| 1, Trefelin Crescent, Port Talbot | Freehold | 92 m² | £16,060 (2002) |
| 6, Trefelin Crescent, Port Talbot | Freehold | 91 m² | £42,500 (2018) |
| 7 Trefelin Crescent, Port Talbot | - | 88 m² | - |
| 8 Trefelin Crescent, Velindre, Velindre | Freehold | 91 m² | £90,000 (2021) |
| 10, Trefelin Crescent, Port Talbot | - | 97 m² | - |
| 11 Trefelin Crescent, Port Talbot | - | 87 m² | - |
| 12, Trefelin Crescent, Port Talbot | Freehold | 101 m² | £180,000 (2025) |
| 13 Trefelin Crescent, Port Talbot | - | 87 m² | - |
| 15 Trefelin Crescent, Port Talbot | Freehold | 79 m² | £115,000 (2021) |
| 16 Trefelin Crescent, Port Talbot | - | 83 m² | - |
| 17 Trefelin Crescent, Port Talbot | - | 95 m² | - |
| 19, Trefelin Crescent, Port Talbot | - | 95 m² | - |
| 20 Trefelin Crescent, Port Talbot | - | 95 m² | - |
| 23, Trefelin Crescent, Port Talbot | - | 102 m² | - |
| 25, Trefelin Crescent, Port Talbot | - | 92 m² | - |
| 26, Trefelin Crescent, Port Talbot | Freehold | 98 m² | £98,000 (2011) |
| 28 Trefelin Crescent, Port Talbot | Freehold | 90 m² | £186,000 (2026) |
| 29 Trefelin Crescent, Port Talbot | Freehold | 118 m² | £120,000 (2023) |
| 30 Trefelin Crescent, Port Talbot | Freehold | 89 m² | £161,500 (2024) |
| 31, Trefelin Crescent, Port Talbot | Freehold | 93 m² | £70,000 (2013) |
| 32 Trefelin Crescent, Port Talbot | - | 93 m² | - |
| 33, Trefelin Crescent, Port Talbot | - | 99 m² | - |
| 34 Trefelin Crescent, Port Talbot | - | 87 m² | - |
| 35 Trefelin Crescent, Port Talbot | - | 82 m² | - |
| 36 Trefelin Crescent, Port Talbot | - | 86 m² | - |
| 37 Trefelin Crescent, Port Talbot | - | 87 m² | - |
| 38, Trefelin Crescent, Port Talbot | - | 82 m² | - |
| 40, Trefelin Crescent, Port Talbot | Freehold | 63 m² | £45,000 (2002) |
| 42 Trefelin Crescent, Port Talbot | - | 88 m² | - |
