| 2 Clarendon Court, Clarendon Road, Harpenden | - | 64 m² | - |
| 3 Clarendon Court, Clarendon Road, Harpenden, Harpenden | - | 58 m² | - |
| 4 Clarendon Court, Clarendon Road, Harpenden, Harpenden | - | 62 m² | - |
| 5 Clarendon Court, Clarendon Road, Harpenden | - | 64 m² | - |
| 6 Clarendon Court, Clarendon Road, Harpenden | - | 61 m² | - |
| 7 Clarendon Court, Clarendon Road, Harpenden, Harpenden | - | 56 m² | - |
| 8 Clarendon Court, Clarendon Road, Harpenden | - | 64 m² | - |
| 9 Clarendon Court, Clarendon Road, Harpenden | Leasehold | 66 m² | £270,000 (2016) |
| 10 Clarendon Court, Clarendon Road, Harpenden | - | 64 m² | - |
| 11 Clarendon Court, Clarendon Road, Harpenden | Leasehold | 62 m² | £248,000 (2020) |
| 12 Clarendon Court, Clarendon Road, Harpenden | - | 61 m² | - |
| 13 Clarendon Court, Clarendon Road, Harpenden | Leasehold | 66 m² | £255,000 (2023) |
| 14 Clarendon Court, Clarendon Road, Harpenden | - | 58 m² | - |
| 15 Clarendon Court, Clarendon Road, Harpenden | Leasehold | 62 m² | £266,000 (2023) |
| 16 Clarendon Court, Clarendon Road, Harpenden | - | 58 m² | - |
| 17 Clarendon Court, Clarendon Road, Harpenden | Leasehold | 58 m² | £265,000 (2026) |
| 18 Clarendon Court, Clarendon Road, Harpenden | Leasehold | 58 m² | £287,000 (2016) |
| 19 Clarendon Court, Clarendon Road, Harpenden | - | 58 m² | - |
| 21 Clarendon Court, Clarendon Road, Harpenden, Harpenden | - | 72 m² | - |
| 22 Clarendon Court, Clarendon Road, Harpenden | Leasehold | 46 m² | £267,000 (2023) |
| 23 Clarendon Court, Clarendon Road, Harpenden | Leasehold | 61 m² | £291,000 (2023) |
| 24 Clarendon Court, Clarendon Road, Harpenden | Leasehold | 58 m² | £268,000 (2025) |
| 25 Clarendon Court, Clarendon Road, Harpenden | Leasehold | 61 m² | £270,050 (2022) |
| 26 Clarendon Court, Clarendon Road, Harpenden, Harpenden | Leasehold | 60 m² | £259,000 (2022) |
| 27 Clarendon Court, Clarendon Road, Harpenden | Leasehold | 55 m² | £222,000 (2022) |
| 28 Clarendon Court, Clarendon Road, Harpenden, Harpenden | - | 60 m² | - |
| 29 Clarendon Court, Clarendon Road, Harpenden | Leasehold | 71 m² | £258,000 (2017) |
| 30 Clarendon Court, Clarendon Road, Harpenden, Harpenden | - | 60 m² | - |
| 31 Clarendon Court, Clarendon Road, Harpenden | - | 68 m² | - |
| 32 Clarendon Court, Clarendon Road, Harpenden, Harpenden | - | 60 m² | - |
