| 55, TUFFNELLS WAY HARPENDEN HERTFORDSHIRE AL5 3HA | £894,000 2025-01-24 detached freehold |
| 6, HIGH RIDGE HARPENDEN HERTFORDSHIRE AL5 3LL | £1,195,000 2025-01-24 detached freehold |
| 10, HOLLYBUSH LANE HARPENDEN HERTFORDSHIRE AL5 4AT | £1,846,000 2025-01-22 semidetached freehold |
| 35, COWPER ROAD HARPENDEN HERTFORDSHIRE AL5 5NF | £967,000 2025-01-22 semidetached freehold |
| 65, TOWNSEND LANE HARPENDEN HERTFORDSHIRE AL5 2RE | £1,250,000 2025-01-20 detached freehold |
| 15, BLOOMFIELD ROAD HARPENDEN HERTFORDSHIRE AL5 4DD | £554,917 2025-01-10 detached freehold |
| 27, BARLINGS ROAD HARPENDEN HERTFORDSHIRE AL5 2AW | £1,400,000 2025-01-10 detached freehold |
| 8, HOW FIELD HARPENDEN HERTFORDSHIRE AL5 3AU | £1,300,000 2025-01-09 detached freehold |
| 44, BATFORD ROAD HARPENDEN HERTFORDSHIRE AL5 5AT | £647,500 2025-01-06 semidetached freehold |
| 9, LANGDALE AVENUE HARPENDEN HERTFORDSHIRE AL5 5QU | £1,170,000 2024-12-06 semidetached freehold |
| 23, THE DEERINGS HARPENDEN HERTFORDSHIRE AL5 2PF | £2,285,000 2024-11-15 detached freehold |
| 20, MILLSTONE WAY HARPENDEN HERTFORDSHIRE AL5 5FE | £327,500 2024-11-15 flatmaisonette leasehold |
| 2, ANCASTER CLOSE HARPENDEN HERTFORDSHIRE AL5 4FL | £1,355,000 2024-11-01 detached freehold |
| 24, GREENWAY HARPENDEN HERTFORDSHIRE AL5 1NQ | £1,325,000 2024-11-01 detached freehold |
| HADDON COURT (30), MILTON ROAD HARPENDEN HERTFORDSHIRE AL5 5NA | £635,000 2024-11-01 terraced freehold |
| 36, SAUNCEY AVENUE HARPENDEN HERTFORDSHIRE AL5 4QJ | £2,275,000 2024-11-01 detached freehold |
| 45, ALZEY GARDENS HARPENDEN HERTFORDSHIRE AL5 5SY | £1,110,000 2024-10-25 detached freehold |
| 32, LONG BUFTLERS HARPENDEN HERTFORDSHIRE AL5 1JE | £1,144,000 2024-10-25 detached freehold |
| KINLOCH COURT (4), STATION ROAD HARPENDEN HERTFORDSHIRE AL5 4UE | £320,000 2024-10-19 flatmaisonette leasehold |
| 31, GROVE ROAD HARPENDEN HERTFORDSHIRE AL5 1QG | £300,000 2024-10-18 terraced freehold |