| 1, William Street, Newark | Leasehold | 29 m² | £32,000 (2004) |
| 1A William Street, Newark | Leasehold | 40 m² | £50,000 (2004) |
| 3 William Street, Newark | Freehold | 52 m² | £60,000 (2014) |
| 4 William Street, Newark | - | 34 m² | - |
| 4A, William Street, Newark | - | 45 m² | - |
| 5 William Street, Newark | Freehold | 106 m² | £195,000 (2024) |
| 6B William Street, Newark | Freehold | 44 m² | £86,000 (2017) |
| 7 William Street, Newark | Freehold | 83 m² | £185,000 (2024) |
| 8, William Street, Newark | - | 113 m² | - |
| 9 William Street, Newark | Freehold | 93 m² | £140,000 (2020) |
| 11, William Street, Newark | Freehold | 79 m² | £87,500 (2018) |
| 11A William Street, Newark | Freehold | 77 m² | £115,000 (2024) |
| 12 William Street, Newark | Freehold | 94 m² | £175,000 (2025) |
| 13 William Street, Newark | Freehold | 95 m² | £125,000 (2024) |
| 17, William Street, Newark | Freehold | 109 m² | £132,000 (2021) |
| 18, William Street, Newark | Freehold | 151 m² | £162,000 (2017) |
| 19, William Street, Newark | Freehold | 82 m² | £115,000 (2011) |
| 21, William Street, Newark | Freehold | 141 m² | £50,000 (1996) |
| 25, William Street, Newark | Freehold | 200 m² | £197,500 (2019) |
| 27, William Street, Newark | Freehold | 145 m² | £107,000 (2014) |
| 28, William Street, Newark | Freehold | 57 m² | £70,000 (2009) |
| 30 William Street, Newark | - | 60 m² | - |
| 30A William Street, Newark | Freehold | 116 m² | £256,000 (2022) |
| Flat 1, 2 William Street, Newark | - | 29 m² | - |
| Flat 2, 2 William Street, Newark | - | 29 m² | - |
| Flat 3, 2 William Street, Newark | - | 26 m² | - |
| Flat 4, 2 William Street, Newark | - | 29 m² | - |
| Flat 5, 2 William Street, Newark | - | 56 m² | - |