| 1, Union Street, Swindon | Freehold | 61 m² | £145,500 (2015) |
| 2 Union Street, Swindon | Freehold | 71 m² | £212,000 (2023) |
| 3, Union Street, Swindon | Freehold | 80 m² | £147,000 (2018) |
| 4, Union Street, Swindon | Freehold | 80 m² | £114,000 (2004) |
| 5, Union Street, Swindon | Freehold | 74 m² | £124,500 (2013) |
| 6, Union Street, Swindon | Freehold | 67 m² | £216,000 (2025) |
| 7 Union Street, Swindon | Freehold | 64 m² | £230,000 (2026) |
| 12 Union Street, Old Town, Swindon, Swindon | Freehold | 77 m² | £165,000 (2016) |
| 12A Union Street, Old Town, Swindon, Swindon | Freehold | 68 m² | £163,000 (2021) |
| 14, Union Street, Swindon | Freehold | 83 m² | £210,000 (2023) |
| 15, Union Street, Swindon | Freehold | 81 m² | £123,500 (2014) |
| 17, Union Street, Swindon | Freehold | 91 m² | £129,000 (2005) |
| 18 Union Street, Swindon | Freehold | 102 m² | £76,000 (2000) |
| 19 Union Street, Old Town, Swindon, Swindon | Freehold | 76 m² | £172,500 (2018) |
| 22 Union Street, Swindon | Freehold | 83 m² | £155,000 (2014) |
| 26 Union Street, Swindon | Freehold | 86 m² | £220,000 (2023) |
| 27 Union Street, Swindon | Freehold | 73 m² | £197,270 (2025) |
| 28 Union Street, Swindon | Freehold | 86 m² | £43,000 (1996) |
| 29 Union Street, Old Town, Swindon, Swindon | Freehold | 81 m² | £94,500 (2003) |
| 30A Union Street, Swindon | Freehold | 61 m² | £149,500 (2015) |
| 30B Union Street, Swindon | Freehold | 61 m² | £149,500 (2015) |
| 32, Union Street, Swindon | Freehold | 143 m² | £240,000 (2016) |
| 34, Union Street, Swindon | Freehold | 93 m² | £165,000 (2006) |
| 35 Union Street, Swindon | Freehold | 96 m² | £95,000 (2000) |
| 36, Union Street, Swindon | - | 73 m² | - |
| 37 Union Street, Old Town, Swindon, Swindon | - | 62 m² | - |
| 38 Union Street, Swindon | Freehold | 72 m² | £230,000 (2025) |
| 41 Union Street, Swindon | Freehold | 70 m² | £167,500 (2017) |
| 44, Union Street, Swindon | Freehold | 64 m² | £195,000 (2025) |
| 46, Union Street, Swindon | Freehold | 70 m² | £122,250 (2010) |
| 47 Union Street, Old Town, Swindon, Swindon | Freehold | 71 m² | £96,000 (2008) |
| 48, Union Street, Swindon | Freehold | 68 m² | £125,000 (2012) |
| 49 Union Street, Swindon | Freehold | 62 m² | £205,000 (2025) |
| 50A, Union Street, Swindon | - | 61 m² | - |
| 51, Union Street, Swindon | - | 53 m² | - |
| 52, Union Street, Swindon | - | 48 m² | - |
| 53 Jack Ashby Court, Union Street, Swindon | - | 60 m² | - |
| 54, Union Street, Swindon | - | 39 m² | - |
| Flat 1, 8 Union Street, Swindon | Leasehold | 51 m² | £120,000 (2016) |
| Flat 1, 9 Union Street, Swindon | Leasehold | 50 m² | £120,000 (2018) |
| Flat 2, 8 Union Street, Swindon | Leasehold | 56 m² | £115,000 (2019) |
| Flat 2, 9 Union Street, Swindon | Leasehold | 55 m² | £115,000 (2016) |