| 1, Nant Y Wiwer, Margam, Port Talbot | Freehold | 74 m² | £135,000 (2013) |
| 3 Nant Y Wiwer, Margam, Port Talbot | - | 74 m² | - |
| 5, Nant Y Wiwer, Margam, Port Talbot | - | 112 m² | - |
| 6, Nant Y Wiwer, Margam, Port Talbot | Freehold | 78 m² | £130,000 (2019) |
| 7 Nant Y Wiwer, Margam, Port Talbot | Freehold | 55 m² | £101,000 (2005) |
| 9 Nant Y Wiwer, Margam, Port Talbot | Freehold | 54 m² | £133,000 (2021) |
| 11 Nant Y Wiwer, Margam, Port Talbot | Freehold | 100 m² | £308,000 (2025) |
| 12, Nant Y Wiwer, Margam, Port Talbot | Freehold | 65 m² | £185,000 (2025) |
| 13, Nant Y Wiwer, Margam, Port Talbot | Freehold | 78 m² | £155,000 (2015) |
| 14, Nant Y Wiwer, Margam, Port Talbot | Freehold | 55 m² | £96,250 (2012) |
| 15, Nant Y Wiwer, Margam, Port Talbot | Freehold | 70 m² | £132,000 (2005) |
| 16, Nant Y Wiwer, Margam, Port Talbot | Freehold | 62 m² | £120,000 (2007) |
| 17, Nant Y Wiwer, Margam, Port Talbot | - | 55 m² | - |
| 19, Nant Y Wiwer, Margam, Port Talbot | - | 73 m² | - |
| 20, Nant Y Wiwer, Margam, Port Talbot | Freehold | 74 m² | £135,000 (2007) |
| 21 Nant Y Wiwer, Coed Hirwaun, Coed Hirwaun | Freehold | 56 m² | £165,000 (2023) |
| 23 Nant Y Wiwer, Margam, Port Talbot | Freehold | 54 m² | £155,000 (2023) |
| 24 Nant Y Wiwer, Margam, Port Talbot | Freehold | 55 m² | £115,000 (2015) |
| 26, Nant Y Wiwer, Margam, Port Talbot | Freehold | 55 m² | £102,500 (2009) |
| 28, Nant Y Wiwer, Margam, Port Talbot | Freehold | 54 m² | £115,000 (2018) |
| 30 Nant Y Wiwer, Margam, Port Talbot | Freehold | 55 m² | £90,000 (2009) |
| 32 Nant Y Wiwer, Margam, Port Talbot | Freehold | 64 m² | £113,000 (2013) |
| 38 Nant Y Wiwer, Coed Hirwaun, Coed Hirwaun | Freehold | 63 m² | £139,000 (2021) |
| 40, Nant Y Wiwer, Margam, Port Talbot | Freehold | 55 m² | £53,995 (2001) |
| 42 Nant Y Wiwer, Margam, Port Talbot | Freehold | 54 m² | £78,000 (2004) |
| 46 Nant Y Wiwer, Margam, Port Talbot | Freehold | 63 m² | £139,000 (2021) |