| 77, Onslow Square, London | - | 213 m² | - |
| 85, Onslow Square, London | - | 112 m² | - |
| Flat 1, 81, Onslow Square, London | Leasehold | 102 m² | £632,000 (2017) |
| Flat 2, 81 Onslow Square, London | - | 159 m² | - |
| Flat 2, 89, Onslow Square, London | Leasehold | 106 m² | £2,500,000 (2017) |
| Flat 3, 89, Onslow Square, London | Leasehold | 123 m² | £2,250,000 (2011) |
| Flat 4, 81 Onslow Square, London | Leasehold | 134 m² | £3,325,000 (2021) |
| Flat 4, 89 Onslow Square, London, London | Leasehold | 106 m² | £2,450,000 (2021) |
| Flat 5, 81 Onslow Square, London, London | Leasehold | 176 m² | £2,200,000 (2006) |
| Flat 6, 81 Onslow Square, London | Leasehold | 126 m² | £3,950,000 (2014) |
| Flat 6, 89, Onslow Square, London | Leasehold | 114 m² | £2,600,000 (2023) |
| Flat 7, 81, Onslow Square, London | Leasehold | 176 m² | £4,250,000 (2015) |
| Flat 7, 89, Onslow Square, London | Leasehold | 101 m² | £1,850,000 (2013) |
| Flat 8, 81 Onslow Square, London | Leasehold | 128 m² | £1,100,000 (2004) |
| Flat 10, 81 Onslow Square, London | Leasehold | 143 m² | £2,500,000 (2025) |
| Flat 10, 89 Onslow Square, London | - | 113 m² | - |
| Flat 11, 89 Onslow Square, London | - | 111 m² | - |
