| 3, Excelsior Apartments, 1 Northwick Park Road, Harrow, HA1 2NY | Nov 2025 | £425,000 | Flat / maisonette | Leasehold |
| Flat 2, Randolph House, 2 - 12 Northwick Park Road, Harrow, HA1 2NU | Sep 2025 | £160,000 | Flat / maisonette | Leasehold |
| 8, Excelsior Apartments, 1 Northwick Park Road, Harrow, HA1 2NY | Sep 2025 | £465,000 | Flat / maisonette | Leasehold |
| Flat 1, Randolph House, 2 - 12 Northwick Park Road, Harrow, HA1 2NU | Jun 2025 | £435,000 | Flat / maisonette | Leasehold |
| Flat 4, Garth Court, 28 Northwick Park Road, Harrow, HA1 2ER | May 2025 | £212,500 | Flat / maisonette | Leasehold |
| Flat 47, Randolph House, 2 - 12 Northwick Park Road, Harrow, HA1 2NU | May 2025 | £420,000 | Flat / maisonette | Leasehold |
| 23 Northwick Park Road, Harrow, HA1 2NY | Mar 2025 | £1,188,000 | Semi-detached | Freehold |
| 19 Northwick Park Road, Harrow, HA1 2NY | Oct 2024 | £1,170,000 | Detached | Freehold |
| Flat 40, Randolph House, 2 - 12 Northwick Park Road, Harrow, HA1 2NU | Aug 2024 | £420,000 | Flat / maisonette | Leasehold |
| Flat 25, Randolph House, 2 - 12 Northwick Park Road, Harrow, HA1 2NU | Jul 2024 | £412,500 | Flat / maisonette | Leasehold |
| 29 Northwick Park Road, Harrow, HA1 2NY | Jan 2024 | £685,000 | Semi-detached | Freehold |
| 9 Northwick Park Road, Harrow, HA1 2NY | Sep 2023 | £850,000 | Semi-detached | Freehold |
| Flat 2, Garth Court, 28 Northwick Park Road, Harrow, HA1 2ER | Sep 2023 | £245,000 | Flat / maisonette | Leasehold |
| Flat 6, Randolph House, 2 - 12 Northwick Park Road, Harrow, HA1 2NU | Jun 2023 | £415,000 | Flat / maisonette | Leasehold |
| Flat 3, Randolph House, 2 - 12 Northwick Park Road, Harrow, HA1 2NU | Jan 2023 | £545,950 | Flat / maisonette | Leasehold |
| 15 Northwick Park Road, Harrow, HA1 2NY | Jan 2023 | £1,060,000 | Detached | Freehold |
| Flat 49, Randolph House, 2 - 12 Northwick Park Road, Harrow, HA1 2NU | Dec 2022 | £364,950 | Flat / maisonette | Leasehold |
| Flat 42, Randolph House, 2 - 12 Northwick Park Road, Harrow, HA1 2NU | Nov 2022 | £397,950 | Flat / maisonette | Leasehold |
| Flat 12, Randolph House, 2 - 12 Northwick Park Road, Harrow, HA1 2NU | Nov 2022 | £260,000 | Flat / maisonette | Leasehold |
| Flat 27, Randolph House, 2 - 12 Northwick Park Road, Harrow, HA1 2NU | Jul 2022 | £490,000 | Flat / maisonette | Leasehold |
| Flat 41, Randolph House, 2 - 12 Northwick Park Road, Harrow, HA1 2NU | Jul 2022 | £370,000 | Flat / maisonette | Leasehold |
| Flat 39, Randolph House, 2 - 12 Northwick Park Road, Harrow, HA1 2NU | May 2022 | £284,522 | Flat / maisonette | Leasehold |
| Flat 35, Randolph House, 2 - 12 Northwick Park Road, Harrow, HA1 2NU | Mar 2022 | £281,095 | Flat / maisonette | Leasehold |
| Flat 13, Randolph House, 2 - 12 Northwick Park Road, Harrow, HA1 2NU | Mar 2022 | £277,491 | Flat / maisonette | Leasehold |
| Flat 44, Randolph House, 2 - 12 Northwick Park Road, Harrow, HA1 2NU | Mar 2022 | £503,995 | Flat / maisonette | Leasehold |
| Flat 46, Randolph House, 2 - 12 Northwick Park Road, Harrow, HA1 2NU | Jan 2022 | £530,000 | Flat / maisonette | Leasehold |
| Flat 24, Randolph House, 2 - 12 Northwick Park Road, Harrow, HA1 2NU | Jan 2022 | £280,751 | Flat / maisonette | Leasehold |
| Flat 16, Randolph House, 2 - 12 Northwick Park Road, Harrow, HA1 2NU | Jan 2022 | £284,278 | Flat / maisonette | Leasehold |
| Flat 32, Randolph House, 2 - 12 Northwick Park Road, Harrow, HA1 2NU | Aug 2021 | £554,354 | Flat / maisonette | Leasehold |
| Flat 23, Randolph House, 2 - 12 Northwick Park Road, Harrow, HA1 2NU | Aug 2021 | £340,247 | Flat / maisonette | Leasehold |