| 35, William Street, Kettering | Freehold | 77 m² | £150,000 (2007) |
| 36 William Street, Kettering | Freehold | 83 m² | £154,000 (2024) |
| 37, William Street, Kettering | Freehold | 150 m² | £350,000 (2022) |
| 38 William Street, Kettering, Kettering | Freehold | 91 m² | £250,000 (2022) |
| 40, William Street, Kettering | Freehold | 96 m² | £52,000 (2000) |
| 42 William Street, Kettering | Freehold | 128 m² | £215,000 (2020) |
| 43, William Street, Kettering | Freehold | 98 m² | £167,000 (2018) |
| 44, William Street, Kettering | Freehold | 91 m² | £178,500 (2020) |
| 45 William Street, Kettering | Freehold | 91 m² | £242,000 (2025) |
| 46, William Street, Kettering | Freehold | 99 m² | £184,950 (2016) |
| 47, William Street, Kettering | Freehold | 118 m² | £169,950 (2014) |
| 50, William Street, Kettering | Freehold | 98 m² | £220,000 (2023) |
| 51, William Street, Kettering | Freehold | 105 m² | £240,000 (2022) |
| 52, William Street, Kettering | Freehold | 96 m² | £182,500 (2022) |
| 53 William Street, Kettering | Freehold | 96 m² | £249,000 (2025) |
| 54 William Street, Kettering | Freehold | 96 m² | £227,000 (2024) |
| 55 William Street, Kettering | Freehold | 88 m² | £105,000 (2011) |
| 57, William Street, Kettering | Freehold | 99 m² | £184,995 (2017) |
| 58 William Street, Kettering | Freehold | 100 m² | £236,000 (2026) |
| 59, William Street, Kettering | Freehold | 112 m² | £191,500 (2018) |
| 60, William Street, Kettering | Freehold | 89 m² | £170,000 (2018) |
| 61, William Street, Kettering | Freehold | 100 m² | £183,000 (2017) |
| 62, William Street, Kettering | Freehold | 139 m² | £175,000 (2011) |
| 64 William Street, Kettering | Freehold | 145 m² | £375,000 (2025) |
| 66 William Street, Kettering | Freehold | 177 m² | £310,000 (2025) |
| 68, William Street, Kettering | Freehold | 141 m² | £180,000 (2013) |
| 70 William Street, Kettering | Freehold | 134 m² | £332,500 (2022) |
| 72 William Street, Kettering | Leasehold | 46 m² | £85,000 (2017) |
| 74 William Street, Kettering | Leasehold | 55 m² | £104,000 (2020) |
| 74A, William Street, Kettering | Leasehold | 46 m² | £111,000 (2023) |
| Flat B, 74A William Street, Kettering, Kettering | - | 41 m² | - |