| 1A Gray Street, Northampton | - | 31 m² | - |
| 2, Gray Street, Northampton | - | 155 m² | - |
| 2A Gray Street, Northampton | - | 128 m² | - |
| 4, Gray Street, Northampton | Freehold | 118 m² | £318,000 (2024) |
| 5 Gray Street, Northampton | Freehold | 115 m² | £178,000 (2017) |
| 6, Gray Street, Northampton | Freehold | 89 m² | £187,500 (2017) |
| 7 Gray Street, Northampton | Freehold | 95 m² | £200,000 (2026) |
| 8, Gray Street, Northampton | Freehold | 95 m² | £47,500 (1998) |
| 9, Gray Street, Northampton | - | 39 m² | - |
| 9A, Gray Street, Northampton | - | 39 m² | - |
| 10 Gray Street, Northampton | Freehold | 87 m² | £165,000 (2022) |
| 11, Gray Street, Northampton | - | 39 m² | - |
| 11A, Gray Street, Northampton | - | 45 m² | - |
| 12, Gray Street, Northampton | Freehold | 87 m² | £220,000 (2024) |
| 13, Gray Street, Northampton | - | 29 m² | - |
| 13A, Gray Street, Northampton | - | 48 m² | - |
| 14 Gray Street, Northampton | Freehold | 88 m² | £33,000 (1995) |
| 15, Gray Street, Northampton | - | 39 m² | - |
| 15A, Gray Street, Northampton | - | 39 m² | - |
| 16, Gray Street, Northampton | Freehold | 95 m² | £165,000 (2020) |
| 17, Gray Street, Northampton | - | 45 m² | - |
| 17A, Gray Street, Northampton | - | 63 m² | - |
| 18, Gray Street, Northampton | - | 41 m² | - |
| 19, Gray Street, Northampton | - | 48 m² | - |
| 19A, Gray Street, Northampton | - | 73 m² | - |
| 20A Gray Street, Northampton | - | 47 m² | - |
| 20B Gray Street, Northampton | - | 75 m² | - |
| 21, Gray Street, Northampton | - | 39 m² | - |
| 21A, Gray Street, Northampton | - | 39 m² | - |
| 23, Gray Street, Northampton | - | 39 m² | - |
| 23A, Gray Street, Northampton | - | 45 m² | - |
| 24, Gray Street, Northampton | Freehold | 78 m² | £29,500 (1995) |
| 25, Gray Street, Northampton | - | 39 m² | - |
| 25A, Gray Street, Northampton | - | 48 m² | - |
| 27, Gray Street, Northampton | - | 39 m² | - |
| 27A, Gray Street, Northampton | - | 39 m² | - |
| 28 Gray Street, Northampton | Freehold | 84 m² | £182,500 (2017) |
| 29, Gray Street, Northampton | - | 45 m² | - |
| 29A, Gray Street, Northampton | - | 39 m² | - |
| 30 Gray Street, Northampton | Freehold | 72 m² | £102,000 (2010) |
| 31, Gray Street, Northampton | - | 48 m² | - |
| 31A, Gray Street, Northampton | - | 39 m² | - |
| 32, Gray Street, Northampton | Freehold | 99 m² | £93,000 (2009) |
| 33A, Gray Street, Northampton | - | 38 m² | - |
| 33B Gray Street, Northampton | - | 34 m² | - |
| 33C Gray Street, Northampton | - | 44 m² | - |
| 33D Gray Street, Northampton | - | 32 m² | - |
| 33E Gray Street, Northampton | - | 51 m² | - |
| 33F Gray Street, Northampton | - | 31 m² | - |
| 33G Gray Street, Northampton | - | 33 m² | - |
| 33H Gray Street, Northampton | - | 37 m² | - |
| 33I Gray Street, Northampton | - | 31 m² | - |
| 33J Gray Street, Northampton | - | 45 m² | - |
| 33K, Gray Street, Northampton | - | 31 m² | - |
| 33L Gray Street, Northampton | - | 51 m² | - |
| 34 Gray Street, Northampton | Freehold | 75 m² | £175,000 (2020) |
| 35, Gray Street, Northampton | Freehold | 105 m² | £200,000 (2018) |
| 36 Gray Street, Northampton | Freehold | 90 m² | £188,000 (2025) |
| 37 Gray Street, Northampton | Freehold | 119 m² | £285,000 (2024) |
| 38 Gray Street, Northampton | Freehold | 74 m² | £60,000 (2001) |
| 39, Gray Street, Northampton | Freehold | 94 m² | £125,000 (2014) |
| 40, Gray Street, Northampton | Freehold | 97 m² | £182,500 (2019) |
| 42 Gray Street, Northampton | - | 104 m² | - |
| 43A, Gray Street, Northampton | - | 36 m² | - |
| 43B, Gray Street, Northampton | - | 43 m² | - |
| 44, Gray Street, Northampton | - | 83 m² | - |
| 45, Gray Street, Northampton | Freehold | 105 m² | £33,000 (1998) |
| 46, Gray Street, Northampton | Freehold | 83 m² | £100,000 (2007) |
| 48, Gray Street, Northampton | Freehold | 83 m² | £242,000 (2022) |
| 50 Gray Street, Northampton | Freehold | 81 m² | £195,000 (2024) |
| 52, Gray Street, Northampton | Freehold | 112 m² | £103,000 (2003) |
| 54 Gray Street, Northampton | Freehold | 99 m² | £165,000 (2019) |
| 56, Gray Street, Northampton | Freehold | 111 m² | £180,000 (2016) |
| 58A Gray Street, Northampton | - | 39 m² | - |
| 58B 58 Gray Street, Northampton | Leasehold | 42 m² | £90,000 (2008) |
| First Floor Flat, 18 Gray Street, Northampton | - | 56 m² | - |
| Flat 1, 2 Gray Street, Northampton | - | 30 m² | - |
| Flat 1, 3 Gray Street, Northampton | - | 81 m² | - |
| Flat 1, 18 Gray Street, Northampton | - | 47 m² | - |
| Flat 2, 2 Gray Street, Northampton | - | 29 m² | - |
| Flat 2, 3 Gray Street, Northampton | - | 60 m² | - |
| Flat 3, 2 Gray Street, Northampton | - | 31 m² | - |
| Flat 3, 3 Gray Street, Northampton | Freehold | 58 m² | £1,135,000 (2026) |
| Flat 4, 3 Gray Street, Northampton | - | 64 m² | - |
| Flat 5, 3 Gray Street, Northampton | - | 65 m² | - |
| Flat 6, 3 Gray Street, Northampton | - | 59 m² | - |
| Flat 7, 3 Gray Street, Northampton | - | 43 m² | - |
| Flat 8, 3 Gray Street, Northampton | - | 45 m² | - |
| Student Accommodation Annexe, Coach House, 2B Gray Street, Northampton | - | 91 m² | - |