| 31 Warden Avenue, Harrow | Freehold | 73 m² | £272,500 (2011) |
| 33, Warden Avenue, Harrow | Freehold | 77 m² | £456,500 (2021) |
| 37 Warden Avenue, Rayners Lane, Harrow, Harrow | Freehold | 86 m² | £470,000 (2021) |
| 39 Warden Avenue, Harrow | Freehold | 71 m² | £282,000 (2010) |
| 41, Warden Avenue, Harrow | Freehold | 39 m² | £140,000 (2000) |
| 43 Warden Avenue, Harrow | Freehold | 106 m² | £617,000 (2025) |
| 49 Warden Avenue, Harrow | Leasehold | 43 m² | £222,500 (2007) |
| 49A, Warden Avenue, Harrow | - | 39 m² | - |
| 51, Warden Avenue, Harrow | Freehold | 93 m² | £335,000 (2012) |
| 53, Warden Avenue, Harrow | Freehold | 75 m² | £595,000 (2026) |
| 55 Warden Avenue, Middlesex | - | 79 m² | - |
| 59, Warden Avenue, Harrow | Freehold | 82 m² | £249,950 (2005) |
| 61 Warden Avenue, Harrow | - | 124 m² | - |
| 65 Warden Avenue, Harrow | Freehold | 101 m² | £710,000 (2025) |
| 67A Warden Avenue, Harrow | - | 45 m² | - |
| 67B, Warden Avenue, Harrow | - | 37 m² | - |
| 71 Warden Avenue, Harrow | - | 94 m² | - |
| 79 Warden Avenue, Harrow | Freehold | 76 m² | £483,000 (2017) |
| 81 Warden Avenue, Harrow | - | 95 m² | - |
| 83 Warden Avenue, Rayners Lane, Harrow, Harrow | Freehold | 97 m² | £315,000 (2011) |
| 85 Warden Avenue, Harrow | Freehold | 76 m² | £179,000 (2001) |
| 87 Warden Avenue, Harrow | Freehold | 92 m² | £235,000 (2005) |
| 89, Warden Avenue, Harrow | Freehold | 81 m² | £248,000 (2006) |
| 91, Warden Avenue, Harrow | Freehold | 73 m² | £290,000 (2011) |
| 93 Warden Avenue, Harrow | - | 76 m² | - |
| 97, Warden Avenue, Harrow | Freehold | 75 m² | £525,000 (2026) |
| 99 Warden Avenue, Rayners Lane, Harrow, Harrow | Freehold | 84 m² | £245,000 (2003) |
| 101 Warden Avenue, Harrow | Freehold | 74 m² | £580,000 (2022) |
| 107, Warden Avenue, Harrow | Freehold | 77 m² | £465,000 (2019) |
| Flat 1, 41 Warden Avenue, Rayners Lane, Harrow | - | 49 m² | - |
