| 1 Derwent House, Samuel Street, Preston | Leasehold | 81 m² | £30,000 (2016) |
| 1 Severn House, Samuel Street, Preston | - | 32 m² | - |
| 2 Derwent House, Samuel Street, Preston | Leasehold | 46 m² | £22,500 (2020) |
| 2 Severn House, Samuel Street, Preston | Leasehold | 32 m² | £28,000 (2024) |
| 3 Derwent House, Samuel Street, Preston | Leasehold | 61 m² | £62,000 (2008) |
| 3 Severn House, Samuel Street, Preston | Leasehold | 68 m² | £31,000 (2017) |
| 4 Derwent House, Samuel Street, Preston | Leasehold | 62 m² | £24,000 (2014) |
| 4 Severn House, Samuel Street, Preston | Leasehold | 81 m² | £37,500 (2014) |
| 5 Derwent House, Samuel Street, Preston | Leasehold | 49 m² | £28,500 (2008) |
| 5 Severn House, Samuel Street, Preston | Leasehold | 63 m² | £54,000 (2010) |
| 6 Derwent House, Samuel Street, Preston | Leasehold | 71 m² | £22,500 (2025) |
| 6 Severn House, Samuel Street, Preston | Leasehold | 64 m² | £52,000 (2006) |
| 7 Derwent House, Samuel Street, Preston | Leasehold | 47 m² | £29,000 (2023) |
| 7 Severn House, Samuel Street, Preston | Leasehold | 63 m² | £26,750 (2011) |
| 8 Derwent House, Samuel Street, Preston | Leasehold | 56 m² | £20,000 (2017) |
| 8 Severn House, Samuel Street, Preston | Leasehold | 60 m² | £35,000 (2023) |
| 9 Derwent House, Samuel Street, Preston | Leasehold | 55 m² | £26,500 (2020) |
| 9 Severn House, Samuel Street, Preston | Leasehold | 66 m² | £17,000 (1996) |
| 10 Derwent House, Samuel Street, Preston | Leasehold | 59 m² | £60,000 (2008) |
| 10 Severn House, Samuel Street, Preston | Leasehold | 64 m² | £58,000 (2007) |
| 11 Severn House, Samuel Street, Preston | Leasehold | 75 m² | £59,950 (2006) |
| 12 Derwent House, Samuel Street, Preston | Leasehold | 49 m² | £37,000 (2026) |
| 14 Derwent House, Samuel Street, Preston | Leasehold | 61 m² | £43,000 (2023) |
| 15 Derwent House, Samuel Street, Preston | Leasehold | 55 m² | £44,500 (2014) |
| 16 Derwent House, Samuel Street, Preston | Leasehold | 63 m² | £41,000 (2023) |
| 17 Derwent House, Samuel Street, Preston | Leasehold | 80 m² | £16,500 (2002) |
| 18 Derwent House, Samuel Street, Preston | Leasehold | 46 m² | £22,500 (2020) |
| 21 Derwent House, Samuel Street, Preston | Leasehold | 59 m² | £50,000 (2007) |