2011 | £1,110,000 | Flat / maisonette | Leasehold |
| Flat 4M, Portman Mansions Chiltern Street, London, W1U 6NS | May 2010 | £935,000 | Flat / maisonette | Leasehold |
| Flat 4X, Portman Mansions Chiltern Street, London, W1U 6NS | Aug 2009 | £815,000 | Flat / maisonette | Leasehold |
| Flat 4P, Portman Mansions Chiltern Street, London, W1U 6NS | Jul 2006 | £550,000 | Flat / maisonette | Leasehold |
| Penthouse 10, Portman Mansions Chiltern Street, London, W1U 6NS | Sep 2004 | £525,000 | Flat / maisonette | Leasehold |
| Flat 4Z, Portman Mansions Chiltern Street, London, W1U 6NS | Jan 2004 | £390,000 | Flat / maisonette | Leasehold |
| Flat 4J, Portman Mansions Chiltern Street, London, W1U 6NS | Sep 2003 | £382,500 | Flat / maisonette | Leasehold |
| Flat 4G, Portman Mansions Chiltern Street, London, W1U 6NS | Jul 1997 | £265,000 | Flat / maisonette | Leasehold |