| 1 Second Street, Blackhall Colliery, Hartlepool | Freehold | 80 m² | £79,999 (2022) |
| 2 Second Street, Blackhall Colliery, Hartlepool | - | 62 m² | - |
| 3 Second Street, Blackhall Colliery, Hartlepool | Freehold | 87 m² | £57,500 (2026) |
| 4 Second Street, Blackhall Colliery, Blackhall Colliery | Freehold | 69 m² | £46,500 (2021) |
| 5, Second Street, Blackhall Colliery, Hartlepool | Freehold | 73 m² | £39,500 (2022) |
| 6, Second Street, Blackhall Colliery, Hartlepool | Freehold | 65 m² | £55,000 (2009) |
| 8 Second Street, Blackhall Colliery, Hartlepool | - | 69 m² | - |
| 9 Second Street, Blackhall Colliery, Hartlepool | Freehold | 89 m² | £57,000 (2006) |
| 11 Second Street, Blackhall Colliery, Hartlepool | Freehold | 80 m² | £39,500 (2021) |
| 12 Second Street, Blackhall Colliery, Hartlepool | Freehold | 69 m² | £31,000 (2022) |
| 13 Second Street, Blackhall Colliery, Hartlepool | Freehold | 75 m² | £21,000 (2017) |
| 14 Second Street, Blackhall Colliery, Hartlepool | Freehold | 68 m² | £20,125 (2016) |
| 15 Second Street, Blackhall Colliery, Hartlepool | Freehold | 72 m² | £36,000 (2024) |
| 16, Second Street, Blackhall Colliery, Hartlepool | - | 67 m² | - |
| 17 Second Street, Blackhall Colliery, Hartlepool | Freehold | 73 m² | £52,500 (2005) |
| 18 Second Street, Blackhall Colliery, Hartlepool | - | 62 m² | - |
| 19 Second Street, Blackhall Colliery, Hartlepool | Freehold | 73 m² | £36,500 (2017) |
| 20 Second Street, Blackhall Colliery, Hartlepool | Freehold | 61 m² | £34,000 (2016) |
| 21, Second Street, Blackhall Colliery, Hartlepool | Freehold | 71 m² | £92,000 (2017) |
| 22, Second Street, Blackhall Colliery, Hartlepool | Freehold | 61 m² | £34,000 (2020) |
| 23, Second Street, Blackhall Colliery, Hartlepool | Freehold | 73 m² | £58,000 (2006) |
| 24 Second Street, Blackhall Colliery, Hartlepool | Freehold | 69 m² | £27,000 (2021) |
| 25 Second Street, Blackhall Colliery, Hartlepool | Freehold | 74 m² | £16,950 (2000) |
| 26, Second Street, Blackhall Colliery, Hartlepool | Freehold | 69 m² | £51,500 (2025) |
| 27, Second Street, Blackhall Colliery, Hartlepool | Freehold | 75 m² | £46,000 (2020) |
| 28 Second Street, Blackhall Colliery, Hartlepool | Freehold | 74 m² | £40,000 (2010) |
| 29 Second Street, Blackhall Colliery, Hartlepool | Freehold | 74 m² | £26,000 (2017) |
| 30 Second Street, Blackhall Colliery, Hartlepool | - | 67 m² | - |
| 31, Second Street, Blackhall Colliery, Hartlepool | Freehold | 66 m² | £23,500 (2017) |