| 16A Robert Street, Cardiff | Freehold | 71 m² | £50,000 (2024) |
| 18 Robert Street, Cathays, Cardiff | Freehold | 77 m² | £212,000 (2019) |
| 20, Robert Street, Cathays, Cardiff | Freehold | 68 m² | £220,000 (2020) |
| 22 Robert Street, Cathays, Cardiff | - | 69 m² | - |
| 24, Robert Street, Cathays, Cardiff | Freehold | 87 m² | £245,000 (2024) |
| 28 Robert Street, Cathays, Cardiff | - | 69 m² | - |
| 30, Robert Street, Cathays, Cardiff | Freehold | 78 m² | £171,500 (2017) |
| 31 Robert Street, Cathays, Cardiff | - | 69 m² | - |
| 32 Robert Street, Cathays, Cardiff | Freehold | 76 m² | £157,000 (2016) |
| 33 Robert Street, Cathays, Cardiff | - | 75 m² | - |
| 34 Robert Street, Cathays, Cardiff, Cardiff | Freehold | 74 m² | £158,000 (2015) |
| 36, Robert Street, Cathays, Cardiff | Freehold | 75 m² | £164,000 (2014) |
| 37 Robert Street, Cathays, Cardiff | Freehold | 121 m² | £193,000 (2021) |
| 38, Robert Street, Cathays, Cardiff | Freehold | 86 m² | £155,000 (2015) |
| 39, Robert Street, Cathays, Cardiff | Freehold | 80 m² | £170,000 (2019) |
| 41, Robert Street, Cathays, Cardiff | Freehold | 66 m² | £210,000 (2023) |
| 42, Robert Street, Cathays, Cardiff | Freehold | 96 m² | £170,000 (2019) |
| 43 Robert Street, Cathays, Cardiff | Freehold | 67 m² | £242,000 (2025) |
| 44 Robert Street, Cathays, Cardiff | Freehold | 73 m² | £220,000 (2021) |
| 45 Robert Street, Cathays, Cardiff | Freehold | 76 m² | £155,000 (2009) |
| 48, Robert Street, Cathays, Cardiff | Freehold | 83 m² | £240,000 (2022) |
| 49 Robert Street, Cathays, Cardiff | Freehold | 106 m² | £500,000 (2026) |
| 51 Robert Street, Cathays, Cardiff | Freehold | 75 m² | £47,500 (1997) |
| 52, Robert Street, Cathays, Cardiff | Freehold | 72 m² | £139,000 (2022) |
| 54, Robert Street, Cathays, Cardiff | Freehold | 74 m² | £44,750 (1995) |
| 55, Robert Street, Cathays, Cardiff | Freehold | 69 m² | £199,950 (2018) |
| 56 Robert Street, Cathays, Cardiff | Freehold | 81 m² | £200,000 (2021) |
| 57 Robert Street, Cathays, Cardiff | Freehold | 96 m² | £245,000 (2022) |
| 59 Robert Street, Cathays, Cardiff | Freehold | 89 m² | £166,000 (2015) |
| 61 Robert Street, Cathays, Cardiff, Cardiff | - | 75 m² | - |
| 62 Robert Street, Cathays, Cardiff | Freehold | 79 m² | £126,500 (2013) |
| 63, Robert Street, Cathays, Cardiff | Freehold | 69 m² | £52,000 (1997) |
| 64, Robert Street, Cathays, Cardiff | Freehold | 84 m² | £180,000 (2017) |
| 65 Robert Street, Cathays, Cardiff | - | 80 m² | - |
| 67, Robert Street, Cathays, Cardiff | Freehold | 74 m² | £83,500 (2001) |
| 69, Robert Street, Cathays, Cardiff | Freehold | 66 m² | £118,050 (2002) |
| 71, Robert Street, Cathays, Cardiff | Freehold | 75 m² | £237,000 (2022) |
| 73, Robert Street, Cathays, Cardiff | - | 88 m² | - |
| Flat 1, 29 Robert Street, Cardiff | - | 26 m² | - |
| Flat 2, 29 Robert Street, Cardiff | - | 23 m² | - |