| 18, TINTERN CLOSE HARPENDEN HERTFORDSHIRE AL5 3NZ | £690,000 2024-01-15 detached freehold |
| 8, ROUNDWOOD GARDENS HARPENDEN HERTFORDSHIRE AL5 3AJ | £1,380,000 2024-01-12 detached freehold |
| 15, SPENSER ROAD HARPENDEN HERTFORDSHIRE AL5 5NW | £1,350,000 2024-01-11 semidetached freehold |
| 22, WEST COMMON WAY HARPENDEN HERTFORDSHIRE AL5 2LG | £2,700,000 2024-01-09 detached freehold |
| BORODALE (7), KIRKWICK AVENUE HARPENDEN HERTFORDSHIRE AL5 2QW | £1,125,000 2024-01-08 flatmaisonette leasehold |
| 7, WESTMINSTER COURT HARPENDEN HERTFORDSHIRE AL5 1TH | £347,000 2024-01-08 flatmaisonette leasehold |
| GIBRALTAR LODGE (10), BATFORD ROAD HARPENDEN HERTFORDSHIRE AL5 5AS | £487,500 2024-01-08 terraced freehold |
| 30, SHEPHERDS WAY HARPENDEN HERTFORDSHIRE AL5 3HF | £625,000 2024-01-05 terraced freehold |
| 4, MORETON END CLOSE HARPENDEN HERTFORDSHIRE AL5 2EZ | £923,000 2024-01-05 detached freehold |
| 68, WHEATHAMPSTEAD ROAD HARPENDEN HERTFORDSHIRE AL5 1NE | £1,187,500 2024-01-05 detached freehold |
| 22, ROUNDFIELD AVENUE HARPENDEN HERTFORDSHIRE AL5 5BE | £651,000 2024-01-04 semidetached freehold |
| 33, SPRINGFIELD CRESCENT HARPENDEN HERTFORDSHIRE AL5 4LG | £537,000 2023-12-21 semidetached freehold |
| 1, HIGH STREET HARPENDEN HERTFORDSHIRE AL5 2RS | £1,550,000 2023-12-21 otherPropertyType freehold |
| 1, HIGH STREET HARPENDEN HERTFORDSHIRE AL5 2RS | £1,325,000 2023-12-21 otherPropertyType freehold |
| 29 (FLAT 5), HIGH STREET HARPENDEN HERTFORDSHIRE AL5 2RU | £275,000 2023-12-21 flatmaisonette leasehold |
| 2, LANGDALE AVENUE HARPENDEN HERTFORDSHIRE AL5 5QU | £860,000 2023-12-20 semidetached freehold |
| 26, BATFORD ROAD HARPENDEN HERTFORDSHIRE AL5 5AT | £440,000 2023-12-20 semidetached freehold |
| 45, EASTCOTE DRIVE HARPENDEN HERTFORDSHIRE AL5 1SE | £695,000 2023-12-20 detached freehold |
| 19, GILPIN GREEN HARPENDEN HERTFORDSHIRE AL5 5NP | £364,500 2023-12-19 otherPropertyType leasehold |
| 31, CARPENDERS CLOSE HARPENDEN HERTFORDSHIRE AL5 3HN | £685,000 2023-12-18 semidetached freehold |