| 1, Harriet Street, Cardiff | Freehold | 166 m² | £325,000 (2016) |
| 3, Harriet Street, Cardiff | Freehold | 126 m² | £155,000 (2004) |
| 5, Harriet Street, Cardiff | - | 152 m² | - |
| 7, Harriet Street, Cardiff | Freehold | 154 m² | £236,000 (2015) |
| 9, Harriet Street, Cardiff | Freehold | 147 m² | £171,000 (2009) |
| 11, Harriet Street, Cardiff | Freehold | 173 m² | £195,000 (2015) |
| 11A, Harriet Street, Cardiff | Freehold | 124 m² | £67,950 (1997) |
| 17, Harriet Street, Cardiff | - | 112 m² | - |
| 19, Harriet Street, Cardiff | Freehold | 146 m² | £185,000 (2017) |
| 21 Harriet Street, Cardiff | Freehold | 140 m² | £40,710 (1996) |
| 23, Harriet Street, Cardiff | Freehold | 108 m² | £148,000 (2002) |
| 25, Harriet Street, Cardiff | - | 104 m² | - |
| 27, Harriet Street, Cardiff | Freehold | 136 m² | £183,000 (2004) |
| 29, Harriet Street, Cardiff | Freehold | 141 m² | £212,000 (2004) |
| 31 Harriet Street, Cardiff | Freehold | 144 m² | £195,000 (2008) |
| 33 Harriet Street, Cathays, Cardiff, Cardiff | Freehold | 101 m² | £260,000 (2022) |
| 35 Harriet Street, Cardiff | Freehold | 116 m² | £205,000 (2007) |
| 37, Harriet Street, Cardiff | Freehold | 97 m² | £94,950 (2002) |
| 39 Harriet Street, Cardiff | Freehold | 143 m² | £375,000 (2019) |
| Flat 1, 15 Harriet Street, Cardiff | - | 55 m² | - |
| Flat 2, 15 Harriet Street, Cathays, Cardiff | - | 52 m² | - |