| 1, Harper Crescent, Longhoughton, Alnwick | Freehold | 155 m² | £360,000 (2020) |
| 2, Harper Crescent, Longhoughton, Alnwick | Freehold | 155 m² | £329,950 (2018) |
| 3, Harper Crescent, Longhoughton, Alnwick | Freehold | 135 m² | £500,000 (2022) |
| 4, Harper Crescent, Longhoughton, Alnwick | Freehold | 175 m² | £460,000 (2021) |
| 5, Harper Crescent, Longhoughton, Alnwick | Freehold | 113 m² | £265,950 (2018) |
| 6, Harper Crescent, Longhoughton, Alnwick | Freehold | 138 m² | £299,950 (2019) |
| 7, Harper Crescent, Longhoughton, Alnwick | Freehold | 135 m² | £319,950 (2018) |
| 8, Harper Crescent, Longhoughton, Alnwick | Freehold | 155 m² | £450,000 (2023) |
| 9, Harper Crescent, Longhoughton, Alnwick | Freehold | 87 m² | £206,950 (2018) |
| 10, Harper Crescent, Longhoughton, Alnwick | Freehold | 172 m² | £379,950 (2019) |
| 11, Harper Crescent, Longhoughton, Alnwick | Freehold | 87 m² | £206,950 (2018) |
| 12, Harper Crescent, Longhoughton, Alnwick | Freehold | 155 m² | £343,950 (2019) |
| 13, Harper Crescent, Longhoughton, Alnwick | - | 65 m² | - |
| 14, Harper Crescent, Longhoughton, Alnwick | Freehold | 138 m² | £430,000 (2025) |
| 15, Harper Crescent, Longhoughton, Alnwick | - | 65 m² | - |
| 16, Harper Crescent, Longhoughton, Alnwick | Freehold | 132 m² | £447,000 (2023) |
| 17, Harper Crescent, Longhoughton, Alnwick | Freehold | 124 m² | £284,950 (2018) |
| 18, Harper Crescent, Longhoughton, Alnwick | Freehold | 135 m² | £322,995 (2020) |
| 19, Harper Crescent, Longhoughton, Alnwick | Freehold | 138 m² | £397,500 (2026) |
| 21, Harper Crescent, Longhoughton, Alnwick | Freehold | 124 m² | £406,000 (2026) |
| 23, Harper Crescent, Longhoughton, Alnwick | Freehold | 87 m² | £206,950 (2018) |
| 25, Harper Crescent, Longhoughton, Alnwick | Freehold | 87 m² | £206,950 (2018) |
| 27, Harper Crescent, Longhoughton, Alnwick | Freehold | 132 m² | £422,500 (2022) |
| 29, Harper Crescent, Longhoughton, Alnwick | Freehold | 138 m² | £309,950 (2019) |
| 31, Harper Crescent, Longhoughton, Alnwick | Freehold | 155 m² | £339,950 (2019) |
| 33, Harper Crescent, Longhoughton, Alnwick | Freehold | 87 m² | £207,950 (2019) |
| 35, Harper Crescent, Longhoughton, Alnwick | Freehold | 87 m² | £260,000 (2024) |
| 37, Harper Crescent, Longhoughton, Alnwick | Freehold | 155 m² | £339,950 (2019) |
| 39, Harper Crescent, Longhoughton, Alnwick | Freehold | 138 m² | £309,950 (2019) |
| 41, Harper Crescent, Longhoughton, Alnwick | Freehold | 135 m² | £319,950 (2019) |
| 43, Harper Crescent, Longhoughton, Alnwick | Freehold | 155 m² | £349,950 (2020) |
| 45, Harper Crescent, Longhoughton, Alnwick | Freehold | 172 m² | £490,000 (2021) |
| 47, Harper Crescent, Longhoughton, Alnwick | Freehold | 138 m² | £308,000 (2020) |
| 49, Harper Crescent, Longhoughton, Alnwick | Freehold | 175 m² | £372,359 (2020) |
| 51, Harper Crescent, Longhoughton, Alnwick | Freehold | 194 m² | £617,000 (2024) |
| 53, Harper Crescent, Longhoughton, Alnwick | Freehold | 175 m² | £399,995 (2020) |