| Flat 11, Harmont House, 20 Harley Street, London, W1G 9PH | Oct 2024 | £1,400,000 | Flat / maisonette | Leasehold |
| Flat 20, Harmont House, 20 Harley Street, London, W1G 9PH | Aug 2023 | £1,600,000 | Flat / maisonette | Leasehold |
| Flat 4, Harmont House, 20 Harley Street, London, W1G 9PH | May 2023 | £1,380,000 | Flat / maisonette | Leasehold |
| Flat 16, Harmont House, 20 Harley Street, London, W1G 9PH | Aug 2022 | £1,100,000 | Flat / maisonette | Leasehold |
| Flat 22, Harmont House, 20 Harley Street, London, W1G 9PH | Sep 2019 | £1,330,000 | Flat / maisonette | Leasehold |
| Flat 14A, Harmont House, 20 Harley Street, London, W1G 9PH | Apr 2019 | £500,000 | Flat / maisonette | Leasehold |
| Flat 9, Harmont House, 20 Harley Street, London, W1G 9PH | Jun 2015 | £1,425,000 | Flat / maisonette | Leasehold |
| Flat 21, Harmont House, 20 Harley Street, London, W1G 9PH | Jul 2014 | £1,350,000 | Flat / maisonette | Leasehold |
| Flat 10, Harmont House, 20 Harley Street, London, W1G 9PH | Dec 2009 | £202,500 | Flat / maisonette | Leasehold |
| Flat 12, Harmont House, 20 Harley Street, London, W1G 9PH | Sep 2009 | £202,500 | Flat / maisonette | Leasehold |
| Flat 3, Harmont House, 20 Harley Street, London, W1G 9PH | Jun 2008 | £750,000 | Flat / maisonette | Leasehold |
| Flat 1, Harmont House, 20 Harley Street, London, W1G 9PH | Mar 2008 | £750,000 | Flat / maisonette | Leasehold |
| Flat 5, Harmont House, 20 Harley Street, London, W1G 9PH | Nov 2007 | £737,500 | Flat / maisonette | Leasehold |
| Flat 19, Harmont House, 20 Harley Street, London, W1G 9PH | Aug 2006 | £499,999 | Flat / maisonette | Leasehold |
| Flat 18, Harmont House, 20 Harley Street, London, W1G 9PH | Jul 2006 | £532,500 | Flat / maisonette | Leasehold |
| Flat 6, Harmont House, 20 Harley Street, London, W1G 9PH | Mar 2004 | £318,000 | Flat / maisonette | Leasehold |
| Flat 23, Harmont House, 20 Harley Street, London, W1G 9PH | Jun 2002 | £495,000 | Flat / maisonette | Leasehold |
| Flat 17, Harmont House, 20 Harley Street, London, W1G 9PH | Sep 2001 | £380,000 | Flat / maisonette | Leasehold |
| Flat 2, Harmont House, 20 Harley Street, London, W1G 9PH | May 2001 | £295,000 | Flat / maisonette | Leasehold |
| Flat 8, Harmont House, 20 Harley Street, London, W1G 9PH | Feb 2001 | £215,000 | Flat / maisonette | Leasehold |
| Flat 7, Harmont House, 20 Harley Street, London, W1G 9PH | Feb 1995 | £180,000 | Flat / maisonette | Leasehold |