| 29 Northwick Circle, Harrow, HA3 0EE | Feb 2022 | £1,450,000 | Detached | Freehold |
| 9 Northwick Circle, Harrow, HA3 0EJ | May 2021 | £1,480,000 | Detached | Freehold |
| 15 Northwick Circle, Harrow, HA3 0EJ | Jul 2019 | £1,325,000 | Detached | Freehold |
| 7 Northwick Circle, Harrow, HA3 0EH | Apr 2018 | £1,625,000 | Detached | Freehold |
| 26 Northwick Circle, Harrow, HA3 0EE | Dec 2016 | £1,565,000 | Detached | Freehold |
| 13 Northwick Circle, Harrow, HA3 0EJ | Jul 2015 | £1,020,000 | Detached | Freehold |
| 30 Northwick Circle, Harrow, HA3 0EE | Nov 2014 | £1,100,000 | Detached | Freehold |
| 33 Northwick Circle, Harrow, HA3 0EE | Aug 2009 | £690,000 | Semi-detached | Freehold |
| 18 Northwick Circle, Harrow, HA3 0EJ | Jan 2008 | £920,000 | Detached | Freehold |
| 23 Northwick Circle, Harrow, HA3 0DY | Feb 2007 | £830,000 | Detached | Freehold |
| 1 Northwick Circle, Harrow, HA3 0EQ | Mar 2002 | £525,000 | Detached | Freehold |
| 14 Northwick Circle, Harrow, HA3 0EJ | Nov 1999 | £360,000 | Detached | Freehold |
| 31 Northwick Circle, Harrow, HA3 0EE | Oct 1998 | £409,950 | Detached | Freehold |
| 25 Northwick Circle, Harrow, HA3 0DY | Jun 1998 | £367,500 | Detached | Freehold |
| 22 Northwick Circle, Harrow, HA3 0DY | Nov 1997 | £399,000 | Detached | Freehold |
| 6 Northwick Circle, Harrow, HA3 0EH | Jun 1997 | £340,000 | Detached | Freehold |
| 28 Northwick Circle, Harrow, HA3 0EE | May 1996 | £305,000 | Detached | Freehold |
| 10 Northwick Circle, Harrow, HA3 0EJ | Jul 1995 | £255,500 | Detached | Freehold |