| 4 Bellfield Avenue, Harrow, HA3 6SX | Apr 2026 | £1,500,000 | Detached | Freehold |
| 7 Bellfield Avenue, Harrow, HA3 6ST | Dec 2024 | £1,600,000 | Detached | Freehold |
| 19 Bellfield Avenue, Harrow, HA3 6ST | Aug 2024 | £1,700,000 | Detached | Freehold |
| 35 Bellfield Avenue, Harrow, HA3 6ST | Mar 2023 | £1,575,000 | Detached | Freehold |
| 37 Bellfield Avenue, Harrow, HA3 6ST | Jan 2023 | £1,300,000 | Detached | Freehold |
| 18 Bellfield Avenue, Harrow, HA3 6SX | Jul 2021 | £1,450,000 | Detached | Freehold |
| 36 Bellfield Avenue, Harrow, HA3 6SX | May 2020 | £852,500 | Detached | Freehold |
| 41 Bellfield Avenue, Harrow, HA3 6ST | Dec 2018 | £1,345,000 | Detached | Freehold |
| 16 Bellfield Avenue, Harrow, HA3 6SX | Sep 2017 | £1,275,000 | Detached | Freehold |
| 2 Bellfield Avenue, Harrow, HA3 6SX | Mar 2016 | £1,185,000 | Detached | Freehold |
| 3 Bellfield Avenue, Harrow, HA3 6ST | Jun 2015 | £925,000 | Detached | Freehold |
| 38 Bellfield Avenue, Harrow, HA3 6SX | Mar 2015 | £1,175,000 | Detached | Freehold |
| 42 Bellfield Avenue, Harrow, HA3 6SX | Nov 2014 | £740,000 | Semi-detached | Freehold |
| 40 Bellfield Avenue, Harrow, HA3 6SX | Sep 2013 | £863,000 | Detached | Freehold |
| 28 Bellfield Avenue, Harrow, HA3 6SX | Jul 2012 | £865,000 | Detached | Freehold |
| 11 Bellfield Avenue, Harrow, HA3 6ST | Jun 2012 | £630,000 | Detached | Freehold |
| 9 Bellfield Avenue, Harrow, HA3 6ST | Sep 2011 | £735,000 | Detached | Freehold |
| 20 Bellfield Avenue, Harrow, HA3 6SX | Jan 2009 | £630,000 | Detached | Freehold |
| 10A Bellfield Avenue, Harrow, HA3 6SX | Jan 2009 | £475,000 | Detached | Freehold |
| 1 Bellfield Avenue, Harrow, HA3 6ST | Mar 2007 | £414,000 | Detached | Freehold |
| 17 Bellfield Avenue, Harrow, HA3 6ST | Jan 2007 | £670,000 | Detached | Freehold |
| 5 Bellfield Avenue, Harrow, HA3 6ST | Oct 2006 | £747,000 | Detached | Freehold |
| 32 Bellfield Avenue, Harrow, HA3 6SX | Feb 2005 | £550,000 | Detached | Freehold |
| 6 Bellfield Avenue, Harrow, HA3 6SX | Sep 2004 | £469,950 | Detached | Freehold |
| 33 Bellfield Avenue, Harrow, HA3 6ST | Oct 2002 | £675,000 | Semi-detached | Freehold |
| 26 Bellfield Avenue, Harrow, HA3 6SX | Jul 2002 | £575,000 | Detached | Freehold |
| 34 Bellfield Avenue, Harrow, HA3 6SX | Jun 2001 | £404,700 | Detached | Freehold |
| 25 Bellfield Avenue, Harrow, HA3 6ST | Aug 2000 | £500,000 | Detached | Freehold |
| 8 Bellfield Avenue, Harrow, HA3 6SX | Apr 2000 | £370,000 | Detached | Freehold |
| 17A Bellfield Avenue, Harrow, HA3 6ST | Feb 1999 | £250,000 | Detached | Freehold |