| 13, OTTERTON CLOSE HARPENDEN HERTFORDSHIRE AL5 3BE | £895,000 2025-03-21 semidetached freehold |
| 27, GROVE ROAD HARPENDEN HERTFORDSHIRE AL5 1QG | £480,000 2025-03-21 terraced freehold |
| 24, TINTERN CLOSE HARPENDEN HERTFORDSHIRE AL5 3NZ | £940,000 2025-03-20 detached freehold |
| 349, LUTON ROAD HARPENDEN HERTFORDSHIRE AL5 3LZ | £720,000 2025-03-20 semidetached freehold |
| 23, TOPSTREET WAY HARPENDEN HERTFORDSHIRE AL5 5TU | £1,595,000 2025-03-19 detached freehold |
| 10, KINGS COURT HARPENDEN HERTFORDSHIRE AL5 1NY | £355,000 2025-03-14 flatmaisonette leasehold |
| 3, RYE CLOSE HARPENDEN HERTFORDSHIRE AL5 4LD | £982,500 2025-03-10 semidetached freehold |
| HOLLY LODGE, 12 (5), CLARENCE ROAD HARPENDEN HERTFORDSHIRE AL5 4AJ | £621,000 2025-03-04 flatmaisonette leasehold |
| 61, NORTHFIELD ROAD HARPENDEN HERTFORDSHIRE AL5 5JA | £234,000 2025-02-28 flatmaisonette leasehold |
| 60, STATION ROAD HARPENDEN HERTFORDSHIRE AL5 4TL | £1,195,000 2025-01-17 semidetached freehold |
| 3, GRANBY AVENUE HARPENDEN HERTFORDSHIRE AL5 5QP | £1,115,000 2025-01-10 detached freehold |
| 6, LODGE GARDENS HARPENDEN HERTFORDSHIRE AL5 4JE | £780,000 2024-12-16 terraced freehold |
| 5, ASHCROFT CLOSE HARPENDEN HERTFORDSHIRE AL5 1JJ | £1,137,000 2024-12-10 detached freehold |
| 24A, ROUNDWOOD LANE HARPENDEN HERTFORDSHIRE AL5 3BZ | £2,125,000 2024-12-09 detached freehold |
| 22, ROUNDWOOD LANE HARPENDEN HERTFORDSHIRE AL5 3BZ | £1,540,000 2024-12-09 detached freehold |
| 49A, MEADWAY HARPENDEN HERTFORDSHIRE AL5 1JN | £600,000 2024-12-06 terraced freehold |
| 8, ST JAMES COURT HARPENDEN HERTFORDSHIRE AL5 4UW | £266,000 2024-12-03 flatmaisonette leasehold |
| 140A, WESTFIELD ROAD HARPENDEN HERTFORDSHIRE AL5 4NA | £300,000 2024-11-29 flatmaisonette leasehold |
| STATION HOUSE, 2 - 6 (1), STATION APPROACH HARPENDEN HERTFORDSHIRE AL5 4SS | £310,000 2024-11-28 flatmaisonette (New) leasehold |
| 9A, STATION ROAD HARPENDEN HERTFORDSHIRE AL5 4AA | £450,000 2024-11-26 flatmaisonette leasehold |