| 1 Hardwick Street, Blackhall Colliery, Hartlepool | Freehold | 71 m² | £22,500 (2007) |
| 3 Hardwick Street, Blackhall Colliery, Blackhall Colliery | Freehold | 61 m² | £60,000 (2023) |
| 7 Hardwick Street, Blackhall Colliery, Hartlepool | Freehold | 75 m² | £68,000 (2026) |
| 9 Hardwick Street, Blackhall Colliery, Blackhall Colliery | Freehold | 74 m² | £64,000 (2021) |
| 11 Hardwick Street, Blackhall Colliery, Hartlepool | Freehold | 70 m² | £77,500 (2022) |
| 13 Hardwick Street, Blackhall Colliery, Hartlepool | Freehold | 81 m² | £75,000 (2022) |
| 15, Hardwick Street, Blackhall Colliery, Hartlepool | Freehold | 76 m² | £83,000 (2022) |
| 17 Hardwick Street, Blackhall Colliery, Hartlepool | Freehold | 62 m² | £60,000 (2023) |
| 19, Hardwick Street, Blackhall Colliery, Hartlepool | Freehold | 57 m² | £45,000 (2020) |
| 21 Hardwick Street, Blackhall Colliery, Hartlepool | Freehold | 64 m² | £26,000 (2012) |
| 27, Hardwick Street, Blackhall Colliery, Hartlepool | - | 74 m² | - |
| 33 Hardwick Street, Blackhall Colliery, Hartlepool | Freehold | 64 m² | £59,000 (2021) |
| 35 Hardwick Street, Blackhall Colliery, Blackhall Colliery | Freehold | 68 m² | £54,000 (2025) |
| 37, Hardwick Street, Blackhall Colliery, Hartlepool | Freehold | 57 m² | £55,000 (2024) |
| 39 Hardwick Street, Blackhall Colliery, Hartlepool | Freehold | 75 m² | £78,000 (2023) |
| 41, Hardwick Street, Blackhall Colliery, Hartlepool | Freehold | 56 m² | £42,000 (2018) |
| 45, Hardwick Street, Blackhall Colliery, Hartlepool | Freehold | 60 m² | £58,000 (2021) |
| 47, Hardwick Street, Blackhall Colliery, Hartlepool | Freehold | 77 m² | £71,500 (2009) |
| 51 Hardwick Street, Blackhall Colliery, Hartlepool | Freehold | 71 m² | £63,000 (2023) |
| 55 Hardwick Street, Blackhall Colliery, Blackhall Colliery | Freehold | 52 m² | £50,000 (2026) |
| 57 Hardwick Street, Blackhall Colliery, Hartlepool | - | 64 m² | - |
| 59 Hardwick Street, Blackhall Colliery, Hartlepool | Freehold | 70 m² | £54,000 (2021) |
| 61 Hardwick Street, Blackhall Colliery, Hartlepool | Freehold | 63 m² | £60,000 (2023) |
| 63, Hardwick Street, Blackhall Colliery, Hartlepool | Freehold | 65 m² | £37,000 (2013) |
| 65 Hardwick Street, Blackhall Colliery, Hartlepool | Freehold | 62 m² | £53,000 (2024) |
| 69 Hardwick Street, Blackhall Colliery, Hartlepool | Freehold | 41 m² | £43,000 (2022) |
| 71, Hardwick Street, Blackhall Colliery, Hartlepool | Freehold | 103 m² | £91,500 (2023) |
| 81 Hardwick Street, Blackhall Colliery, Hartlepool | Freehold | 66 m² | £80,000 (2023) |
| 83 Hardwick Street, Blackhall Colliery, Hartlepool | Freehold | 64 m² | £85,000 (2024) |
| 87 Hardwick Street, Blackhall Colliery, Hartlepool | Freehold | 91 m² | £62,450 (2021) |
| 89 Hardwick Street, Blackhall Colliery, Hartlepool | - | 53 m² | - |
| 91, Hardwick Street, Blackhall Colliery, Hartlepool | Freehold | 54 m² | £90,000 (2025) |
| 95 Hardwick Street, Blackhall Colliery, Hartlepool | - | 56 m² | - |
| 97 Hardwick Street, Blackhall Colliery, Hartlepool | Freehold | 112 m² | £90,000 (2005) |