| 57, Pen Yr Alltwen, Alltwen, Pontardawe, Swansea | Freehold | 80 m² | £107,000 (2011) |
| 63 Pen Yr Alltwen, Alltwen, Pontardawe, Swansea | Freehold | 127 m² | £375,000 (2026) |
| 65, Pen Yr Alltwen, Alltwen, Pontardawe, Swansea | Freehold | 100 m² | £170,000 (2010) |
| 67, Pen Yr Alltwen, Alltwen, Pontardawe, Swansea | Freehold | 131 m² | £157,000 (2015) |
| 69 Pen Yr Alltwen, Alltwen, Pontardawe, Swansea | Freehold | 179 m² | £465,000 (2025) |
| 73, Pen Yr Alltwen, Alltwen, Pontardawe, Swansea | Freehold | 204 m² | £73,500 (1999) |
| 75, Pen Yr Alltwen, Alltwen, Pontardawe, Swansea | Freehold | 296 m² | £375,000 (2017) |
| 79 Pen Yr Alltwen, Alltwen, Pontardawe, Swansea | Freehold | 88 m² | £250,000 (2025) |
| 80, Pen Yr Alltwen, Alltwen, Pontardawe, Swansea | - | 96 m² | - |
| 82, Pen Yr Alltwen, Alltwen, Pontardawe, Swansea | Freehold | 85 m² | £146,000 (2013) |
| 83, Pen Yr Alltwen, Alltwen, Pontardawe, Swansea | Freehold | 124 m² | £260,000 (2015) |
| 85, Pen Yr Alltwen, Alltwen, Pontardawe, Swansea | Freehold | 70 m² | £272,500 (2013) |
| 87 Pen Yr Alltwen, Alltwen, Swansea | Freehold | 84 m² | £120,000 (2010) |
| 89 Pen Yr Alltwen, Alltwen, Pontardawe | - | 94 m² | - |
| 91, Pen Yr Alltwen, Alltwen, Pontardawe, Swansea | Freehold | 128 m² | £240,000 (2019) |
| 93, Pen Yr Alltwen, Alltwen, Pontardawe, Swansea | Freehold | 74 m² | £160,000 (2022) |
| 95, Pen Yr Alltwen, Alltwen, Pontardawe, Swansea | - | 184 m² | - |
| 97 Pen Yr Alltwen, Alltwen, Pontardawe, Swansea | Freehold | 208 m² | £250,000 (2018) |
| Pen Yr Alltwen House, Pen Yr Alltwen, Alltwen, Pontardawe, Swansea | - | 296 m² | - |
| Trem Y Wawr, Pen Yr Alltwen, Alltwen, Pontardawe, Swansea | - | 393 m² | - |