| 270A Preston Road, Harrow, Harrow | - | 55 m² | - |
| 270B Preston Road, Harrow | - | 44 m² | - |
| 272A, Preston Road, Harrow | - | 55 m² | - |
| 272B Preston Road, Harrow | - | 55 m² | - |
| 274A Preston Road, Harrow | Leasehold | 54 m² | £225,000 (2025) |
| 274B Preston Road, Harrow | - | 55 m² | - |
| 276A Preston Road, Harrow | Leasehold | 58 m² | £225,000 (2018) |
| 276B, Preston Road, Harrow | - | 55 m² | - |
| 278A, Preston Road, Harrow | Leasehold | 47 m² | £156,000 (2013) |
| 278B, Preston Road, Harrow | - | 51 m² | - |
| 280A, Preston Road, Harrow | Leasehold | 87 m² | £95,000 (2001) |
| 280B Preston Road, Harrow | - | 68 m² | - |
| 282A Preston Road, Harrow | Leasehold | 55 m² | £77,950 (2000) |
| 282B, Preston Road, Harrow | Leasehold | 55 m² | £122,000 (2003) |
| 284A Preston Road, Harrow, Harrow | Leasehold | 53 m² | £232,500 (2026) |
| 284B, Preston Road, Harrow | Leasehold | 54 m² | £250,000 (2024) |
| 286A Preston Road, Harrow, Harrow | Leasehold | 53 m² | £211,000 (2015) |
| 286B Preston Road, Harrow | Leasehold | 55 m² | £230,000 (2026) |
| 288A Preston Road, Harrow, Harrow | - | 54 m² | - |
| 288B Preston Road, Harrow | - | 54 m² | - |
| 290A Preston Road, Harrow | - | 54 m² | - |
| 290B Preston Road, Harrow, Harrow | - | 53 m² | - |
| 292A, Preston Road, Harrow | Leasehold | 53 m² | £150,000 (2009) |
| 292B Preston Road, Harrow | Freehold | 54 m² | £340,000 (2003) |
| 294B Preston Road, Harrow | - | 91 m² | - |
| 296A Preston Road, Harrow | - | 62 m² | - |
| 296B, Preston Road, Harrow | - | 69 m² | - |
| Flat 1A, 308 Preston Road, Harrow | - | 42 m² | - |
| Flat 1B, 308 Preston Road, Harrow | - | 31 m² | - |
| Flat 2, 308 Preston Road, Harrow | - | 44 m² | - |
| Flat 3, 308 Preston Road, Harrow | - | 35 m² | - |
| Flat 4, 308 Preston Road, Harrow | - | 47 m² | - |
| Flat 5, 308 Preston Road, Harrow | Leasehold | 41 m² | £249,000 (2022) |
| Flat 6, 308 Preston Road, Harrow | Leasehold | 80 m² | £325,000 (2026) |