| 205 Alpha House, Broad Street, Northampton, Northampton | Leasehold | 68 m² | £125,000 (2017) |
| 214 Alpha House, Broad Street, Northampton, Northampton | Leasehold | 65 m² | £136,000 (2021) |
| 220 Alpha House, Broad Street, Northampton, Northampton | Leasehold | 63 m² | £123,000 (2022) |
| Flat 101, Alpha House, Broad Street, Northampton | Leasehold | 30 m² | £70,000 (2015) |
| Flat 102 Alpha House, Broad Street, Northampton | Leasehold | 66 m² | £117,500 (2015) |
| Flat 103, Alpha House, Broad Street, Northampton | - | 59 m² | - |
| Flat 104, Alpha House, Broad Street, Northampton | Leasehold | 63 m² | £130,500 (2022) |
| Flat 105, Alpha House, Broad Street, Northampton | Leasehold | 60 m² | £112,000 (2015) |
| Flat 106, Alpha House, Broad Street, Northampton | Leasehold | 72 m² | £100,000 (2026) |
| Flat 107 Alpha House, Broad Street, Northampton | Leasehold | 48 m² | £100,000 (2024) |
| Flat 108 Alpha House, Broad Street, Northampton | Leasehold | 59 m² | £70,000 (2026) |
| Flat 109, Alpha House, Broad Street, Northampton | Leasehold | 61 m² | £95,500 (2012) |
| Flat 110, Alpha House, Broad Street, Northampton | Leasehold | 62 m² | £123,000 (2022) |
| Flat 111 Alpha House, Broad Street, Northampton | Leasehold | 72 m² | £125,000 (2009) |
| Flat 112 Alpha House, Broad Street, Northampton | Leasehold | 46 m² | £115,000 (2017) |
| Flat 113 Alpha House, Broad Street, Northampton | Leasehold | 48 m² | £106,000 (2021) |
| Flat 114, Alpha House, Broad Street, Northampton | Leasehold | 72 m² | £124,000 (2023) |
| Flat 115, Alpha House, Broad Street, Northampton | Leasehold | 60 m² | £105,000 (2025) |
| Flat 116, Alpha House, Broad Street, Northampton | Leasehold | 61 m² | £152,950 (2007) |
| Flat 117, Alpha House, Broad Street, Northampton | Leasehold | 66 m² | £151,950 (2007) |
| Flat 118, Alpha House, Broad Street, Northampton | Leasehold | 67 m² | £154,995 (2007) |
| Flat 119, Alpha House, Broad Street, Northampton | Leasehold | 71 m² | £128,000 (2026) |
| Flat 120 Alpha House, Broad Street, Northampton | Leasehold | 47 m² | £130,000 (2023) |
| Flat 121, Alpha House, Broad Street, Northampton | Leasehold | 63 m² | £150,000 (2022) |
| Flat 122, Alpha House, Broad Street, Northampton | Leasehold | 61 m² | £125,000 (2023) |
| Flat 123 Alpha House, Broad Street, Northampton | Leasehold | 61 m² | £148,500 (2023) |
| Flat 124, Alpha House, Broad Street, Northampton | Leasehold | 30 m² | £90,000 (2007) |
| Flat 201 Alpha House, Broad Street, Northampton | Leasehold | 56 m² | £80,350 (2009) |
| Flat 202 Alpha House, Broad Street, Northampton | Leasehold | 62 m² | £107,000 (2014) |
| Flat 203 Alpha House, Broad Street, Northampton | Leasehold | 63 m² | £94,000 (2010) |
| Flat 204, Alpha House, Broad Street, Northampton | Leasehold | 63 m² | £89,473 (2009) |
| Flat 206 Alpha House, Broad Street, Northampton | - | 71 m² | - |
| Flat 207 Alpha House, Broad Street, Northampton | Leasehold | 47 m² | £105,000 (2021) |
| Flat 208, Alpha House, Broad Street, Northampton | Leasehold | 49 m² | £93,000 (2017) |
| Flat 209 Alpha House, Broad Street, Northampton | Leasehold | 60 m² | £84,000 (2009) |
