| 1, Castle Street, Boston | Freehold | 115 m² | £65,000 (2008) |
| 2, Castle Street, Boston | Freehold | 52 m² | £80,000 (2021) |
| 3 Castle Street, Boston, Boston | Freehold | 73 m² | £31,950 (1999) |
| 4, Castle Street, Boston | Freehold | 48 m² | £74,000 (2005) |
| 5, Castle Street, Boston | Freehold | 114 m² | £140,000 (2019) |
| 6, Castle Street, Boston | Freehold | 59 m² | £80,000 (2006) |
| 7 Castle Street, Boston | Freehold | 74 m² | £140,000 (2024) |
| 8 Castle Street, Boston | Freehold | 58 m² | £100,000 (2026) |
| 10, Castle Street, Boston | Freehold | 59 m² | £20,000 (2000) |
| 11, Castle Street, Boston | Freehold | 66 m² | £123,000 (2017) |
| 13 A1, Castle Street, Boston | Freehold | 87 m² | £118,000 (2023) |
| 13 A2, Castle Street, Boston | Freehold | 88 m² | £109,950 (2007) |
| 13 A3, Castle Street, Boston | - | 89 m² | - |
| 14, Castle Street, Boston | - | 67 m² | - |
| 15, Castle Street, Boston | Freehold | 93 m² | £150,000 (2025) |
| 16, Castle Street, Boston | Freehold | 125 m² | £132,500 (2004) |
| 17 Castle Street, Boston | Freehold | 53 m² | £135,000 (2022) |
| 18, Castle Street, Boston | Freehold | 67 m² | £22,000 (1997) |
| 19, Castle Street, Boston | Freehold | 64 m² | £80,000 (2007) |
| 20, Castle Street, Boston | Freehold | 65 m² | £75,000 (2017) |
| 21 Castle Street, Boston | Freehold | 68 m² | £87,000 (2007) |
| 22 Castle Street, Boston | Freehold | 60 m² | £70,000 (2017) |
| 23, Castle Street, Boston | Freehold | 56 m² | £95,052 (2026) |
| 24, Castle Street, Boston | Freehold | 57 m² | £62,000 (2007) |
| 25 Castle Street, Boston, Boston | Freehold | 55 m² | £19,950 (2000) |
| 26 Castle Street, Boston, Boston | Freehold | 58 m² | £76,500 (2012) |
| 27 Castle Street, Boston | Freehold | 84 m² | £85,000 (2007) |
| 29, Castle Street, Boston | - | 117 m² | - |
| 30, Castle Street, Boston | Freehold | 67 m² | £41,250 (2002) |
| 31, Castle Street, Boston | Freehold | 75 m² | £140,000 (2007) |
| 32, Castle Street, Boston | Freehold | 83 m² | £78,000 (2015) |
| 33 Castle Street, Boston | Freehold | 95 m² | £138,500 (2010) |
| 34, Castle Street, Boston | Freehold | 61 m² | £96,000 (2025) |
| 35A, Castle Street, Boston | Freehold | 70 m² | £131,580 (2007) |
| 35B Castle Street, Boston, Boston | Freehold | 73 m² | £131,580 (2007) |
| 35C Castle Street, Boston, Boston | Freehold | 73 m² | £131,580 (2007) |
| 35D Castle Street, Boston, Boston | Freehold | 73 m² | £131,580 (2007) |
| 38, Castle Street, Boston | Freehold | 57 m² | £62,000 (2011) |
| 40, Castle Street, Boston | Freehold | 93 m² | £105,000 (2010) |
| 44 Castle Street, Boston | - | 121 m² | - |
| 48 Castle Street, Boston | Freehold | 86 m² | £98,500 (2019) |
| 50 Castle Street, Boston | Freehold | 85 m² | £70,000 (2011) |
| 52, Castle Street, Boston | Freehold | 78 m² | £110,000 (2022) |
| 56 Castle Street, Boston | Freehold | 83 m² | £115,000 (2022) |
| 58, Castle Street, Boston | Freehold | 81 m² | £74,000 (2026) |
| 60 Castle Street, Boston | - | 102 m² | - |
| 60A Castle Street, Boston | - | 57 m² | - |
| 60B Castle Street, Boston | - | 44 m² | - |
| Chaddesden, Castle Street, Boston, Boston | Freehold | 108 m² | £129,000 (2006) |
| Goodwill, Castle Street, Boston | Freehold | 145 m² | £320,000 (2024) |
| Myrtle, Castle Street, Boston | Freehold | 72 m² | £95,000 (2005) |