| 1 Rosanne House, Bridge Road, Welwyn Garden City, Welwyn Garden City | Leasehold | 41 m² | £240,000 (2021) |
| 2 Rosanne House, Bridge Road, Welwyn Garden City | Leasehold | 93 m² | £550,000 (2018) |
| 3 Rosanne House, Bridge Road, Welwyn Garden City | Leasehold | 86 m² | £525,000 (2022) |
| 4 Rosanne House, Bridge Road, Welwyn Garden City | Leasehold | 47 m² | £202,500 (2009) |
| 5 Rosanne House, Bridge Road, Welwyn Garden City | Leasehold | 106 m² | £590,000 (2020) |
| 6 Rosanne House, Bridge Road, Welwyn Garden City, Welwyn Garden City | Leasehold | 77 m² | £425,000 (2023) |
| 7 Rosanne House, Bridge Road, Welwyn Garden City | Leasehold | 70 m² | £421,000 (2015) |
| 8 Rosanne House, Bridge Road, Welwyn Garden City | Leasehold | 96 m² | £430,000 (2009) |
| 10 Rosanne House, Bridge Road, Welwyn Garden City | Leasehold | 56 m² | £230,000 (2009) |
| 11 Rosanne House, Bridge Road, Welwyn Garden City | - | 85 m² | - |
| 12 Rosanne House, Bridge Road, Welwyn Garden City | - | 70 m² | - |
| 13 Rosanne House, Bridge Road, Welwyn Garden City | Leasehold | 69 m² | £450,000 (2020) |
| 14 Rosanne House, Bridge Road, Welwyn Garden City | Leasehold | 108 m² | £425,000 (2011) |
| 15 Rosanne House, Bridge Road, Welwyn Garden City | Leasehold | 84 m² | £545,000 (2021) |
| 16 Rosanne House, Bridge Road, Welwyn Garden City | - | 57 m² | - |
| 17 Rosanne House, Bridge Road, Welwyn Garden City | Leasehold | 111 m² | £505,000 (2026) |
| 19 Rosanne House, Bridge Road, Welwyn Garden City | Leasehold | 57 m² | £280,000 (2018) |
| 20 Rosanne House, Bridge Road, Welwyn Garden City | Leasehold | 102 m² | £380,000 (2010) |
| 21 Rosanne House, Bridge Road, Welwyn Garden City | - | 88 m² | - |
| 22 Rosanne House, Bridge Road, Welwyn Garden City | Leasehold | 51 m² | £205,000 (2009) |
| 23 Rosanne House, Bridge Road, Welwyn Garden City | Leasehold | 90 m² | £350,000 (2010) |
| 24 Rosanne House, Bridge Road, Welwyn Garden City | Leasehold | 58 m² | £347,000 (2015) |
| Flat 9, Rosanne House, Bridge Road, Welwyn Garden City | Leasehold | 85 m² | £325,000 (2010) |
| Flat 18, Rosanne House, Bridge Road, Welwyn Garden City | Leasehold | 68 m² | £300,000 (2009) |