| Flat 210, Alpha House, Broad Street, Northampton | Leasehold | 61 m² | £88,421 (2009) |
| Flat 211, Alpha House, Broad Street, Northampton | Leasehold | 72 m² | £125,000 (2023) |
| Flat 212, Alpha House, Broad Street, Northampton | Leasehold | 47 m² | £113,500 (2023) |
| Flat 213, Alpha House, Broad Street, Northampton | Leasehold | 47 m² | £131,995 (2007) |
| Flat 215 Alpha House, Broad Street, Northampton | Leasehold | 60 m² | £133,500 (2017) |
| Flat 216, Alpha House, Broad Street, Northampton | Leasehold | 61 m² | £150,000 (2023) |
| Flat 217, Alpha House, Broad Street, Northampton | Leasehold | 66 m² | £159,950 (2007) |
| Flat 218, Alpha House, Broad Street, Northampton | Leasehold | 60 m² | £160,000 (2007) |
| Flat 219 Alpha House, Broad Street, Northampton | Leasehold | 80 m² | £162,950 (2023) |
| Flat 221 Alpha House, Broad Street, Northampton | Leasehold | 67 m² | £156,500 (2007) |
| Flat 222 Alpha House, Broad Street, Northampton | Leasehold | 60 m² | £134,995 (2022) |
| Flat 223, Alpha House, Broad Street, Northampton | Leasehold | 66 m² | £138,000 (2022) |
| Flat 224, Alpha House, Broad Street, Northampton | Leasehold | 60 m² | £125,000 (2007) |
| Flat 317, Alpha House, Broad Street, Northampton | - | 66 m² | - |
| Flat 319, Alpha House, Broad Street, Northampton | - | 65 m² | - |
| Flat 416, Alpha House, Broad Street, Northampton | - | 65 m² | - |
| Flat 419, Alpha House, Broad Street, Northampton | Leasehold | 66 m² | £105,000 (2026) |
| Flat 520, Alpha House, Broad Street, Northampton | - | 31 m² | - |
| Flat G6, Alpha House, Broad Street, Northampton | Leasehold | 47 m² | £58,000 (2013) |
| Flat G08 Alpha House Broad Street, Northampton | Leasehold | 61 m² | £145,000 (2022) |
| Flat G/1 Alpha House, Broad Street, Northampton | Leasehold | 66 m² | £140,000 (2023) |
| Flat G/3 Alpha House, Broad Street, Northampton | Leasehold | 66 m² | £125,000 (2016) |
| Flat G/7 Alpha House, Broad Street, Northampton | Leasehold | 48 m² | £105,000 (2018) |
| Flat G/9 Alpha House, Broad Street, Northampton | Leasehold | 61 m² | £135,000 (2019) |
| Flat G/11 Alpha House, Broad Street, Northampton | Leasehold | 46 m² | £124,320 (2008) |
| Flat G/12 Alpha House, Broad Street, Northampton | Leasehold | 46 m² | £128,500 (2007) |
| Flat G/13 Alpha House, Broad Street, Northampton | Leasehold | 67 m² | £161,500 (2007) |
| Flat G/14 Alpha House, Broad Street, Northampton | Leasehold | 60 m² | £122,000 (2016) |
| Flat G/15 Alpha House, Broad Street, Northampton | Leasehold | 60 m² | £110,000 (2016) |
| Flat G/17 Alpha House, Broad Street, Northampton | Leasehold | 58 m² | £147,950 (2007) |
| Flat G/19 Alpha House, Broad Street, Northampton | Leasehold | 60 m² | £118,000 (2022) |
| Flat G/20 Alpha House, Broad Street, Northampton | Leasehold | 61 m² | £123,000 (2025) |
| Flat G/21 Alpha House, Broad Street, Northampton | Leasehold | 61 m² | £153,950 (2007) |
| Flat G/22 Alpha House, Broad Street, Northampton | Leasehold | 60 m² | £149,950 (2007) |
| G05, Alpha House, Northampton | - | 82 m² | - |
| G16, Alpha House, Broad Street, Northampton | Leasehold | 65 m² | £135,000 (2025) |