| 12, William Street, Swansea | Freehold | 73 m² | £124,950 (2013) |
| 15, William Street, Swansea | Freehold | 78 m² | £138,450 (2017) |
| 16, William Street, Swansea | Freehold | 72 m² | £114,950 (2017) |
| 18, William Street, Swansea | Freehold | 84 m² | £52,000 (2001) |
| 19, William Street, Swansea | Freehold | 75 m² | £105,000 (2004) |
| 20, William Street, Swansea | - | 86 m² | - |
| 21 William Street, Swansea | - | 123 m² | - |
| 22, William Street, Swansea | Freehold | 93 m² | £105,000 (2013) |
| 23 William Street, Swansea | Freehold | 119 m² | £90,000 (2013) |
| 24 William Street, Swansea | Freehold | 100 m² | £92,500 (2015) |
| 28 William Street, Swansea | Freehold | 66 m² | £97,500 (2007) |
| 29, William Street, Swansea | Freehold | 77 m² | £70,000 (2012) |
| 30 William Street, Swansea | - | 75 m² | - |
| 31, William Street, Swansea | Freehold | 77 m² | £85,000 (2012) |
| 32, William Street, Swansea | Freehold | 73 m² | £147,000 (2022) |
| 33, William Street, Swansea | Freehold | 51 m² | £120,000 (2018) |
| 34, William Street, Swansea | Freehold | 74 m² | £144,600 (2023) |
| 35, William Street, Swansea | Freehold | 78 m² | £95,000 (2011) |
| 36, William Street, Swansea | Freehold | 74 m² | £115,000 (2012) |
| 37, William Street, Swansea | Freehold | 91 m² | £54,950 (2001) |
| 38, William Street, Swansea | - | 90 m² | - |
| 41, William Street, Swansea | Freehold | 74 m² | £145,000 (2017) |
| 42, William Street, Swansea | Freehold | 105 m² | £122,500 (2009) |
| 43, William Street, Swansea | - | 85 m² | - |
| 44, William Street, Swansea | Freehold | 74 m² | £140,000 (2020) |
| 45, William Street, Swansea | - | 82 m² | - |
| 46 William Street, Sandfields, Swansea, Swansea | - | 63 m² | - |