| 9 - 10 (FLAT 1), HARDING PARADE HARPENDEN HERTFORDSHIRE AL5 4SW | £355,000 2024-11-22 flatmaisonette leasehold |
| 75, CRABTREE LANE HARPENDEN HERTFORDSHIRE AL5 5PX | £1,287,000 2024-11-15 detached freehold |
| SANDRIDGE HOUSE, 4 (FLAT 18), GIBBS CLOSE HARPENDEN HERTFORDSHIRE AL5 1FA | £1,375,000 2024-11-14 flatmaisonette leasehold |
| 17, PENNY CROFT HARPENDEN HERTFORDSHIRE AL5 2PD | £1,395,000 2024-11-14 detached freehold |
| 253, LUTON ROAD HARPENDEN HERTFORDSHIRE AL5 3DE | £1,050,000 2024-11-08 detached freehold |
| STATION HOUSE, 2 - 6 (9), STATION APPROACH HARPENDEN HERTFORDSHIRE AL5 4SS | £295,000 2024-11-06 flatmaisonette (New) leasehold |
| 1, TALLENTS CRESCENT HARPENDEN HERTFORDSHIRE AL5 5BP | £386,000 2024-11-05 semidetached freehold |
| STATION HOUSE, 2 - 6 (4), STATION APPROACH HARPENDEN HERTFORDSHIRE AL5 4SS | £295,000 2024-10-31 flatmaisonette (New) leasehold |
| STATION HOUSE, 2 - 6 (13), STATION APPROACH HARPENDEN HERTFORDSHIRE AL5 4SS | £470,000 2024-10-25 flatmaisonette (New) leasehold |
| 15, KINGS COURT HARPENDEN HERTFORDSHIRE AL5 1NY | £240,000 2024-10-24 flatmaisonette leasehold |
| 15, BEWDLEY CLOSE HARPENDEN HERTFORDSHIRE AL5 1QX | £670,000 2024-10-11 detached freehold |
| 28, JAMESON ROAD HARPENDEN HERTFORDSHIRE AL5 4HQ | £1,020,000 2024-08-29 semidetached freehold |
| 24C, DOUGLAS ROAD HARPENDEN HERTFORDSHIRE AL5 2EW | £1,685,000 2024-08-23 detached freehold |
| 9, STEWART ROAD HARPENDEN HERTFORDSHIRE AL5 4QE | £1,125,000 2024-08-15 detached freehold |
| ARCADIAN COURT (4), SUN LANE HARPENDEN HERTFORDSHIRE AL5 4EG | £810,000 2024-08-12 flatmaisonette leasehold |
| 12, WROXHAM WAY HARPENDEN HERTFORDSHIRE AL5 4PP | £660,000 2025-03-26 semidetached freehold |
| 18, LOWER LUTON ROAD HARPENDEN HERTFORDSHIRE AL5 5AQ | £715,000 2025-03-24 semidetached freehold |
| 7, GROVE ROAD HARPENDEN HERTFORDSHIRE AL5 1QG | £440,000 2025-03-21 terraced freehold |
| GIBRALTAR LODGE (5), BATFORD ROAD HARPENDEN HERTFORDSHIRE AL5 5AS | £625,000 2025-03-21 terraced freehold |
| PEMBROKE COURT (3), THOMPSONS CLOSE HARPENDEN HERTFORDSHIRE AL5 4FH | £462,500 2025-03-21 flatmaisonette leasehold |