| 99 Robert Street, Ynysybwl, Pontypridd | - | 93 m² | - |
| 101, Robert Street, Ynysybwl, Pontypridd | - | 79 m² | - |
| 103 Robert Street, Ynysybwl, Pontypridd | - | 88 m² | - |
| 111, Robert Street, Ynysybwl, Pontypridd | Freehold | 118 m² | £75,500 (2010) |
| 125 Robert Street, Ynysybwl, Pontypridd | Freehold | 78 m² | £86,000 (2006) |
| 127, Robert Street, Ynysybwl, Pontypridd | Freehold | 80 m² | £57,000 (2012) |
| 129, Robert Street, Ynysybwl, Pontypridd | Freehold | 88 m² | £57,500 (2015) |
| 131, Robert Street, Ynysybwl, Pontypridd | Freehold | 83 m² | £116,000 (2023) |
| 139 Robert Street, Ynysybwl, Pontypridd | Freehold | 88 m² | £72,500 (2020) |
| 143, Robert Street, Ynysybwl, Pontypridd | Freehold | 91 m² | £54,000 (2017) |
| 149 Robert Street, Ynysybwl, Pontypridd | Freehold | 92 m² | £73,500 (2005) |
| 151, Robert Street, Ynysybwl, Pontypridd | Freehold | 79 m² | £63,000 (2014) |
| 153, Robert Street, Ynysybwl, Pontypridd | Freehold | 92 m² | £72,000 (2015) |
| 157 Robert Street, Ynysybwl, Pontypridd | - | 87 m² | - |
| 159, Robert Street, Ynysybwl, Pontypridd | Freehold | 77 m² | £80,000 (2017) |
| 161, Robert Street, Ynysybwl, Pontypridd | Freehold | 85 m² | £62,500 (2019) |
| 163 Robert Street, Ynysybwl, Pontypridd | Freehold | 103 m² | £78,000 (2022) |
| 165, Robert Street, Ynysybwl, Pontypridd | Freehold | 79 m² | £55,000 (2009) |
| 169, Robert Street, Ynysybwl, Pontypridd | Freehold | 87 m² | £120,000 (2023) |
| 171, Robert Street, Ynysybwl, Pontypridd | Freehold | 76 m² | £78,000 (2014) |
| 175 Robert Street, Ynysybwl, Pontypridd | Freehold | 103 m² | £115,000 (2026) |
| Aelwyd, Robert Street, Ynysybwl, Pontypridd | Freehold | 298 m² | £249,995 (2015) |