| 1, Diamond Street, Cardiff | Freehold | 74 m² | £174,000 (2023) |
| 2, Diamond Street, Cardiff | Freehold | 115 m² | £162,500 (2019) |
| 3, Diamond Street, Cardiff | Freehold | 84 m² | £210,000 (2023) |
| 4 Diamond Street, Adamsdown, Cardiff, Cardiff | - | 92 m² | - |
| 5, Diamond Street, Cardiff | Freehold | 99 m² | £125,000 (2011) |
| 7, Diamond Street, Cardiff | Freehold | 128 m² | £86,950 (2002) |
| 8, Diamond Street, Cardiff | Freehold | 111 m² | £133,000 (2010) |
| 9 Diamond Street, Adamsdown, Cardiff, Cardiff | Freehold | 137 m² | £167,000 (2023) |
| 10, Diamond Street, Cardiff | Freehold | 93 m² | £190,000 (2021) |
| 11 Diamond Street, Cardiff | Freehold | 95 m² | £135,000 (2005) |
| 12, Diamond Street, Cardiff | Freehold | 96 m² | £190,000 (2019) |
| 15 Diamond Street, Cardiff | Freehold | 111 m² | £190,000 (2023) |
| 17 Diamond Street, Cardiff | Freehold | 150 m² | £130,000 (2006) |
| 18, Diamond Street, Cardiff | Freehold | 95 m² | £130,000 (2017) |
| 20, Diamond Street, Cardiff | Freehold | 92 m² | £125,000 (2009) |
| 21 Diamond Street, Cardiff | Freehold | 105 m² | £118,000 (2015) |
| 22 Diamond Street, Cardiff | - | 97 m² | - |
| 23, Diamond Street, Cardiff | Freehold | 108 m² | £44,950 (1997) |
| 25, Diamond Street, Cardiff | Freehold | 101 m² | £145,000 (2016) |
| 27, Diamond Street, Cardiff | Freehold | 89 m² | £142,000 (2010) |
| 28 Diamond Street, Cardiff | - | 96 m² | - |
| 31, Diamond Street, Cardiff | Freehold | 99 m² | £122,000 (2011) |
| 33, Diamond Street, Cardiff | - | 68 m² | - |
| 39 Diamond Street, Cardiff | Freehold | 85 m² | £140,000 (2015) |
| First Floor Flat, 29 Diamond Street, Adamsdown, Cardiff | Leasehold | 50 m² | £121,000 (2021) |
| Ground Floor Flat, 29 Diamond Street, Cardiff | Leasehold | 44 m² | £120,000 (2020) |