| 4, Heol Y Ffynnon, Efail Isaf, Pontypridd | Freehold | 126 m² | £238,500 (2019) |
| 6, Heol Y Ffynnon, Efail Isaf, Pontypridd | - | 149 m² | - |
| 7, Heol Y Ffynnon, Efail Isaf, Pontypridd | Freehold | 64 m² | £210,000 (2021) |
| 9, Heol Y Ffynnon, Efail Isaf, Pontypridd | - | 53 m² | - |
| 10, Heol Y Ffynnon, Efail Isaf, Pontypridd | Freehold | 88 m² | £220,000 (2012) |
| 15, Heol Y Ffynnon, Efail Isaf, Pontypridd | Freehold | 109 m² | £265,000 (2018) |
| 17, Heol Y Ffynnon, Efail Isaf, Pontypridd | Freehold | 120 m² | £245,000 (2012) |
| 18 Heol Y Ffynnon, Efail Isaf, Pontypridd | Freehold | 92 m² | £335,000 (2022) |
| 21 Heol Y Ffynnon, Efail Isaf, Pontypridd | - | 123 m² | - |
| 22, Heol Y Ffynnon, Efail Isaf, Pontypridd | Freehold | 134 m² | £228,500 (2017) |
| 23, Heol Y Ffynnon, Efail Isaf, Pontypridd | Freehold | 91 m² | £204,000 (2012) |
| 24, Heol Y Ffynnon, Efail Isaf, Pontypridd | Freehold | 242 m² | £290,000 (2018) |
| 26, Heol Y Ffynnon, Efail Isaf, Pontypridd | Freehold | 103 m² | £185,000 (2017) |
| 27, Heol Y Ffynnon, Efail Isaf, Pontypridd | Freehold | 94 m² | £250,000 (2021) |
| 28, Heol Y Ffynnon, Efail Isaf, Pontypridd | Freehold | 84 m² | £210,500 (2021) |
| 31, Heol Y Ffynnon, Efail Isaf, Pontypridd | - | 159 m² | - |
| 35 Heol Y Ffynnon, Efail Isaf, Pontypridd | Freehold | 122 m² | £300,000 (2024) |
| 37 Heol-Y-Ffynnon, Efail Isaf, Efail Isaf | Freehold | 117 m² | £260,000 (2020) |
| 38, Heol Y Ffynnon, Efail Isaf, Pontypridd | - | 75 m² | - |
| 40, Heol Y Ffynnon, Efail Isaf, Pontypridd | Freehold | 62 m² | £235,000 (2012) |
| 41, Heol Y Ffynnon, Efail Isaf, Pontypridd | - | 126 m² | - |
| 44 Heol Y Ffynnon, Efail Isaf, Pontypridd | Freehold | 189 m² | £590,000 (2023) |
| 45 Heol Y Ffynnon, Efail Isaf, Pontypridd | - | 119 m² | - |
| 46 Heol Y Ffynnon, Efail Isaf, Pontypridd | Freehold | 96 m² | £131,000 (2006) |
| 47 Heol Y Ffynnon, Efail Isaf, Pontypridd | Freehold | 116 m² | £335,000 (2024) |
| 49 Heol Y Ffynnon, Efail Isaf, Pontypridd | Freehold | 124 m² | £181,000 (2014) |
| 51, Heol Y Ffynnon, Efail Isaf, Pontypridd | - | 66 m² | - |
| 53, Heol Y Ffynnon, Efail Isaf, Pontypridd | Freehold | 142 m² | £285,000 (2018) |
| 57 Heol Y Ffynnon, Efail Isaf, Pontypridd | - | 139 m² | - |
| 59 Heol Y Ffynnon, Efail Isaf, Pontypridd | Freehold | 130 m² | £330,000 (2022) |
| Beeches, Heol Y Ffynnon, Efail Isaf, Pontypridd | Freehold | 253 m² | £490,000 (2013) |
| Post Office, 14 Heol Y Ffynnon, Efail Isaf, Pontypridd | Freehold | 87 m² | £250,000 (2016) |