| 1 Nant Marl, Neath Road, Ystradgynlais, Swansea | Freehold | 102 m² | £135,000 (2014) |
| 2 Penrhos Varteg Cottages, Neath Road, Ystradgynlais, Swansea | Freehold | 79 m² | £106,000 (2018) |
| Bryn Cothi, Neath Road, Ystradgynlais, Swansea | Freehold | 94 m² | £120,000 (2012) |
| Bryn-Yr-Awel, Neath Road, Ystradgynlais, Swansea | - | 191 m² | - |
| Chalybeate, Neath Road, Ystradgynlais, Ystradgynlais | Freehold | 116 m² | £24,000 (1998) |
| Ffortiwn, Neath Road, Ystradgynlais, Swansea | Freehold | 82 m² | £116,000 (2015) |
| Gerddi Gwynion, Neath Road, Swansea | - | 120 m² | - |
| Glannant, Neath Road, Swansea | - | 135 m² | - |
| Glasfryn Villa, Neath Road, Ystradgynlais, Swansea | - | 166 m² | - |
| Gnoll House, Neath Road, Ystradgynlais, Swansea | Freehold | 106 m² | £120,000 (2001) |
| Golwg Y Bannau, Neath Road, Ystradgynlais, Swansea | Freehold | 205 m² | £327,500 (2020) |
| Maesyffynnon, Neath Road, Ystradgynlais, Swansea | Freehold | 103 m² | £137,000 (2021) |
| Pantyffynnon, Neath Road, Ystradgynlais, Swansea | - | 96 m² | - |
| Pen Pentre, Neath Road, Ystradgynlais, Swansea | Freehold | 152 m² | £245,000 (2011) |
| Railway Cottage, Neath Road, Ystradgynlais, Swansea | Freehold | 71 m² | £149,995 (2014) |
| Swn-Yr-Adar, Neath Road, Ystradgynlais, Swansea | Freehold | 164 m² | £16,000 (1998) |
| Tegfryn Villa, Neath Road, Ystradgynlais, Swansea | - | 168 m² | - |
