| 2 Alnwick Street, Horden, Peterlee | Freehold | 89 m² | £100,000 (2021) |
| 4 Alnwick Street, Horden, Peterlee | Freehold | 86 m² | £75,000 (2023) |
| 10, Alnwick Street, Horden, Peterlee | Freehold | 74 m² | £63,000 (2014) |
| 12 Alnwick Street, Horden, Peterlee | Freehold | 88 m² | £74,200 (2025) |
| 14, Alnwick Street, Horden, Peterlee | Freehold | 119 m² | £37,000 (2000) |
| 16, Alnwick Street, Horden, Peterlee | Freehold | 83 m² | £84,950 (2014) |
| 18, Alnwick Street, Horden, Peterlee | - | 87 m² | - |
| 20, Alnwick Street, Horden, Peterlee | Freehold | 122 m² | £111,000 (2017) |
| 24, Alnwick Street, Horden, Peterlee | Freehold | 80 m² | £57,000 (2011) |
| 26 Alnwick Street, Horden, Peterlee | Freehold | 61 m² | £74,000 (2007) |
| 28, Alnwick Street, Horden, Peterlee | - | 90 m² | - |
| 32, Alnwick Street, Horden, Peterlee | Freehold | 107 m² | £65,000 (2020) |
| 34, Alnwick Street, Horden, Peterlee | - | 79 m² | - |
| 40, Alnwick Street, Horden, Peterlee | - | 107 m² | - |
| 42, Alnwick Street, Horden, Peterlee | - | 85 m² | - |
| 46, Alnwick Street, Horden, Peterlee | Freehold | 80 m² | £89,000 (2026) |
| 48, Alnwick Street, Horden, Peterlee | Freehold | 90 m² | £10,000 (2002) |
| 50 Alnwick Street, Horden, Peterlee | Freehold | 90 m² | £52,000 (2011) |
| 52, Alnwick Street, Horden, Peterlee | Freehold | 74 m² | £80,000 (2017) |
| 54, Alnwick Street, Horden, Peterlee | Freehold | 102 m² | £55,000 (2020) |