| 139 Masons Avenue, Harrow | Leasehold | 40 m² | £43,750 (1999) |
| 141, Masons Avenue, Harrow | Leasehold | 42 m² | £160,000 (2006) |
| 141A, Masons Avenue, Harrow | Leasehold | 47 m² | £175,000 (2007) |
| 143, Masons Avenue, Harrow | Freehold | 89 m² | £425,000 (2021) |
| 147, Masons Avenue, Harrow | Freehold | 90 m² | £184,000 (2002) |
| 149 Masons Avenue, Harrow | Freehold | 89 m² | £87,000 (1997) |
| 153, Masons Avenue, Harrow | Leasehold | 59 m² | £104,000 (2002) |
| 155 Masons Avenue, Harrow, Harrow | - | 60 m² | - |
| 159 Masons Avenue, Harrow | - | 54 m² | - |
| 163 Masons Avenue, Harrow | - | 56 m² | - |
| 165, Masons Avenue, Harrow | Leasehold | 57 m² | £50,000 (1997) |
| 167, Masons Avenue, Harrow | Leasehold | 61 m² | £173,500 (2010) |
| 169 Masons Avenue, Harrow | Leasehold | 61 m² | £145,000 (2003) |
| 171 Masons Avenue, Harrow | - | 59 m² | - |
| 175 Masons Avenue, Harrow | Leasehold | 61 m² | £52,000 (1997) |
| 177, Masons Avenue, Harrow | - | 62 m² | - |
| 179, Masons Avenue, Harrow | Leasehold | 61 m² | £196,000 (2007) |
| 181, Masons Avenue, Harrow | - | 62 m² | - |
| 183, Masons Avenue, Harrow | Leasehold | 56 m² | £154,000 (2003) |
| 185, Masons Avenue, Harrow | - | 62 m² | - |
| 187 Masons Avenue, Harrow | - | 61 m² | - |
| 189, Masons Avenue, Harrow | Leasehold | 61 m² | £300,000 (2026) |
| 191, Masons Avenue, Harrow | - | 62 m² | - |
| 193, Masons Avenue, Harrow | Leasehold | 63 m² | £124,000 (2003) |
| 197, Masons Avenue, Harrow | Leasehold | 55 m² | £150,000 (2003) |
| 199, Masons Avenue, Harrow | Leasehold | 29 m² | £185,000 (2008) |
| 201 Masons Avenue, Harrow | Leasehold | 64 m² | £163,000 (2006) |
| 203, Masons Avenue, Harrow | Leasehold | 62 m² | £159,950 (2004) |
| 205, Masons Avenue, Harrow | - | 60 m² | - |
| Flat 1, 143 Masons Avenue, Harrow | Leasehold | 61 m² | £420,000 (2022) |
| Flat 2, 143 Masons Avenue, Harrow | - | 77 m² | - |
