| 283, Preston Road, Harrow | - | 197 m² | - |
| 285, Preston Road, Harrow | Freehold | 148 m² | £129,000 (1997) |
| 287, Preston Road, Harrow | Freehold | 148 m² | £575,000 (2006) |
| 291 Preston Road, Harrow | Freehold | 191 m² | £870,000 (2023) |
| 295 Preston Road, Harrow | Freehold | 287 m² | £495,000 (2007) |
| 297, Preston Road, Harrow | Freehold | 186 m² | £485,000 (2007) |
| 301, Preston Road, Harrow | Freehold | 168 m² | £700,000 (2014) |
| 303 Preston Road, Harrow | - | 144 m² | - |
| 303A Preston Road, Flat 1, Harrow | Leasehold | 87 m² | £465,000 (2022) |
| 303A Preston Road, Flat 2, Harrow | Leasehold | 93 m² | £435,000 (2022) |
| 305 Preston Road, Harrow | Freehold | 176 m² | £650,000 (2013) |
| 311, Preston Road, Harrow | Freehold | 166 m² | £710,000 (2015) |
| 311A Preston Road, Harrow | - | 74 m² | - |
| 311B Preston Road, Harrow | - | 65 m² | - |
| 311C Preston Road, Harrow | - | 49 m² | - |
| 313, Preston Road, Harrow | Freehold | 161 m² | £750,000 (2016) |
| 319, Preston Road, Harrow | - | 189 m² | - |
| 333, Preston Road, Harrow | - | 140 m² | - |
| First Floor Flat, 299 Preston Road, Harrow | - | 60 m² | - |
| First Floor Flat, 307 Preston Road, Harrow | - | 78 m² | - |
| Flat 1, 301 Preston Road, Harrow | - | 74 m² | - |
| Flat 1, 307A Preston Road, Harrow | - | 13 m² | - |
| Flat 1, 307B Preston Road, Harrow | - | 13 m² | - |
| Flat 2, 301 Preston Road, Harrow | - | 82 m² | - |
| Flat 2, 307A Preston Road, Harrow | - | 11 m² | - |
| Flat 2, 307B Preston Road, Harrow | - | 10 m² | - |
| Flat 3, 301 Preston Road, Harrow | - | 35 m² | - |
| Flat 3, 307A Preston Road, Harrow | - | 13 m² | - |
| Flat 3, 307B Preston Road, Harrow | - | 12 m² | - |
| Flat 4, 301 Preston Road, Harrow | - | 62 m² | - |
| Flat 4, 307A Preston Road, Harrow | - | 13 m² | - |
| Flat 4, 307B Preston Road, Harrow | - | 13 m² | - |
| Flat 5, 307B Preston Road, Harrow | - | 33 m² | - |
| Flat, 309 Preston Road, Harrow | Freehold | 82 m² | £765,000 (2021) |
| Ground Floor Flat, 299 Preston Road, Harrow | - | 64 m² | - |
