| Flat 1, Heron Place, Colnebank Drive, Watford | - | 80 m² | - |
| Flat 2, Heron Place, Colnebank Drive, Watford | - | 74 m² | - |
| Flat 3, Heron Place, Colnebank Drive, Watford | - | 75 m² | - |
| Flat 4, Heron Place, Colnebank Drive, Watford | Leasehold | 73 m² | £400,000 (2025) |
| Flat 5, Heron Place, Colnebank Drive, Watford | Leasehold | 76 m² | £431,000 (2025) |
| Flat 6, Heron Place, Colnebank Drive, Watford | Leasehold | 73 m² | £424,950 (2022) |
| Flat 7, Heron Place, Colnebank Drive, Watford | Leasehold | 78 m² | £424,950 (2022) |
| Flat 8, Heron Place, Colnebank Drive, Watford | Leasehold | 76 m² | £439,950 (2023) |
| Flat 9, Heron Place, Colnebank Drive, Watford | Leasehold | 73 m² | £409,950 (2023) |
| Flat 10, Heron Place, Colnebank Drive, Watford | Leasehold | 76 m² | £430,000 (2024) |
| Flat 11, Heron Place, Colnebank Drive, Watford | Leasehold | 75 m² | £434,950 (2022) |
| Flat 12, Heron Place, Colnebank Drive, Watford | Leasehold | 75 m² | £449,950 (2023) |
| Flat 13, Heron Place, Colnebank Drive, Watford | - | 74 m² | - |
| Flat 14, Heron Place, Colnebank Drive, Watford | Leasehold | 75 m² | £419,950 (2025) |
| Flat 15, Heron Place, Colnebank Drive, Watford | Leasehold | 92 m² | £519,950 (2022) |
| Flat 16, Heron Place, Colnebank Drive, Watford | Leasehold | 71 m² | £389,950 (2023) |
| Flat 17, Heron Place, Colnebank Drive, Watford | Leasehold | 55 m² | £283,950 (2022) |
| Flat 18, Heron Place, Colnebank Drive, Watford | Leasehold | 72 m² | £414,950 (2024) |
| Flat 19, Heron Place, Colnebank Drive, Watford | Leasehold | 79 m² | £449,950 (2023) |
| Flat 20, Heron Place, Colnebank Drive, Watford | Leasehold | 80 m² | £437,070 (2024) |
| Flat 21, Heron Place, Colnebank Drive, Watford | - | 74 m² | - |
| Flat 22, Heron Place, Colnebank Drive, Watford | Leasehold | 75 m² | £430,000 (2024) |
| Flat 23, Heron Place, Colnebank Drive, Watford | Leasehold | 73 m² | £395,000 (2025) |
| Flat 24, Heron Place, Colnebank Drive, Watford | Leasehold | 76 m² | £438,950 (2024) |
| Flat 25, Heron Place, Colnebank Drive, Watford | Leasehold | 73 m² | £424,950 (2022) |
| Flat 26, Heron Place, Colnebank Drive, Watford | Leasehold | 78 m² | £429,950 (2022) |
| Flat 27, Heron Place, Colnebank Drive, Watford | Leasehold | 76 m² | £439,950 (2024) |
| Flat 28, Heron Place, Colnebank Drive, Watford | Leasehold | 73 m² | £409,950 (2022) |
| Flat 29, Heron Place, Colnebank Drive, Watford | Leasehold | 76 m² | £434,950 (2022) |
| Flat 30, Heron Place, Colnebank Drive, Watford | Leasehold | 59 m² | £325,000 (2023) |
| Flat 31, Heron Place, Colnebank Drive, Watford | Leasehold | 75 m² | £410,000 (2022) |
| Flat 32, Heron Place, Colnebank Drive, Watford | Leasehold | 75 m² | £413,950 (2022) |
| Flat 33, Heron Place, Colnebank Drive, Watford | Leasehold | 74 m² | £417,150 (2025) |
| Flat 34, Heron Place, Colnebank Drive, Watford | Leasehold | 76 m² | £439,950 (2025) |
| Flat 35, Heron Place, Colnebank Drive, Watford | - | 76 m² | - |
| Flat 36, Heron Place, Colnebank Drive, Watford | Leasehold | 75 m² | £439,950 (2025) |
| Flat 37, Heron Place, Colnebank Drive, Watford | Leasehold | 92 m² | £524,950 (2022) |
| Flat 38, Heron Place, Colnebank Drive, Watford | Leasehold | 71 m² | £397,950 (2022) |
| Flat 39, Heron Place, Colnebank Drive, Watford | Leasehold | 55 m² | £369,950 (2026) |
| Flat 40, Heron Place, Colnebank Drive, Watford | Leasehold | 72 m² | £429,950 (2023) |
| Flat 41, Heron Place, Colnebank Drive, Watford | Leasehold | 79 m² | £444,550 (2022) |
| Flat 42, Heron Place, Colnebank Drive, Watford | Leasehold | 80 m² | £439,950 (2024) |
| Flat 43, Heron Place, Colnebank Drive, Watford | - | 74 m² | - |
| Flat 44, Heron Place, Colnebank Drive, Watford | Leasehold | 75 m² | £423,203 (2025) |
| Flat 45, Heron Place, Colnebank Drive, Watford | Leasehold | 73 m² | £409,950 (2024) |
| Flat 46, Heron Place, Colnebank Drive, Watford | - | 76 m² | - |
| Flat 47, Heron Place, Colnebank Drive, Watford | Leasehold | 73 m² | £429,950 (2022) |
| Flat 48, Heron Place, Colnebank Drive, Watford | Leasehold | 78 m² | £454,950 (2023) |
| Flat 49, Heron Place, Colnebank Drive, Watford | Leasehold | 76 m² | £425,450 (2022) |
| Flat 50, Heron Place, Colnebank Drive, Watford | Leasehold | 73 m² | £390,000 (2022) |
| Flat 51, Heron Place, Colnebank Drive, Watford | Leasehold | 76 m² | £434,950 (2023) |
| Flat 52, Heron Place, Colnebank Drive, Watford | Leasehold | 59 m² | £330,000 (2023) |
| Flat 53, Heron Place, Colnebank Drive, Watford | Leasehold | 75 m² | £435,950 (2022) |
| Flat 54, Heron Place, Colnebank Drive, Watford | Leasehold | 75 m² | £449,950 (2023) |
| Flat 55, Heron Place, Colnebank Drive, Watford | - | 74 m² | - |
| Flat 56, Heron Place, Colnebank Drive, Watford | Leasehold | 76 m² | £439,950 (2025) |
| Flat 57, Heron Place, Colnebank Drive, Watford | - | 76 m² | - |
| Flat 58, Heron Place, Colnebank Drive, Watford | Leasehold | 75 m² | £429,950 (2024) |
| Flat 59, Heron Place, Colnebank Drive, Watford | Leasehold | 92 m² | £514,950 (2023) |
| Flat 60, Heron Place, Colnebank Drive, Watford | Leasehold | 71 m² | £419,950 (2024) |
| Flat 61, Heron Place, Colnebank Drive, Watford | Leasehold | 55 m² | £283,950 (2022) |
| Flat 62, Heron Place, Colnebank Drive, Watford | Leasehold | 72 m² | £404,950 (2022) |
| Flat 63, Heron Place, Colnebank Drive, Watford | Leasehold | 79 m² | £449,950 (2023) |
