| Flat 4, Garth Court, 28 Northwick Park Road, Harrow, HA1 2ER | May 2025 | £212,500 | Flat / maisonette | Leasehold |
| Flat 2, Garth Court, 28 Northwick Park Road, Harrow, HA1 2ER | Sep 2023 | £245,000 | Flat / maisonette | Leasehold |
| Flat 13, Garth Court, 28 Northwick Park Road, Harrow, HA1 2ER | Apr 2021 | £293,500 | Flat / maisonette | Leasehold |
| Flat 1, Garth Court, 28 Northwick Park Road, Harrow, HA1 2ER | Mar 2021 | £232,500 | Flat / maisonette | Leasehold |
| Flat 8, Garth Court, 28 Northwick Park Road, Harrow, HA1 2ER | Apr 2014 | £195,000 | Flat / maisonette | Leasehold |
| Flat 11, Garth Court, 28 Northwick Park Road, Harrow, HA1 2ER | Oct 2011 | £172,000 | Flat / maisonette | Leasehold |
| Flat 16, Garth Court, 28 Northwick Park Road, Harrow, HA1 2ER | Sep 2007 | £241,000 | Flat / maisonette | Leasehold |
| Flat 9, Garth Court, 28 Northwick Park Road, Harrow, HA1 2ER | Dec 2006 | £242,500 | Flat / maisonette | Leasehold |
| Flat 15, Garth Court, 28 Northwick Park Road, Harrow, HA1 2ER | Jul 2006 | £210,000 | Flat / maisonette | Leasehold |
| Flat 3, Garth Court, 28 Northwick Park Road, Harrow, HA1 2ER | Dec 2005 | £220,000 | Flat / maisonette | Leasehold |
| Flat 17, Garth Court, 28 Northwick Park Road, Harrow, HA1 2ER | Jun 2004 | £167,000 | Flat / maisonette | Leasehold |
| Flat 5, Garth Court, 28 Northwick Park Road, Harrow, HA1 2ER | Dec 2003 | £193,000 | Flat / maisonette | Leasehold |
| Flat 10, Garth Court, 28 Northwick Park Road, Harrow, HA1 2ER | May 2002 | £145,000 | Flat / maisonette | Leasehold |
| Flat 6, Garth Court, 28 Northwick Park Road, Harrow, HA1 2ER | Jan 2001 | £109,000 | Flat / maisonette | Leasehold |
| Flat 7, Garth Court, 28 Northwick Park Road, Harrow, HA1 2ER | Nov 2000 | £145,000 | Flat / maisonette | Leasehold |
| Flat 14, Garth Court, 28 Northwick Park Road, Harrow, HA1 2ER | Sep 1998 | £115,000 | Flat / maisonette | Leasehold |