| 2 Northumberland Street, Peterlee | - | 65 m² | - |
| 3, Northumberland Street, Peterlee | - | 70 m² | - |
| 4 Northumberland Street, Horden, Peterlee | Freehold | 56 m² | £57,000 (2023) |
| 5 Northumberland Street, Horden, Peterlee | - | 55 m² | - |
| 6, Northumberland Street, Horden, Peterlee | Freehold | 57 m² | £40,000 (2020) |
| 8 Northumberland Street, Horden, Peterlee | - | 55 m² | - |
| 9, Northumberland Street, Peterlee | - | 68 m² | - |
| 10, Northumberland Street, Horden, Peterlee | Freehold | 58 m² | £57,000 (2025) |
| 11 Northumberland Street, Horden, Peterlee | - | 55 m² | - |
| 12 Northumberland Street, Horden, Peterlee | - | 55 m² | - |
| 13 Northumberland Street, Horden, Peterlee | - | 55 m² | - |
| 14 Northumberland Street, Horden, Peterlee | Freehold | 55 m² | £72,500 (2021) |
| 15 Northumberland Street, Horden, Peterlee | - | 55 m² | - |
| 16 Northumberland Street, Horden, Peterlee | - | 55 m² | - |
| 17 Northumberland Street, Horden, Peterlee | - | 55 m² | - |
| 19 Northumberland Street, Horden, Peterlee | - | 55 m² | - |
| 21 Northumberland Street, Horden, Peterlee | - | 55 m² | - |
| 22 Northumberland Street, Horden, Peterlee | Freehold | 66 m² | £77,000 (2023) |
| 23 Northumberland Street, Horden, Peterlee | - | 55 m² | - |
| 24 Northumberland Street, Horden, Peterlee | - | 55 m² | - |
| 25, Northumberland Street, Peterlee | - | 70 m² | - |
| 26, Northumberland Street, Peterlee | Freehold | 57 m² | £65,000 (2004) |
| 28 Northumberland Street, Horden, Peterlee | - | 55 m² | - |
| 29, Northumberland Street, Peterlee | Freehold | 78 m² | £72,000 (2005) |
| 30 Northumberland Street, Horden, Peterlee | Freehold | 57 m² | £60,000 (2009) |
| 31, Northumberland Street, Peterlee | Freehold | 58 m² | £49,000 (2003) |
| 32 Northumberland Street, Horden, Peterlee | - | 55 m² | - |
| 33 Northumberland Street, Horden, Peterlee | Freehold | 54 m² | £65,000 (2025) |
| 34 Northumberland Street, Horden, Peterlee | Freehold | 54 m² | £45,000 (2002) |
| 35, Northumberland Street, Peterlee | Freehold | 55 m² | £10,000 (2005) |
| 37 Northumberland Street, Horden, Horden | Freehold | 57 m² | £55,000 (2021) |
| 38, Northumberland Street, Horden, Peterlee | Freehold | 60 m² | £79,950 (2022) |
| 39 Northumberland Street, Horden, Peterlee | - | 55 m² | - |
| 42 Northumberland Street, Horden, Peterlee | Freehold | 74 m² | £101,000 (2023) |
| 43 Northumberland Street, Horden, Peterlee | - | 55 m² | - |
| 44 Northumberland Street, Horden, Peterlee | - | 55 m² | - |
| 45 Northumberland Street, Horden, Peterlee | Freehold | 35 m² | £75,000 (2007) |
| 46 Northumberland Street, Horden, Peterlee | Freehold | 54 m² | £48,500 (2021) |
| 47 Northumberland Street, Horden, Peterlee | Freehold | 49 m² | £69,000 (2022) |
| 48 Northumberland Street, Horden, Peterlee | Freehold | 53 m² | £60,000 (2021) |
| 49 Northumberland Street, Horden, Peterlee | - | 55 m² | - |
| 51 Northumberland Street, Horden, Peterlee | - | 55 m² | - |
| 53 Northumberland Street, Horden, Peterlee | Freehold | 60 m² | £55,000 (2010) |
| 54 Northumberland Street, Horden, Peterlee | - | 55 m² | - |
| 55 Northumberland Street, Horden, Peterlee | Freehold | 48 m² | £40,000 (2022) |
| 56 Northumberland Street, Horden, Peterlee | - | 55 m² | - |
| 57, Northumberland Street, Horden, Peterlee | Freehold | 48 m² | £55,000 (2018) |
| 59 Northumberland Street, Horden, Peterlee | Freehold | 60 m² | £50,000 (2024) |
| 60 Northumberland Street, Horden, Peterlee | - | 55 m² | - |
| 61 Northumberland Street, Horden, Peterlee | Freehold | 48 m² | £70,000 (2024) |
| 62 Northumberland Street, Horden, Peterlee | - | 55 m² | - |
| Flat, Box Clever Training Centre, Northumberland Street, Horden | - | 82 m² | - |