| 1 Excelsior Apartments, 1, Northwick Park Road, Harrow | Leasehold | 73 m² | £240,000 (2016) |
| 2 Excelsior Apartments, 1, Northwick Park Road, Harrow | - | 67 m² | - |
| 3 Excelsior Apartments, 1, Northwick Park Road, Harrow | Leasehold | 67 m² | £425,000 (2025) |
| 4 Excelsior Apartments, 1, Northwick Park Road, Harrow | Leasehold | 77 m² | £460,000 (2021) |
| 5 Excelsior Apartments, 1 Northwick Park Road, Harrow | Leasehold | 66 m² | £420,000 (2016) |
| 6 Excelsior Apartments, 1 Northwick Park Road, Harrow | Leasehold | 78 m² | £427,000 (2016) |
| 7 Excelsior Apartments, 1, Northwick Park Road, Harrow | - | 66 m² | - |
| 8 Excelsior Apartments, 1, Northwick Park Road, Harrow | Leasehold | 66 m² | £465,000 (2025) |
| 9 Excelsior Apartments, 1 Northwick Park Road, Harrow | Leasehold | 81 m² | £503,000 (2021) |
| 9 Northwick Park Road, Harrow | Freehold | 197 m² | £850,000 (2023) |
| 15 Northwick Park Road, Harrow | Freehold | 267 m² | £1,060,000 (2023) |
| 19 Northwick Park Road, Harrow | Freehold | 344 m² | £1,170,000 (2024) |
| 23, Northwick Park Road, Harrow | Freehold | 155 m² | £1,188,000 (2025) |
| 25 Northwick Park Road, Harrow | Freehold | 225 m² | £471,500 (2004) |
| 27, Northwick Park Road, Harrow | Freehold | 101 m² | £745,000 (2016) |
| 29 Northwick Park Road, Harrow | Freehold | 146 m² | £685,000 (2024) |
| 31, Northwick Park Road, Harrow | Freehold | 131 m² | £422,000 (2013) |
| 33 Northwick Park Road, Harrow | - | 89 m² | - |
| 39 Northwick Park Road, Harrow | - | 150 m² | - |
