| Flat 5, The Hydra Building, 10 Hardwick Street, London, EC1R 4UG | Aug 2022 | £500,000 | Flat / maisonette | Leasehold |
| Flat 8, The Hydra Building, 10 Hardwick Street, London, EC1R 4UG | May 2022 | £695,000 | Flat / maisonette | Leasehold |
| B4, The Hydra Building, 10 Hardwick Street, London, EC1R 4UG | Feb 2022 | £695,000 | Flat / maisonette | Leasehold |
| Flat 3, The Hydra Building, 10 Hardwick Street, London, EC1R 4UG | Jun 2018 | £735,000 | Flat / maisonette | Leasehold |
| Flat 12, The Hydra Building, 10 Hardwick Street, London, EC1R 4UG | Jun 2018 | £825,000 | Flat / maisonette | Leasehold |
| Flat 11, The Hydra Building, 10 Hardwick Street, London, EC1R 4UG | Aug 2014 | £753,000 | Flat / maisonette | Leasehold |
| Flat 13, The Hydra Building, 10 Hardwick Street, London, EC1R 4UG | Dec 2011 | £392,000 | Flat / maisonette | Leasehold |
| Flat 10, The Hydra Building, 10 Hardwick Street, London, EC1R 4UG | Mar 2010 | £630,000 | Flat / maisonette | Leasehold |
| Flat 6, The Hydra Building, 10 Hardwick Street, London, EC1R 4UG | Apr 2009 | £552,500 | Flat / maisonette | Leasehold |
| Flat 2, The Hydra Building, 10 Hardwick Street, London, EC1R 4UG | Jul 2008 | £420,000 | Flat / maisonette | Leasehold |
| Flat 9, The Hydra Building, 10 Hardwick Street, London, EC1R 4UG | Oct 2007 | £350,000 | Flat / maisonette | Leasehold |
| B1, The Hydra Building, 10 Hardwick Street, London, EC1R 4UG | Jul 2007 | £349,950 | Flat / maisonette | Leasehold |
| Flat 17, The Hydra Building, 10 Hardwick Street, London, EC1R 4UG | Apr 2007 | £606,000 | Flat / maisonette | Leasehold |
| Flat 15, The Hydra Building, 10 Hardwick Street, London, EC1R 4UG | Nov 2002 | £495,000 | Flat / maisonette | Leasehold |
| Flat 16, The Hydra Building, 10 Hardwick Street, London, EC1R 4UG | Nov 2002 | £275,000 | Flat / maisonette | Leasehold |
| Flat 7, The Hydra Building, 10 Hardwick Street, London, EC1R 4UG | Sep 2002 | £320,000 | Flat / maisonette | Leasehold |
| B14, The Hydra Building, 10 Hardwick Street, London, EC1R 4UG | Aug 2002 | £445,000 | Flat / maisonette | Leasehold |