| 1 Duddon Close, Peterlee | Freehold | 72 m² | £55,000 (2020) |
| 4 Duddon Close, Peterlee | - | 74 m² | - |
| 5 Duddon Close, Peterlee | - | 62 m² | - |
| 6 Duddon Close, Peterlee | - | 70 m² | - |
| 7 Duddon Close, Peterlee | - | 71 m² | - |
| 9 Duddon Close, Peterlee | Freehold | 71 m² | £80,000 (2022) |
| 10 Duddon Close, Peterlee | - | 70 m² | - |
| 11 Duddon Close, Peterlee | Freehold | 75 m² | £75,999 (2024) |
| 13 Duddon Close, Peterlee | - | 72 m² | - |
| 14, Duddon Close, Peterlee | - | 73 m² | - |
| 15 Duddon Close, Peterlee | - | 73 m² | - |
| 16 Duddon Close, Peterlee | - | 69 m² | - |
| 17, Duddon Close, Peterlee | - | 73 m² | - |
| 18, Duddon Close, Peterlee | Freehold | 76 m² | £39,950 (2018) |
| 19 Duddon Close, Peterlee | Freehold | 71 m² | £40,000 (2023) |
| 20, Duddon Close, Peterlee | - | 73 m² | - |
| 21 Duddon Close, Peterlee | Freehold | 66 m² | £46,000 (2025) |
| 22 Duddon Close, Peterlee | Freehold | 73 m² | £52,000 (2020) |
| 23, Duddon Close, Peterlee | Freehold | 71 m² | £80,500 (2023) |
| 25, Duddon Close, Peterlee | Freehold | 73 m² | £60,000 (2016) |
| 26 Duddon Close, Peterlee | - | 70 m² | - |
| 27 Duddon Close, Peterlee, Peterlee | Freehold | 70 m² | £57,000 (2021) |
| 28 Duddon Close, Peterlee | - | 71 m² | - |
| 29 Duddon Close, Peterlee | - | 72 m² | - |
| 30 Duddon Close, Peterlee | Freehold | 70 m² | £48,500 (2014) |
| 32 Duddon Close, Peterlee | - | 70 m² | - |
| 33, Duddon Close, Peterlee | Freehold | 61 m² | £62,500 (2024) |
| 34, Duddon Close, Peterlee | Freehold | 71 m² | £73,000 (2008) |
| 35 Duddon Close, Peterlee | - | 72 m² | - |
| 38, Duddon Close, Peterlee | - | 84 m² | - |
| 39, Duddon Close, Peterlee | - | 86 m² | - |