| 3, Swyn Y Nant, Thomastown, Tonyrefail, Porth | Freehold | 120 m² | £185,000 (2004) |
| 4, Swyn Y Nant, Thomastown, Tonyrefail, Porth | Freehold | 141 m² | £200,000 (2010) |
| 6 Swyn Y Nant, Thomastown, Tonyrefail, Porth | Freehold | 141 m² | £176,000 (2007) |
| 8 Swyn Y Nant, Thomastown, Tonyrefail, Porth | Freehold | 94 m² | £265,000 (2026) |
| 12, Swyn Y Nant, Thomastown, Tonyrefail, Porth | Freehold | 111 m² | £210,000 (2011) |
| 15, Swyn Y Nant, Thomastown, Tonyrefail, Porth | Freehold | 134 m² | £196,000 (2015) |
| 18, Swyn Y Nant, Thomastown, Tonyrefail, Porth | Freehold | 152 m² | £250,000 (2012) |
| 19, Swyn Y Nant, Thomastown, Tonyrefail, Porth | Freehold | 124 m² | £184,950 (2010) |
| 20, Swyn Y Nant, Thomastown, Tonyrefail, Porth | Freehold | 171 m² | £107,500 (2002) |
| 21, Swyn Y Nant, Thomastown, Tonyrefail, Porth | Freehold | 95 m² | £312,000 (2025) |
| 22 Swyn Y Nant, Thomastown, Tonyrefail, Porth | Freehold | 119 m² | £133,950 (2004) |
| 23, Swyn Y Nant, Thomastown, Tonyrefail, Porth | Freehold | 125 m² | £84,950 (2002) |
| 24, Swyn Y Nant, Thomastown, Tonyrefail, Porth | Freehold | 125 m² | £106,500 (2002) |
| 30 Swyn Y Nant, Thomastown, Tonyrefail, Porth | Freehold | 115 m² | £115,500 (2003) |
| 31 Swyn Y Nant, Thomastown, Tonyrefail, Porth | Freehold | 127 m² | £345,000 (2025) |
| 33 Swyn Y Nant, Thomastown, Tonyrefail, Porth | Freehold | 198 m² | £145,000 (2003) |
| 34 Swyn Y Nant, Thomastown, Tonyrefail, Porth | Freehold | 108 m² | £109,500 (2003) |
| 37, Swyn Y Nant, Thomastown, Tonyrefail, Porth | Freehold | 93 m² | £235,000 (2019) |
| 38, Swyn Y Nant, Thomastown, Tonyrefail, Porth | Freehold | 116 m² | £245,000 (2018) |
| 40, Swyn Y Nant, Thomastown, Tonyrefail, Porth | Freehold | 110 m² | £95,950 (2003) |
| 41, Swyn Y Nant, Thomastown, Tonyrefail, Porth | Freehold | 130 m² | £106,500 (2002) |
| 42, Swyn Y Nant, Thomastown, Tonyrefail, Porth | - | 114 m² | - |
| 47, Swyn Y Nant, Thomastown, Tonyrefail, Porth | Freehold | 135 m² | £215,000 (2015) |
| 48, Swyn Y Nant, Thomastown, Tonyrefail, Porth | Freehold | 123 m² | £242,000 (2014) |
| 49, Swyn Y Nant, Thomastown, Tonyrefail, Porth | Freehold | 124 m² | £240,000 (2020) |
| 52, Swyn Y Nant, Thomastown, Tonyrefail, Porth | Freehold | 131 m² | £279,995 (2018) |
| 54 Swyn Y Nant, Thomastown, Tonyrefail, Porth | Freehold | 184 m² | £300,000 (2022) |
| 55 Swyn Y Nant, Thomastown, Tonyrefail, Porth | Freehold | 106 m² | £295,000 (2025) |
| 56, Swyn Y Nant, Thomastown, Tonyrefail, Porth | Freehold | 114 m² | £175,000 (2014) |
| 58, Swyn Y Nant, Thomastown, Tonyrefail, Porth | Freehold | 91 m² | £72,950 (2002) |
| 62, Swyn Y Nant, Thomastown, Tonyrefail, Porth | Freehold | 78 m² | £71,950 (2002) |
| 63 Swyn Y Nant, Thomastown, Tonyrefail, Porth | Freehold | 85 m² | £260,000 (2025) |
| 64 Swyn Y Nant, Thomastown, Tonyrefail, Porth | Freehold | 84 m² | £72,500 (2001) |