| 1A Clarence Road, Harpenden | Freehold | 210 m² | £450,000 (2004) |
| 2, Clarence Road, Harpenden | Freehold | 132 m² | £855,000 (2019) |
| 2B, Clarence Road, Harpenden | Freehold | 180 m² | £1,200,000 (2021) |
| 5, Clarence Road, Harpenden | Freehold | 201 m² | £1,504,000 (2020) |
| 7 Clarence Road, Harpenden | Freehold | 226 m² | £1,840,000 (2026) |
| 9, Clarence Road, Harpenden | Freehold | 201 m² | £1,625,000 (2017) |
| 10 Clarence Road, Harpenden | Freehold | 207 m² | £861,000 (2007) |
| 11 Clarence Road, Harpenden | Freehold | 252 m² | £1,720,000 (2022) |
| 12A Clarence Road, Harpenden | Freehold | 93 m² | £775,000 (2023) |
| 13 Clarence Road, Harpenden | Freehold | 236 m² | £650,000 (2009) |
| 15, Clarence Road, Harpenden | Freehold | 155 m² | £960,000 (2014) |
| 19, Clarence Road, Harpenden | Freehold | 226 m² | £1,540,000 (2015) |
| Flat 1, 12 Clarence Road, Harpenden | Leasehold | 61 m² | £420,000 (2022) |
| Flat 2, 12 Clarence Road, Harpenden | - | 117 m² | - |
| Flat 3, 12 Clarence Road, Harpenden | - | 47 m² | - |
| Flat 4, 12 Clarence Road, Harpenden | Leasehold | 87 m² | £740,000 (2021) |
| Flat 5, 12 Clarence Road, Harpenden | - | 94 m² | - |
| Lancaster Lodge, 4A Clarence Road, Harpenden | Freehold | 261 m² | £835,000 (2009) |
| Warwick House, 4B Clarence Road, Harpenden | Freehold | 271 m² | £1,095,000 (2011) |
