| Flat 5 Osborne House, Grosvenor Square, Southampton | Leasehold | 115 m² | £315,000 (2021) |
| Flat 6, Osborne House, Grosvenor Square, Southampton | Leasehold | 89 m² | £200,000 (2005) |
| Flat 7, Osborne House, Grosvenor Square, Southampton | Leasehold | 99 m² | £292,500 (2023) |
| Flat 8 Osborne House, Grosvenor Square, Southampton | Leasehold | 104 m² | £285,000 (2022) |
| Flat 9 Osborne House, Grosvenor Square, Southampton | Leasehold | 97 m² | £248,000 (2019) |
| Flat 10 Osborne House, Grosvenor Square, Southampton | Leasehold | 81 m² | £270,000 (2026) |
| Flat 13 Osborne House, Grosvenor Square, Southampton | Leasehold | 98 m² | £275,000 (2024) |
| Flat 14 Osborne House, Grosvenor Square, Southampton | Leasehold | 98 m² | £265,000 (2018) |
| Flat 15, Osborne House, Grosvenor Square, Southampton | Leasehold | 94 m² | £212,500 (2005) |
| Flat 16, Osborne House, Grosvenor Square, Southampton | Leasehold | 103 m² | £325,000 (2024) |
| Flat 17 Osborne House, Grosvenor Square, Southampton | Leasehold | 80 m² | £280,000 (2019) |
| Flat 18 Osborne House, Grosvenor Square, Southampton | Leasehold | 85 m² | £210,000 (2007) |
| Flat 19, Osborne House, Grosvenor Square, Southampton | Leasehold | 88 m² | £285,000 (2024) |
| Flat 20 Osborne House, Grosvenor Square, Southampton | Leasehold | 86 m² | £252,000 (2019) |
| Flat 21, Osborne House, Grosvenor Square, Southampton | Leasehold | 86 m² | £210,000 (2004) |
| Flat 23 Osborne House, Grosvenor Square, Southampton | Leasehold | 88 m² | £283,000 (2025) |
| Flat 25 Osborne House, Grosvenor Square, Southampton | Leasehold | 71 m² | £222,500 (2015) |
| Flat 26, Osborne House, Grosvenor Square, Southampton | Leasehold | 93 m² | £220,000 (2017) |
| Flat 28, Osborne House, Grosvenor Square, Southampton | Leasehold | 91 m² | £250,000 (2025) |
| Flat 29 Osborne House, Grosvenor Square, Southampton | Leasehold | 95 m² | £209,000 (2021) |
| Flat 30, Osborne House, Grosvenor Square, Southampton | Leasehold | 77 m² | £200,000 (2007) |
| Flat 31 Osborne House, Grosvenor Square, Southampton | Leasehold | 87 m² | £215,000 (2007) |
| Flat 33 Osborne House, Grosvenor Square, Southampton | Leasehold | 85 m² | £240,000 (2019) |
| Flat 35, Osborne House, Grosvenor Square, Southampton | Leasehold | 101 m² | £250,000 (2023) |
| Flat 36 Osborne House, Grosvenor Square, Southampton | Leasehold | 95 m² | £235,000 (2019) |
| Flat 37 Osborne House, Grosvenor Square, Southampton | Leasehold | 73 m² | £262,500 (2021) |
| Flat 38 Osborne House, Grosvenor Square, Southampton | Leasehold | 82 m² | £240,000 (2020) |
| Flat 39 Osborne House, Grosvenor Square, Southampton | Leasehold | 45 m² | £54,000 (1995) |
| Flat 40, Osborne House, Grosvenor Square, Southampton | - | 45 m² | - |
| Flat 41, Osborne House, Grosvenor Square, Southampton | Leasehold | 45 m² | £200,000 (2025) |
| Flat 42, Osborne House, Grosvenor Square, Southampton | Leasehold | 43 m² | £51,950 (1997) |
