| Flat 1, Hartington House, 4 Drummond Gate, London | Leasehold | 68 m² | £520,000 (2025) |
| Flat 2, Hartington House, 4 Drummond Gate, London | Leasehold | 50 m² | £123,000 (1996) |
| Flat 3 Hartington House, 4, Drummond Gate, London | Leasehold | 49 m² | £245,000 (2006) |
| Flat 4, Hartington House, 4 Drummond Gate, London | Leasehold | 52 m² | £265,000 (2002) |
| Flat 5, Hartington House, 4 Drummond Gate, London | - | 88 m² | - |
| Flat 7, Hartington House, 4 Drummond Gate, London | Leasehold | 127 m² | £1,500,000 (2024) |
| Flat 8 Hartington House, 4, Drummond Gate, London | Leasehold | 125 m² | £1,600,000 (2023) |
| Flat 9 Hartington House, 4, Drummond Gate, London | Leasehold | 84 m² | £380,000 (2003) |
| Flat 12 Hartington House, 4, Drummond Gate, London | Leasehold | 85 m² | £1,150,000 (2021) |
| Flat 14, Hartington House, 4 Drummond Gate, London | - | 83 m² | - |
| Flat 15 Hartington House, 4, Drummond Gate, London | Leasehold | 83 m² | £885,000 (2016) |
| Flat 16 Hartington House, 4, Drummond Gate, London | Leasehold | 125 m² | £1,510,000 (2014) |
| Flat 17 Hartington House, 4, Drummond Gate, London | Leasehold | 128 m² | £1,770,000 (2020) |
| Flat 19 Hartington House, 4, Drummond Gate, London | - | 84 m² | - |
| Flat 20 Hartington House, 4, Drummond Gate, London | Leasehold | 80 m² | £1,045,000 (2024) |
| Flat 21, Hartington House, 4 Drummond Gate, London | - | 76 m² | - |
| Flat 22, Hartington House, 4 Drummond Gate, London | Leasehold | 153 m² | £1,200,000 (2008) |
