| 1 Alexander Street, Cathays, Cardiff | Freehold | 121 m² | £67,105 (1999) |
| 2A Alexander Street, Cardiff | Freehold | 107 m² | £50,000 (2001) |
| 3, Alexander Street, Cardiff | Freehold | 95 m² | £250,000 (2021) |
| 5 Alexander Street, Cardiff | Freehold | 94 m² | £191,500 (2023) |
| 6, Alexander Street, Cardiff | Freehold | 96 m² | £275,000 (2026) |
| 7, Alexander Street, Cardiff | Freehold | 116 m² | £142,000 (2007) |
| 8, Alexander Street, Cardiff | Freehold | 144 m² | £160,000 (2008) |
| 9 Alexander Street, Cardiff | Freehold | 142 m² | £46,000 (1995) |
| 10 Alexander Street, Cardiff | Freehold | 117 m² | £230,000 (2023) |
| 11 Alexander Street, Cardiff | Freehold | 118 m² | £173,000 (2016) |
| 12, Alexander Street, Cardiff | Freehold | 129 m² | £94,950 (2002) |
| 13 Alexander Street, Cardiff | Freehold | 88 m² | £285,000 (2021) |
| 15, Alexander Street, Cardiff | Freehold | 81 m² | £187,500 (2020) |
| 16, Alexander Street, Cardiff | Freehold | 90 m² | £55,000 (2006) |
| 20 Alexander Street, Cardiff | Freehold | 98 m² | £271,000 (2021) |
| 24 Alexander Street, Cathays, Cardiff, Cardiff | Freehold | 92 m² | £240,000 (2017) |
| 28, Alexander Street, Cardiff | - | 114 m² | - |
| Alexander Cottage, Alexander Street, Cardiff | Freehold | 43 m² | £122,000 (2014) |
| The Lofts, Alexander Street, Cardiff | - | 51 m² | - |
| The Stables, Alexander Street, Cardiff | - | 51 m² | - |