| 1 King William Street, Swindon | Freehold | 81 m² | £217,000 (2025) |
| 2 King William Street, Swindon | Freehold | 63 m² | £175,000 (2018) |
| 3, King William Street, Swindon | - | 70 m² | - |
| 4, King William Street, Swindon | Freehold | 81 m² | £52,000 (1998) |
| 5, King William Street, Swindon | Freehold | 77 m² | £145,000 (2010) |
| 6 King William Street, Old Town, Swindon, Swindon | Freehold | 65 m² | £130,000 (2014) |
| 7, King William Street, Swindon | Freehold | 75 m² | £169,000 (2007) |
| 8, King William Street, Swindon | Freehold | 93 m² | £156,500 (2012) |
| 9, King William Street, Swindon | Freehold | 94 m² | £180,000 (2016) |
| 11 King William Street, Swindon | Freehold | 73 m² | £215,000 (2021) |
| 14 King William Street, Swindon | Freehold | 83 m² | £64,950 (1998) |
| 15, King William Street, Swindon | Freehold | 82 m² | £111,000 (2002) |
| 17 King William Street, Swindon | - | 77 m² | - |
| 18 King William Street, Swindon | Freehold | 92 m² | £265,000 (2022) |
| 19, King William Street, Swindon | Freehold | 88 m² | £190,000 (2018) |
| 23, King William Street, Swindon | Freehold | 152 m² | £325,000 (2023) |
| 24 King William Street, Swindon | Freehold | 107 m² | £217,000 (2025) |
| 25 King William Street, Swindon | Freehold | 101 m² | £162,500 (2019) |
| 26 King William Street, Swindon | Freehold | 99 m² | £270,000 (2023) |
| 27 King William Street, Swindon | Freehold | 130 m² | £170,000 (2015) |