| 61A Onslow Square, London | Leasehold | 62 m² | £718,000 (2022) |
| 63, Onslow Square, London | Leasehold | 126 m² | £3,000,000 (2017) |
| 71 Onslow Square, London | Leasehold | 131 m² | £1,090,000 (2005) |
| 75 Onslow Square, London | - | 257 m² | - |
| Flat 1, 61, Onslow Square, London | Leasehold | 143 m² | £5,000,000 (2018) |
| Flat 1, 69, Onslow Square, London | Leasehold | 136 m² | £2,825,000 (2012) |
| Flat 1, 73 Onslow Square, London | Leasehold | 81 m² | £1,732,000 (2024) |
| Flat 2, 69, Onslow Square, London | Leasehold | 135 m² | £5,000,000 (2024) |
| Flat 2, 73, Onslow Square, London | Leasehold | 80 m² | £231,809 (2005) |
| Flat 3, 69 Onslow Square, London | Leasehold | 136 m² | £1,800,000 (2009) |
| Flat 3, 73 Onslow Square, London | Leasehold | 69 m² | £390,000 (2001) |
| Flat 4, 61, Onslow Square, London | Leasehold | 301 m² | £123,500 (1997) |
| Flat 4, 69, Onslow Square, London | - | 128 m² | - |
| Flat 5, 61, Onslow Square, London | Leasehold | 145 m² | £4,100,000 (2015) |
| Flat 6, 69 Onslow Square, London, London | Leasehold | 149 m² | £2,900,000 (2014) |
| Flat 7, 69, Onslow Square, London | Leasehold | 93 m² | £2,601,000 (2010) |
| Flat 8, 61, Onslow Square, London | Leasehold | 124 m² | £2,750,000 (2023) |
| Flat 8, 69, Onslow Square, London | Leasehold | 105 m² | £2,650,000 (2011) |
