| 1, Hertford Street, Blackburn | Freehold | 115 m² | £44,500 (2015) |
| 2, Hertford Street, Blackburn | Freehold | 77 m² | £65,000 (2023) |
| 3, Hertford Street, Blackburn | Freehold | 82 m² | £59,000 (2021) |
| 4 Hertford Street, Blackburn | - | 67 m² | - |
| 5 Hertford Street, Blackburn | Freehold | 80 m² | £43,000 (2017) |
| 6, Hertford Street, Blackburn | Freehold | 72 m² | £66,000 (2023) |
| 7, Hertford Street, Blackburn | Freehold | 89 m² | £47,500 (2019) |
| 9, Hertford Street, Blackburn | Freehold | 84 m² | £64,500 (2022) |
| 10, Hertford Street, Blackburn | - | 81 m² | - |
| 11 Hertford Street, Blackburn | - | 79 m² | - |
| 12, Hertford Street, Blackburn | Freehold | 76 m² | £47,000 (2017) |
| 13, Hertford Street, Blackburn | Freehold | 81 m² | £39,999 (2016) |
| 14 Hertford Street, Blackburn | - | 78 m² | - |
| 15, Hertford Street, Blackburn | Freehold | 77 m² | £48,000 (2019) |
| 16, Hertford Street, Blackburn | Freehold | 78 m² | £67,500 (2019) |
| 17, Hertford Street, Blackburn | Freehold | 81 m² | £60,000 (2023) |
| 19, Hertford Street, Blackburn | Freehold | 76 m² | £64,500 (2022) |
| 20 Hertford Street, Blackburn | Freehold | 74 m² | £28,995 (1999) |
| 21, Hertford Street, Blackburn | Freehold | 78 m² | £46,000 (2019) |
| 22 Hertford Street, Blackburn, Blackburn | Freehold | 80 m² | £50,000 (2021) |
| 23 Hertford Street, Blackburn | Freehold | 88 m² | £71,000 (2022) |
| 24 Hertford Street, Blackburn | - | 78 m² | - |
| 25, Hertford Street, Blackburn | - | 87 m² | - |
| 26, Hertford Street, Blackburn | - | 81 m² | - |
| 28 Hertford Street, Blackburn | Leasehold | 62 m² | £57,080 (2018) |
| 29, Hertford Street, Blackburn | Leasehold | 109 m² | £111,000 (2016) |
| 32 Hertford Street, Blackburn | Leasehold | 58 m² | £75,000 (2018) |
| 33 Hertford Street, Blackburn | Leasehold | 85 m² | £130,000 (2022) |
| 34, Hertford Street, Blackburn | Leasehold | 66 m² | £65,000 (2017) |
| 38, Hertford Street, Blackburn | Leasehold | 67 m² | £59,995 (2016) |
| 39, Hertford Street, Blackburn | Leasehold | 86 m² | £95,000 (2007) |
| 41 Hertford Street, Blackburn | Leasehold | 85 m² | £77,000 (2024) |
| 42, Hertford Street, Blackburn | Leasehold | 66 m² | £85,000 (2005) |
| 44 Hertford Street, Blackburn | Leasehold | 72 m² | £91,500 (2026) |
| 46 Hertford Street, Blackburn | Leasehold | 66 m² | £130,000 (2024) |
| 48 Hertford Street, Blackburn | Leasehold | 68 m² | £109,000 (2007) |
| 50 Hertford Street, Blackburn | Leasehold | 66 m² | £97,000 (2024) |
| 52, Hertford Street, Blackburn | - | 70 m² | - |
| 54, Hertford Street, Blackburn | Leasehold | 96 m² | £24,950 (1996) |