| 6, GROVE AVENUE HARPENDEN HERTFORDSHIRE AL5 1EX | £692,500 2025-10-30 semidetached freehold |
| 13, PARK HILL HARPENDEN HERTFORDSHIRE AL5 3AT | £660,000 2025-10-29 semidetached freehold |
| 9, TARRANT DRIVE HARPENDEN HERTFORDSHIRE AL5 1RP | £645,000 2025-10-24 detached freehold |
| 173, CRABTREE LANE HARPENDEN HERTFORDSHIRE AL5 5QX | £851,000 2025-10-24 semidetached freehold |
| 68, LOWER LUTON ROAD HARPENDEN HERTFORDSHIRE AL5 5AH | £515,000 2025-10-23 semidetached freehold |
| 7, TYLERS HARPENDEN HERTFORDSHIRE AL5 5RT | £572,500 2025-10-23 terraced freehold |
| 35, CRABTREE LANE HARPENDEN HERTFORDSHIRE AL5 5NT | £1,395,000 2025-10-17 detached freehold |
| 124, GROVE ROAD HARPENDEN HERTFORDSHIRE AL5 1HQ | £350,000 2025-10-17 flatmaisonette leasehold |
| 7, CARPENDERS CLOSE HARPENDEN HERTFORDSHIRE AL5 3HN | £1,200,000 2025-10-17 detached freehold |
| 4, ALTWOOD HARPENDEN HERTFORDSHIRE AL5 5RU | £645,000 2025-10-17 terraced freehold |
| 32, WEST WAY HARPENDEN HERTFORDSHIRE AL5 4RD | £910,000 2025-10-17 detached freehold |
| 30, CROSS WAY HARPENDEN HERTFORDSHIRE AL5 4QU | £953,600 2025-10-16 semidetached freehold |
| 32, PORTERS HILL HARPENDEN HERTFORDSHIRE AL5 5HR | £645,000 2025-10-13 semidetached freehold |
| 70, OX LANE HARPENDEN HERTFORDSHIRE AL5 4PW | £1,465,000 2025-10-10 detached freehold |
| 4, WOOD END HILL HARPENDEN HERTFORDSHIRE AL5 3EZ | £1,510,000 2025-10-03 detached freehold |
| 40, MARQUIS LANE HARPENDEN HERTFORDSHIRE AL5 5AE | £565,000 2025-10-03 semidetached freehold |
| 44, LOWER LUTON ROAD HARPENDEN HERTFORDSHIRE AL5 5AH | £540,000 2025-10-02 terraced freehold |
| 22, WEYBOURNE CLOSE HARPENDEN HERTFORDSHIRE AL5 5RE | £525,000 2025-10-01 terraced freehold |
| 5, LOWER LUTON ROAD HARPENDEN HERTFORDSHIRE AL5 5AF | £400,000 2025-09-30 terraced freehold |
| 26, SALISBURY ROAD HARPENDEN HERTFORDSHIRE AL5 5AY | £424,000 2025-09-26 semidetached freehold |