| 6, Courtfield Avenue, Harrow | Leasehold | 61 m² | £240,000 (2013) |
| 8, Courtfield Avenue, Harrow | - | 63 m² | - |
| 12 Courtfield Avenue, Harrow, Harrow | Leasehold | 60 m² | £157,500 (2004) |
| 16, Courtfield Avenue, Harrow | Freehold | 116 m² | £630,000 (2018) |
| 17, Courtfield Avenue, Harrow | Freehold | 128 m² | £320,000 (2007) |
| 19A, Courtfield Avenue, Harrow | Leasehold | 77 m² | £400,000 (2019) |
| 20 Courtfield Avenue, Harrow | Freehold | 163 m² | £360,000 (2007) |
| 22 Courtfield Avenue, Harrow | Freehold | 162 m² | £620,000 (2017) |
| 23, Courtfield Avenue, Harrow | Freehold | 116 m² | £95,015 (1996) |
| 24, Courtfield Avenue, Harrow | - | 126 m² | - |
| 25, Courtfield Avenue, Harrow | Freehold | 101 m² | £535,100 (2020) |
| 27 Courtfield Avenue, Harrow | Freehold | 88 m² | £562,000 (2023) |
| 29 Courtfield Avenue, Harrow | Freehold | 129 m² | £442,500 (2013) |
| 32, Courtfield Avenue, Harrow | Freehold | 100 m² | £520,000 (2019) |
| 35, Courtfield Avenue, Harrow | - | 101 m² | - |
| 36, Courtfield Avenue, Harrow | - | 143 m² | - |
| 39, Courtfield Avenue, Harrow | Freehold | 109 m² | £240,000 (2001) |
| 42, Courtfield Avenue, Harrow | - | 168 m² | - |
| 44 Courtfield Avenue, Harrow | Freehold | 131 m² | £337,500 (2011) |
| 46, Courtfield Avenue, Harrow | Freehold | 130 m² | £302,500 (2006) |