| 19 Northumberland Street, Alnmouth, Alnwick, NE66 2RJ | Mar 2025 | £895,000 | Detached | Freehold |
| Flat 1, Letton Lodge, 49 Northumberland Street, Alnmouth, Alnwick, NE66 2RJ | Mar 2025 | £860,000 | Flat / maisonette | Leasehold |
| Letton House, 50 Northumberland Street, Alnmouth, Alnwick, NE66 2RJ | Dec 2022 | £630,000 | Terraced | Freehold |
| Flat 3, Letton Lodge, 49 Northumberland Street, Alnmouth, Alnwick, NE66 2RJ | Mar 2021 | £270,000 | Flat / maisonette | Leasehold |
| 54 Northumberland Street, Alnmouth, Alnwick, NE66 2RJ | Jan 2021 | £268,000 | Terraced | Freehold |
| The Coach House, Letton Lodge Northumberland Street, Alnmouth, Alnwick, NE66 2RJ | May 2019 | £499,950 | Detached | Freehold |
| Flat 2, Letton Lodge, 49 Northumberland Street, Alnmouth, Alnwick, NE66 2RJ | Jul 2018 | £377,500 | Flat / maisonette | Leasehold |
| 18 Northumberland Street, Alnmouth, Alnwick, NE66 2RJ | Nov 2015 | £775,000 | Semi-detached | Freehold |
| 18A Northumberland Street, Alnmouth, Alnwick, NE66 2RJ | Jul 2011 | £220,000 | Detached | Freehold |
| Flat 2, 49 Northumberland Street, Alnmouth, Alnwick, NE66 2RJ | Nov 2010 | £86,400 | Flat / maisonette | Leasehold |
| 21 Northumberland Street, Alnmouth, Alnwick, NE66 2RJ | Aug 2010 | £475,000 | Detached | Freehold |
| Flat 2, Manor House, 55 Northumberland Street, Alnmouth, Alnwick, NE66 2RJ | Feb 2010 | £235,000 | Flat / maisonette | Leasehold |
| 53 Northumberland Street, Alnmouth, Alnwick, NE66 2RJ | Jun 2009 | £245,000 | Terraced | Freehold |
| Flat 1, 49 Northumberland Street, Alnmouth, Alnwick, NE66 2RJ | Sep 2006 | £325,000 | Flat / maisonette | Leasehold |
| 51 Northumberland Street, Alnmouth, Alnwick, NE66 2RJ | Aug 2004 | £249,950 | Semi-detached | Freehold |
| The Red Lion Inn, 22 Northumberland Street, Alnmouth, Alnwick, NE66 2RJ | Aug 2003 | £370,000 | Terraced | Freehold |
| 23 Northumberland Street, Alnmouth, Alnwick, NE66 2RJ | Jul 2001 | £175,000 | Terraced | Freehold |
| 17 Northumberland Street, Alnmouth, Alnwick, NE66 2RJ | Apr 1999 | £200,000 | Terraced | Freehold |
| Flat 1, 55 Northumberland Street, Alnmouth, Alnwick, NE66 2RJ | Apr 1998 | £68,000 | Flat / maisonette | Leasehold |
| Flat 2, 55 Northumberland Street, Alnmouth, Alnwick, NE66 2RJ | Jun 1996 | £73,000 | Flat / maisonette | Leasehold |