| Flat 2P, Portman Mansions Chiltern Street, London, W1U 6NR | Apr 2024 | £1,450,000 | Flat / maisonette | Leasehold |
| Flat 2Z, Portman Mansions Chiltern Street, London, W1U 6NR | Mar 2017 | £2,435,000 | Flat / maisonette | Leasehold |
| Flat 2F, Portman Mansions Chiltern Street, London, W1U 6NR | Aug 2014 | £1,999,999 | Flat / maisonette | Leasehold |
| Flat 2G, Portman Mansions Chiltern Street, London, W1U 6NR | Feb 2010 | £1,200,000 | Flat / maisonette | Leasehold |
| Flat 2B, Portman Mansions Chiltern Street, London, W1U 6NR | Nov 2009 | £455,000 | Flat / maisonette | Leasehold |
| Flat 2K, Portman Mansions Chiltern Street, London, W1U 6NR | Jun 2007 | £1,250,000 | Flat / maisonette | Leasehold |
| Penthouse 2, Portman Mansions Chiltern Street, London, W1U 6NR | Mar 2007 | £625,000 | Flat / maisonette | Leasehold |
| Flat 2Q, Portman Mansions Chiltern Street, London, W1U 6NR | Jan 2007 | £325,000 | Flat / maisonette | Leasehold |
| Penthouse 6, Portman Mansions Chiltern Street, London, W1U 6NR | Jul 2004 | £505,000 | Flat / maisonette | Leasehold |
| Flat 2C, Portman Mansions Chiltern Street, London, W1U 6NR | Jan 2003 | £590,000 | Flat / maisonette | Leasehold |
| Penthouse 4, Portman Mansions Chiltern Street, London, W1U 6NR | Nov 2002 | £440,000 | Flat / maisonette | Leasehold |
| Flat 2S, Portman Mansions Chiltern Street, London, W1U 6NR | Apr 2002 | £385,000 | Flat / maisonette | Leasehold |
| Flat 2T, Portman Mansions Chiltern Street, London, W1U 6NR | Dec 1997 | £122,000 | Flat / maisonette | Leasehold |
| Flat 2A, Portman Mansions Chiltern Street, London, W1U 6NR | Sep 1997 | £250,000 | Flat / maisonette | Leasehold |