| Flat 1, The Hydra Building, 10 Hardwick Street, London | Leasehold | 41 m² | £349,950 (2007) |
| Flat 3, The Hydra Building, 10 Hardwick Street, London | Leasehold | 61 m² | £735,000 (2018) |
| Flat 4, The Hydra Building, 10 Hardwick Street, London | Leasehold | 60 m² | £695,000 (2022) |
| Flat 5, The Hydra Building, 10 Hardwick Street, London | Leasehold | 40 m² | £500,000 (2022) |
| Flat 7 The Hydra Building, 10, Hardwick Street, London | Leasehold | 48 m² | £320,000 (2002) |
| Flat 8 The Hydra Building, 10, Hardwick Street, London | Leasehold | 64 m² | £695,000 (2022) |
| Flat 9, The Hydra Building, 10 Hardwick Street, London | Leasehold | 41 m² | £350,000 (2007) |
| Flat 10 The Hydra Building, 10, Hardwick Street, London | Leasehold | 88 m² | £630,000 (2010) |
| Flat 11, The Hydra Building, 10 Hardwick Street, London | Leasehold | 60 m² | £753,000 (2014) |
| Flat 12, The Hydra Building, 10 Hardwick Street, London | Leasehold | 65 m² | £825,000 (2018) |
| Flat 13, The Hydra Building, 10 Hardwick Street, London | Leasehold | 45 m² | £392,000 (2011) |
| Flat 15, The Hydra Building, 10 Hardwick Street, London | Leasehold | 96 m² | £495,000 (2002) |
| Flat 16, The Hydra Building, 10 Hardwick Street, London | Leasehold | 49 m² | £275,000 (2002) |
| Flat 17, The Hydra Building, 10 Hardwick Street, London | Leasehold | 89 m² | £606,000 (2007) |
| Flat 24 The Hydra Building, 10, Hardwick Street, London | - | 64 m² | - |
| Flat 28, The Hydra Building, 10 Hardwick Street, London | - | 68 m² | - |
| Flat 30 The Hydra Building, 10, Hardwick Street, London | - | 86 m² | - |
| Flat 31 The Hydra Building, 10, Hardwick Street, London | - | 46 m² | - |
| Flat 32, The Hydra Building, 10 Hardwick Street, London | - | 57 m² | - |
| Flat 34 The Hydra Building, 10, Hardwick Street, London | - | 73 m² | - |
| Flat 35 The Hydra Building, 10, Hardwick Street, London | - | 69 m² | - |
| Flat 36, The Hydra Building, 10 Hardwick Street, London | - | 47 m² | - |
