| 5, ENGLEHURST HARPENDEN HERTFORDSHIRE AL5 5SQ | £635,000 2025-11-25 terraced freehold |
| 20, ASHLEY GARDENS HARPENDEN HERTFORDSHIRE AL5 3EY | £800,000 2025-11-19 semidetached freehold |
| 1, LODGE GARDENS HARPENDEN HERTFORDSHIRE AL5 4JE | £750,000 2025-11-14 semidetached freehold |
| 7, PARK HILL HARPENDEN HERTFORDSHIRE AL5 3AT | £682,000 2025-11-14 terraced freehold |
| 19, RIDGE AVENUE HARPENDEN HERTFORDSHIRE AL5 3LT | £985,500 2025-11-12 semidetached freehold |
| 88, AYSGARTH CLOSE HARPENDEN HERTFORDSHIRE AL5 5UG | £245,000 2025-11-11 flatmaisonette leasehold |
| BENNETS LODGE, 21A (FLAT 6), LEYTON ROAD HARPENDEN HERTFORDSHIRE AL5 2HU | £620,000 2025-11-07 flatmaisonette leasehold |
| 31, KINGCROFT ROAD HARPENDEN HERTFORDSHIRE AL5 1EH | £510,000 2025-11-04 terraced freehold |
| 6, BROADSTONE ROAD HARPENDEN HERTFORDSHIRE AL5 1RG | £625,000 2025-11-04 semidetached freehold |
| 2, COLESWOOD ROAD HARPENDEN HERTFORDSHIRE AL5 1EL | £795,000 2025-11-04 semidetached freehold |
| 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 |