| 1, Gilpin Green, Harpenden | Leasehold | 65 m² | £370,000 (2020) |
| 3 Gilpin Green, Harpenden | Leasehold | 106 m² | £570,000 (2022) |
| 7 Gilpin Green, Harpenden | Leasehold | 59 m² | £345,000 (2024) |
| 9 Gilpin Green, Harpenden, Harpenden | Leasehold | 59 m² | £376,000 (2021) |
| 11 Gilpin Green, Harpenden | Leasehold | 59 m² | £370,000 (2026) |
| 13, Gilpin Green, Harpenden | Leasehold | 58 m² | £285,000 (2017) |
| 15 Gilpin Green, Harpenden | Leasehold | 58 m² | £250,000 (2008) |
| 17, Gilpin Green, Harpenden | Leasehold | 55 m² | £387,500 (2016) |
| 19, Gilpin Green, Harpenden | Leasehold | 59 m² | £364,500 (2023) |
| 21 Gilpin Green, Harpenden | Leasehold | 60 m² | £362,500 (2024) |
| 25 Gilpin Green, Harpenden, Harpenden | Leasehold | 56 m² | £93,500 (1999) |
| 27, Gilpin Green, Harpenden | Freehold | 59 m² | £3,000 (2020) |
| 29 Gilpin Green, Harpenden, Harpenden | Leasehold | 56 m² | £198,000 (2004) |
| 31, Gilpin Green, Harpenden | Leasehold | 59 m² | £154,000 (2002) |
| 33, Gilpin Green, Harpenden | - | 57 m² | - |
| 35, Gilpin Green, Harpenden | Leasehold | 59 m² | £365,000 (2022) |
| 41, Gilpin Green, Harpenden | - | 152 m² | - |
| 41A, Gilpin Green, Harpenden | - | 288 m² | - |
| 47, Gilpin Green, Harpenden | - | 149 m² | - |
| 51 Gilpin Green, Harpenden | Freehold | 209 m² | £1,000 (2022) |
