| 1A Harpenden Road, London | Freehold | 66 m² | £525,000 (2021) |
| 3 Harpenden Road, London | Freehold | 115 m² | £775,000 (2025) |
| 7, Harpenden Road, London | Freehold | 116 m² | £521,000 (2014) |
| 11, Harpenden Road, London | Freehold | 58 m² | £81,500 (2000) |
| 15, Harpenden Road, London | Freehold | 109 m² | £805,000 (2015) |
| 21 Harpenden Road, London | Leasehold | 51 m² | £420,000 (2016) |
| 21A, Harpenden Road, London | Leasehold | 73 m² | £475,000 (2021) |
| 23A, Harpenden Road, London | Freehold | 68 m² | £281,000 (2005) |
| 27 Harpenden Road, London | Freehold | 119 m² | £550,000 (2016) |
| 29B Harpenden Road, London | - | 81 m² | - |
| 33 Harpenden Road, London | - | 168 m² | - |
| 35, Harpenden Road, London | Freehold | 152 m² | £844,000 (2019) |
| 37, Harpenden Road, London | Freehold | 133 m² | £455,000 (2013) |
| 45A, Harpenden Road, London | Leasehold | 86 m² | £121,500 (2001) |
| 47A Harpenden Road, London, London | - | 97 m² | - |
| 49A, Harpenden Road, London | Freehold | 117 m² | £58,500 (1997) |
| Flat 1, 1 Harpenden Road, London | - | 40 m² | - |
| Flat 1, 31 Harpenden Road, London | - | 22 m² | - |
| Flat 1, 53 Harpenden Road, London | Leasehold | 56 m² | £214,950 (2010) |
| Flat 2, 31 Harpenden Road, London | - | 16 m² | - |
| Flat 3, 31 Harpenden Road, London | - | 22 m² | - |
| Flat 4, 31 Harpenden Road, London | - | 25 m² | - |
| Flat 5, 31 Harpenden Road, London | - | 22 m² | - |
| Flat 6, 31 Harpenden Road, London | - | 16 m² | - |
| Flat 7, 31 Harpenden Road, London | - | 18 m² | - |
| Flat A, 29 Harpenden Road, London | Leasehold | 52 m² | £450,000 (2024) |
| Front Flat, 51 Harpenden Road, London | - | 37 m² | - |
| Front Flat, 51 Harpenden Road, London | - | 37 m² | - |
| Ground Floor Flat, 11 Harpenden Road, London | - | 80 m² | - |
| Rear Flat, 51 Harpenden Road, London | - | 45 m² | - |
| Top Floor Flat, 11 Harpenden Road, London | - | 79 m² | - |
