| 91 Courtenay Avenue, Harrow, HA3 6LJ | Oct 2024 | £448,000 | Terraced | Freehold |
| Flat 1, 157 Courtenay Avenue, Harrow, HA3 6LJ | Sep 2022 | £375,000 | Flat / maisonette | Leasehold |
| 149 Courtenay Avenue, Harrow, HA3 6LJ | Oct 2021 | £442,000 | Terraced | Freehold |
| 143 Courtenay Avenue, Harrow, HA3 6LJ | Sep 2021 | £555,000 | Semi-detached | Freehold |
| 161 Courtenay Avenue, Harrow, HA3 6LJ | Aug 2018 | £427,101 | Semi-detached | Freehold |
| Flat 2, 157 Courtenay Avenue, Harrow, HA3 6LJ | Oct 2017 | £315,000 | Flat / maisonette | Leasehold |
| 87 Courtenay Avenue, Harrow, HA3 6LJ | Jul 2017 | £403,000 | Terraced | Freehold |
| 81 Courtenay Avenue, Harrow, HA3 6LJ | Feb 2016 | £393,000 | Terraced | Freehold |
| 67 Courtenay Avenue, Harrow, HA3 6LJ | Jan 2016 | £365,000 | Terraced | Freehold |
| 157 Courtenay Avenue, Harrow, HA3 6LJ | Sep 2015 | £396,000 | Semi-detached | Freehold |
| 65 Courtenay Avenue, Harrow, HA3 6LJ | Feb 2012 | £250,000 | Terraced | Freehold |
| 85 Courtenay Avenue, Harrow, HA3 6LJ | Apr 2011 | £205,000 | Terraced | Freehold |
| 155 Courtenay Avenue, Harrow, HA3 6LJ | Jul 2009 | £220,000 | Semi-detached | Freehold |
| 129 Courtenay Avenue, Harrow, HA3 6LJ | Jun 2006 | £210,000 | Terraced | Freehold |
| 101 Courtenay Avenue, Harrow, HA3 6LJ | May 2005 | £197,000 | Terraced | Freehold |
| 159 Courtenay Avenue, Harrow, HA3 6LJ | Oct 2002 | £199,000 | Semi-detached | Freehold |
| 55 Courtenay Avenue, Harrow, HA3 6LJ | Oct 2002 | £138,000 | Terraced | Freehold |
| 83 Courtenay Avenue, Harrow, HA3 6LJ | Nov 2001 | £143,000 | Terraced | Freehold |
| 153 Courtenay Avenue, Harrow, HA3 6LJ | Nov 2001 | £157,000 | Terraced | Freehold |
| 151 Courtenay Avenue, Harrow, HA3 6LJ | Oct 2001 | £153,000 | Terraced | Freehold |
| 71 Courtenay Avenue, Harrow, HA3 6LJ | Sep 2001 | £72,250 | Terraced | Freehold |
| 105 Courtenay Avenue, Harrow, HA3 6LJ | Jul 1999 | £76,000 | Terraced | Freehold |
| 79 Courtenay Avenue, Harrow, HA3 6LJ | Nov 1998 | £88,000 | Terraced | Freehold |
| 89 Courtenay Avenue, Harrow, HA3 6LJ | Sep 1998 | £84,500 | Terraced | Freehold |
| 121 Courtenay Avenue, Harrow, HA3 6LJ | Dec 1997 | £77,250 | Semi-detached | Freehold |
| 135 Courtenay Avenue, Harrow, HA3 6LJ | May 1995 | £60,000 | Terraced | Freehold |
| 99 Courtenay Avenue, Harrow, HA3 6LJ | Mar 1995 | £65,000 | Terraced | Freehold |