| 206 Delta House, St Andrews Street, Northampton, Northampton | Leasehold | 48 m² | £97,500 (2018) |
| 207 Delta House, St Andrews Street, Northampton, Northampton | Leasehold | 52 m² | £87,500 (2016) |
| 301 Delta House, St Andrews Street, Northampton, Northampton | Leasehold | 46 m² | £118,000 (2022) |
| 403 Delta House, St Andrews Street, Northampton, Northampton | Leasehold | 47 m² | £85,000 (2015) |
| 501 Delta House, St. Andrews Street, Northampton | Leasehold | 50 m² | £74,500 (2010) |
| Flat 101 Delta House, St. Andrews Street, Northampton | - | 51 m² | - |
| Flat 102 Delta House, St. Andrews Street, Northampton | Leasehold | 64 m² | £107,500 (2016) |
| Flat 103 Delta House, St. Andrews Street, Northampton | Leasehold | 48 m² | £84,211 (2010) |
| Flat 104 Delta House, St. Andrews Street, Northampton | Leasehold | 47 m² | £107,000 (2017) |
| Flat 105, Delta House, St. Andrews Street, Northampton | Leasehold | 63 m² | £86,842 (2010) |
| Flat 106 Delta House, St. Andrews Street, Northampton | Leasehold | 49 m² | £105,000 (2019) |
| Flat 107, Delta House, St. Andrews Street, Northampton | Leasehold | 49 m² | £97,500 (2016) |
| Flat 201, Delta House, St. Andrews Street, Northampton | Leasehold | 48 m² | £77,000 (2015) |
| Flat 202 Delta House, St. Andrews Street, Northampton | Leasehold | 64 m² | £110,000 (2016) |
| Flat 203, Delta House, St. Andrews Street, Northampton | Leasehold | 47 m² | £86,000 (2017) |
| Flat 204 Delta House, St. Andrews Street, Northampton | Leasehold | 48 m² | £101,000 (2017) |
| Flat 205 Delta House, St. Andrews Street, Northampton | Leasehold | 65 m² | £120,000 (2016) |
| Flat 302, Delta House, St. Andrews Street, Northampton | Leasehold | 76 m² | £115,000 (2023) |
| Flat 303 Delta House, St. Andrews Street, Northampton | Leasehold | 51 m² | £74,250 (2015) |
| Flat 304 Delta House, St. Andrews Street, Northampton | Leasehold | 47 m² | £102,000 (2019) |
| Flat 305 Delta House, St. Andrews Street, Northampton | - | 63 m² | - |
| Flat 306, Delta House, St. Andrews Street, Northampton | Leasehold | 49 m² | £86,000 (2016) |
| Flat 307 Delta House, St. Andrews Street, Northampton | Leasehold | 50 m² | £86,000 (2016) |
| Flat 401 Delta House, St. Andrews Street, Northampton | Leasehold | 49 m² | £72,842 (2010) |
| Flat 402, Delta House, St. Andrews Street, Northampton | Leasehold | 7 m² | £117,000 (2019) |
| Flat 404 Delta House, St. Andrews Street, Northampton | Leasehold | 48 m² | £108,000 (2020) |
| Flat 405 Delta House, St. Andrews Street, Northampton | Leasehold | 62 m² | £120,000 (2016) |
| Flat 406 Delta House, St. Andrews Street, Northampton | Leasehold | 48 m² | £100,000 (2018) |
| Flat 407 Delta House, St. Andrews Street, Northampton | Leasehold | 35 m² | £97,000 (2020) |
| Flat 502 Delta House, St. Andrews Street, Northampton | Leasehold | 46 m² | £72,000 (2010) |
| Flat 503, Delta House, St. Andrews Street, Northampton | Leasehold | 63 m² | £141,500 (2021) |
| Flat 504, Delta House, St. Andrews Street, Northampton | Leasehold | 49 m² | £90,000 (2020) |
| Flat 505 Delta House, St. Andrews Street, Northampton | Leasehold | 47 m² | £75,000 (2014) |
| Flat G1, Delta House, St. Andrews Street, Northampton | Leasehold | 49 m² | £69,000 (2010) |
| Flat G4, Delta House, St. Andrews Street, Northampton | Leasehold | 64 m² | £141,000 (2023) |
| G02, Delta House, St Andrews Street, Northampton | - | 48 m² | - |
| G03, Delta House, St. Andrews Street, Northampton | Leasehold | 49 m² | £72,000 (2010) |