| 2, William Street, Swindon | Freehold | 75 m² | £190,000 (2023) |
| 5 William Street, Swindon | Freehold | 90 m² | £165,000 (2026) |
| 6 William Street, Swindon | Freehold | 94 m² | £183,000 (2018) |
| 7 William Street, Swindon | Freehold | 92 m² | £94,000 (2013) |
| 8 William Street, Swindon | Freehold | 505 m² | £178,000 (2023) |
| 9 William Street, Swindon | Freehold | 94 m² | £222,000 (2023) |
| 10 William Street, Swindon | Freehold | 85 m² | £180,000 (2021) |
| 11 William Street, Swindon | Freehold | 76 m² | £66,950 (2000) |
| 12, William Street, Swindon | Freehold | 78 m² | £142,250 (2016) |
| 13, William Street, Swindon | Freehold | 67 m² | £124,500 (2014) |
| 14, William Street, Swindon | Freehold | 95 m² | £180,000 (2017) |
| 16 William Street, Swindon | Freehold | 86 m² | £173,236 (2017) |
| 17, William Street, Swindon | Freehold | 97 m² | £127,000 (2005) |
| 18, William Street, Swindon | Freehold | 87 m² | £34,500 (1996) |
| 19, William Street, Swindon | Freehold | 88 m² | £173,750 (2017) |
| 20, William Street, Swindon | - | 67 m² | - |
| 21 William Street, Swindon | Freehold | 82 m² | £165,000 (2016) |
| 22, William Street, Swindon | Freehold | 79 m² | £156,000 (2019) |
| 23 William Street, Swindon | Freehold | 79 m² | £142,000 (2015) |
| 24, William Street, Swindon | Freehold | 84 m² | £145,000 (2019) |
| 25 William Street, Swindon | Freehold | 85 m² | £98,000 (2011) |
| 26, William Street, Swindon | Freehold | 94 m² | £171,000 (2019) |
| 27, William Street, Swindon | Freehold | 87 m² | £119,950 (2006) |
| 28 William Street, Swindon | Freehold | 115 m² | £162,000 (2024) |
| 29, William Street, Swindon | Freehold | 78 m² | £170,000 (2017) |
| 30 William Street, Swindon | Freehold | 83 m² | £180,000 (2022) |
| 31 William Street, Swindon | Freehold | 76 m² | £227,000 (2022) |
| 32 William Street, Swindon | Freehold | 81 m² | £165,000 (2021) |
| 33, William Street, Swindon | Freehold | 80 m² | £200,000 (2019) |
| 34 William Street, Swindon | Freehold | 88 m² | £200,000 (2025) |
| 37, William Street, Swindon | Freehold | 73 m² | £135,000 (2016) |
| 38A 38 William Street, Kingshill, Swindon, Swindon | - | 45 m² | - |
| 38B 38 William Street, Kingshill, Swindon, Swindon | - | 34 m² | - |
| 38C 38 William Street, Kingshill, Swindon, Swindon | - | 65 m² | - |
| 40, William Street, Swindon | Freehold | 100 m² | £135,000 (2007) |
| 41 William Street, Kingshill, Swindon, Swindon | Freehold | 79 m² | £135,000 (2020) |
| 42, William Street, Swindon | Freehold | 83 m² | £231,000 (2022) |
| 44, William Street, Swindon | - | 117 m² | - |
| 49, William Street, Swindon | Leasehold | 80 m² | £148,000 (2018) |
| 49A William Street, Swindon | - | 79 m² | - |
| 50 William Street, Swindon | Leasehold | 44 m² | £106,000 (2026) |
| 51, William Street, Swindon | Leasehold | 41 m² | £102,718 (2007) |
| 52, William Street, Swindon | Leasehold | 61 m² | £106,500 (2007) |
| 53 William Street, Swindon | Leasehold | 60 m² | £111,000 (2007) |
| 54 William Street, Swindon | Leasehold | 69 m² | £112,500 (2007) |
| 54A William Street, Swindon | Leasehold | 65 m² | £142,500 (2023) |
| 55 William Street, Swindon | Freehold | 77 m² | £187,500 (2026) |
| 56, William Street, Swindon | Freehold | 83 m² | £179,000 (2022) |
| 57, William Street, Swindon | Freehold | 86 m² | £150,000 (2022) |
| 58 William Street, Swindon | Freehold | 105 m² | £102,000 (2004) |
| 61, William Street, Swindon | - | 88 m² | - |
| Flat 1, Old Clifton School, William Street, Swindon | Freehold | 55 m² | £180,000 (2002) |
| Flat 2, Old Clifton School, William Street, Swindon | - | 55 m² | - |
| Flat 3, Old Clifton School, William Street, Swindon | Freehold | 55 m² | £100,000 (2003) |
| Flat 4, Old Clifton School, William Street, Swindon | Freehold | 90 m² | £218,000 (2025) |