| 2, Trevallen Avenue, Neath | Freehold | 105 m² | £180,000 (2021) |
| 4, Trevallen Avenue, Neath | - | 78 m² | - |
| 6, Trevallen Avenue, Neath | Freehold | 90 m² | £120,000 (2016) |
| 8, Trevallen Avenue, Neath | Freehold | 77 m² | £89,000 (2013) |
| 16 Trevallen Avenue, Neath | - | 67 m² | - |
| 18 Trevallen Avenue, Neath | Freehold | 73 m² | £160,000 (2025) |
| 24 Trevallen Avenue, Neath | Freehold | 118 m² | £283,000 (2024) |
| 34, Trevallen Avenue, Neath | - | 148 m² | - |
| 38, Trevallen Avenue, Neath | - | 94 m² | - |
| 40 Trevallen Avenue, Neath | Freehold | 100 m² | £280,000 (2022) |
| 44, Trevallen Avenue, Neath | Freehold | 80 m² | £102,500 (2015) |
| 52 Trevallen Avenue, Neath | Freehold | 74 m² | £160,000 (2024) |
| 56 Trevallen Avenue, Neath | - | 75 m² | - |
| 60, Trevallen Avenue, Neath | Freehold | 74 m² | £120,000 (2020) |
| 66, Trevallen Avenue, Neath | Freehold | 75 m² | £105,000 (2018) |
| 68, Trevallen Avenue, Neath | Leasehold | 75 m² | £160,000 (2021) |
| 72, Trevallen Avenue, Neath | Freehold | 74 m² | £160,000 (2025) |
| 74, Trevallen Avenue, Neath | Freehold | 73 m² | £125,000 (2014) |
| 76, Trevallen Avenue, Neath | Freehold | 78 m² | £136,000 (2020) |
| 78, Trevallen Avenue, Neath | Freehold | 77 m² | £114,950 (2016) |