| 38 Longfield Road, Harpenden, Harpenden | - | 89 m² | - |
| 40, Longfield Road, Harpenden | Freehold | 88 m² | £450,000 (2023) |
| 44, Longfield Road, Harpenden | Freehold | 87 m² | £520,000 (2023) |
| 45 Longfield Road, Harpenden | Freehold | 88 m² | £409,000 (2020) |
| 47 Longfield Road, Harpenden, Harpenden | - | 88 m² | - |
| 48 Longfield Road, Harpenden | - | 85 m² | - |
| 51 Longfield Road, Harpenden, Harpenden | - | 88 m² | - |
| 52, Longfield Road, Harpenden | - | 88 m² | - |
| 53, Longfield Road, Harpenden | Freehold | 88 m² | £480,000 (2022) |
| 54 Longfield Road, Harpenden, Harpenden | - | 91 m² | - |
| 55, Longfield Road, Harpenden | Freehold | 88 m² | £420,000 (2018) |
| 56 Longfield Road, Harpenden, Harpenden | - | 77 m² | - |
| 57 Longfield Road, Harpenden | - | 78 m² | - |
| 58 Longfield Road, Harpenden, Harpenden | Freehold | 101 m² | £540,000 (2021) |
| 59 Longfield Road, Harpenden, Harpenden | - | 77 m² | - |
| 60 Longfield Road, Harpenden, Harpenden | - | 85 m² | - |
| 61, Longfield Road, Harpenden | - | 77 m² | - |
| 62 Longfield Road, Harpenden | - | 75 m² | - |
| 63 Longfield Road, Harpenden, Harpenden | - | 79 m² | - |
| 64 Longfield Road, Harpenden, Harpenden | - | 79 m² | - |
| 65 Longfield Road, Harpenden | - | 77 m² | - |
| 66 Longfield Road, Harpenden | Freehold | 88 m² | £131,000 (2001) |
| 67 Longfield Road, Harpenden | Freehold | 77 m² | £440,000 (2022) |
| 69 Longfield Road, Harpenden, Harpenden | - | 91 m² | - |
