| 1 Park Avenue, Blackhall Colliery, Hartlepool | - | 61 m² | - |
| 3, Park Avenue, Blackhall Colliery, Hartlepool | Freehold | 62 m² | £79,500 (2007) |
| 4 Park Avenue, Blackhall Colliery, Hartlepool | Freehold | 58 m² | £45,000 (2012) |
| 5 Park Avenue, Blackhall Colliery, Hartlepool | - | 61 m² | - |
| 6 Park Avenue, Blackhall Colliery, Hartlepool | - | 60 m² | - |
| 8 Park Avenue, Blackhall Colliery, Hartlepool | Freehold | 59 m² | £69,000 (2021) |
| 9 Park Avenue, Blackhall Colliery, Hartlepool | - | 60 m² | - |
| 10, Park Avenue, Blackhall Colliery, Hartlepool | Freehold | 58 m² | £84,000 (2025) |
| 11 Park Avenue, Blackhall Colliery, Hartlepool | - | 61 m² | - |
| 12, Park Avenue, Blackhall Colliery, Hartlepool | - | 58 m² | - |
| 13, Park Avenue, Blackhall Colliery, Hartlepool | Freehold | 60 m² | £53,000 (2017) |
| 14, Park Avenue, Blackhall Colliery, Hartlepool | Freehold | 57 m² | £31,000 (2001) |
| 15 Park Avenue, Blackhall Colliery, Hartlepool | - | 58 m² | - |
| 16, Park Avenue, Blackhall Colliery, Hartlepool | Freehold | 58 m² | £93,500 (2009) |
| 17 Park Avenue, Blackhall Colliery, Hartlepool | - | 60 m² | - |
| 18, Park Avenue, Blackhall Colliery, Hartlepool | Freehold | 64 m² | £24,950 (1998) |
| 19 Park Avenue, Blackhall Colliery, Hartlepool | - | 58 m² | - |
| 20, Park Avenue, Blackhall Colliery, Hartlepool | Freehold | 59 m² | £64,000 (2015) |
| 21 Park Avenue, Blackhall Colliery, Hartlepool | - | 58 m² | - |
| 22 Park Avenue, Blackhall Colliery, Hartlepool | Freehold | 64 m² | £65,000 (2009) |
| 23 Park Avenue, Blackhall Colliery, Hartlepool | Freehold | 61 m² | £68,500 (2008) |
| 25, Park Avenue, Blackhall Colliery, Hartlepool | Freehold | 60 m² | £70,000 (2018) |
| 26, Park Avenue, Blackhall Colliery, Hartlepool | Freehold | 58 m² | £53,000 (2019) |
| 27, Park Avenue, Blackhall Colliery, Hartlepool | Freehold | 60 m² | £79,950 (2014) |
| 30, Park Avenue, Blackhall Colliery, Hartlepool | Freehold | 88 m² | £90,000 (2021) |