| 21 Northumberland Street, Cardiff, CF5 1LZ | Jul 2022 | £360,000 | Terraced | Freehold |
| 19 Northumberland Street, Cardiff, CF5 1LZ | Jan 2022 | £362,500 | Terraced | Freehold |
| 41A Northumberland Street, Cardiff, CF5 1LZ | May 2019 | £150,000 | Other property | Freehold |
| 23 Northumberland Street, Cardiff, CF5 1LZ | May 2017 | £256,500 | Terraced | Freehold |
| 33 Northumberland Street, Cardiff, CF5 1LZ | Nov 2016 | £279,950 | Terraced | Freehold |
| 9 Northumberland Street, Cardiff, CF5 1LZ | Aug 2016 | £252,000 | Terraced | Freehold |
| 25 Northumberland Street, Cardiff, CF5 1LZ | Oct 2015 | £260,000 | Terraced | Freehold |
| 7 Northumberland Street, Cardiff, CF5 1LZ | Aug 2015 | £180,000 | Terraced | Freehold |
| 11 Northumberland Street, Cardiff, CF5 1LZ | Jul 2015 | £247,500 | Terraced | Freehold |
| 15 Northumberland Street, Cardiff, CF5 1LZ | Mar 2013 | £228,000 | Terraced | Freehold |
| 39 Northumberland Street, Cardiff, CF5 1LZ | Jul 2009 | £205,000 | Terraced | Freehold |
| 41 Northumberland Street, Cardiff, CF5 1LZ | Nov 2008 | £213,000 | Semi-detached | Freehold |
| 29 Northumberland Street, Cardiff, CF5 1LZ | Apr 2004 | £175,000 | Terraced | Freehold |
| 1B Northumberland Street, Cardiff, CF5 1LZ | Mar 2000 | £67,000 | Terraced | Freehold |
| 17 Northumberland Street, Cardiff, CF5 1LZ | Jan 2000 | £89,950 | Detached | Freehold |
| 1C Northumberland Street, Cardiff, CF5 1LZ | Oct 1999 | £68,450 | Terraced | Freehold |
| 1A Northumberland Street, Cardiff, CF5 1LZ | Jun 1997 | £40,000 | Terraced | Freehold |
| 1D Northumberland Street, Cardiff, CF5 1LZ | Nov 1996 | £56,000 | Terraced | Freehold |
| 13 Northumberland Street, Cardiff, CF5 1LZ | Dec 1995 | £57,500 | Terraced | Freehold |