| 2, Williams Street, Pontarddulais, Swansea | Freehold | 96 m² | £170,000 (2024) |
| 3 Williams Street, Pontarddulais, Swansea | Freehold | 77 m² | £85,000 (2008) |
| 5, Williams Street, Pontarddulais, Swansea | Freehold | 96 m² | £98,000 (2011) |
| 6 Williams Street, Pontarddulais, Swansea | Freehold | 105 m² | £30,500 (1999) |
| 7, Williams Street, Pontarddulais, Swansea | Freehold | 90 m² | £63,940 (2022) |
| 11, Williams Street, Pontarddulais, Swansea | Freehold | 83 m² | £99,995 (2021) |
| 12, Williams Street, Pontarddulais, Swansea | Freehold | 110 m² | £150,155 (2025) |
| 16, Williams Street, Pontarddulais, Swansea | Freehold | 94 m² | £60,000 (2017) |
| 17 Williams Street, Pontarddulais, Swansea | - | 90 m² | - |
| 20 Williams Street, Pontarddulais, Swansea, Swansea | Freehold | 77 m² | £165,000 (2025) |
| 21, Williams Street, Pontarddulais, Swansea | Freehold | 83 m² | £40,000 (2001) |
| 23, Williams Street, Pontarddulais, Swansea | Freehold | 87 m² | £150,000 (2024) |
| 25, Williams Street, Pontarddulais, Swansea | Freehold | 91 m² | £73,000 (2014) |
| 27, Williams Street, Pontarddulais, Swansea | Freehold | 85 m² | £132,000 (2021) |
| 29, Williams Street, Pontarddulais, Swansea | Freehold | 83 m² | £93,000 (2015) |
| 30 Williams Street, Pontarddulais, Swansea | Freehold | 90 m² | £15,000 (1996) |
| 31, Williams Street, Pontarddulais, Swansea | - | 102 m² | - |
| 32, Williams Street, Pontarddulais, Swansea | Freehold | 85 m² | £100,000 (2020) |
| 33 Williams Street, Pontarddulais, Swansea | - | 88 m² | - |
| 35, Williams Street, Pontarddulais, Swansea | Freehold | 86 m² | £60,000 (2013) |
| 36, Williams Street, Pontarddulais, Swansea | Freehold | 88 m² | £163,000 (2022) |
| 38 Williams Street, Pontarddulais, Swansea | - | 87 m² | - |
| 39, Williams Street, Pontarddulais, Swansea | - | 84 m² | - |
| 40, Williams Street, Pontarddulais, Swansea | Freehold | 78 m² | £103,000 (2017) |
| 41, Williams Street, Pontarddulais, Swansea | Freehold | 102 m² | £34,500 (1998) |
| 42, Williams Street, Pontarddulais, Swansea | Freehold | 87 m² | £35,500 (2000) |
| 44, Williams Street, Pontarddulais, Swansea | - | 87 m² | - |
| 45, Williams Street, Pontarddulais, Swansea | Freehold | 92 m² | £156,500 (2021) |
| 47 Williams Street, Pontarddulais, Swansea | - | 86 m² | - |