| 33 Earl Street, Northampton | - | 107 m² | - |
| 35, Earl Street, Northampton | Freehold | 95 m² | £201,000 (2019) |
| 37, Earl Street, Northampton | Freehold | 74 m² | £95,500 (2013) |
| 39 Earl Street, Northampton | - | 158 m² | - |
| 41 Earl Street, Northampton | Freehold | 83 m² | £161,000 (2023) |
| 43 Earl Street, Northampton | Freehold | 79 m² | £130,000 (2008) |
| 45 Earl Street, Northampton | Freehold | 72 m² | £112,500 (2014) |
| 49 Earl Street, Northampton | Freehold | 73 m² | £114,000 (2015) |
| 53, Earl Street, Northampton | Freehold | 81 m² | £103,500 (2014) |
| 59 Earl Street, Northampton | Freehold | 77 m² | £16,000 (1996) |
| 61 Earl Street, Northampton | Freehold | 76 m² | £172,000 (2026) |
| 62 Earl Street, Northampton, Northampton | Freehold | 92 m² | £240,000 (2021) |
| 63, Earl Street, Northampton | - | 77 m² | - |
| 64 Earl Street, Northampton, Northampton | Freehold | 92 m² | £240,000 (2021) |
| 65, Earl Street, Northampton | Freehold | 71 m² | £121,000 (2006) |
| 66 Earl Street, Northampton, Northampton | Freehold | 92 m² | £260,000 (2021) |
| 67, Earl Street, Northampton | Freehold | 78 m² | £135,000 (2016) |
| 68 Earl Street, Northampton, Northampton | Freehold | 93 m² | £260,000 (2021) |
| 69, Earl Street, Northampton | Freehold | 140 m² | £90,000 (2009) |
| 70 Earl Street, Northampton, Northampton | Freehold | 93 m² | £260,000 (2021) |
| 71B Earl Street, Northampton | - | 76 m² | - |
| 72 Earl Street, Northampton, Northampton | Freehold | 93 m² | £260,000 (2021) |
| 73, Earl Street, Northampton | - | 138 m² | - |
| 74, Earl Street, Northampton | - | 133 m² | - |
| 74A Earl Street, Northampton | Freehold | 28 m² | £129,950 (2013) |
| 75, Earl Street, Northampton | - | 62 m² | - |
| 76A, Earl Street, Northampton | - | 51 m² | - |
| 77, Earl Street, Northampton | - | 68 m² | - |
| 79 Earl Street, Northampton | Freehold | 60 m² | £120,000 (2015) |
| 100 Earl Street, Northampton | - | 251 m² | - |
| 100 Earl Street, Northampton | - | 168 m² | - |
| 102, Earl Street, Northampton | Freehold | 96 m² | £100,000 (2012) |
| 104, Earl Street, Northampton | Freehold | 97 m² | £118,000 (2015) |
| Flat 1, 98 Earl Street, Northampton | - | 56 m² | - |
| Flat 1St Floor, 106 Earl Street, Northampton | Freehold | 53 m² | £120,000 (2022) |
| Flat 2, 96 Earl Street, Northampton | - | 31 m² | - |
| Flat 3, 94 Earl Street, Northampton | - | 56 m² | - |
| Flat 4, 92 Earl Street, Northampton | - | 31 m² | - |