| 17, HIGHFIELD AVENUE HARPENDEN HERTFORDSHIRE AL5 5UB | £1,226,000 2024-10-18 semidetached freehold |
| LEA SPRINGS, 14 (28), LOWER LUTON ROAD HARPENDEN HERTFORDSHIRE AL5 5FA | £265,000 2024-10-09 flatmaisonette leasehold |
| 13, WESTMINSTER FIELDS HARPENDEN HERTFORDSHIRE AL5 3DZ | £1,580,000 2024-10-09 detached freehold |
| 113, OVERSTONE ROAD HARPENDEN HERTFORDSHIRE AL5 5PL | £900,000 2024-10-08 detached freehold |
| 4, SPRINGFIELD CRESCENT HARPENDEN HERTFORDSHIRE AL5 4LF | £580,000 2024-10-04 semidetached freehold |
| 18, BYRON ROAD HARPENDEN HERTFORDSHIRE AL5 4AB | £1,675,000 2024-10-03 detached freehold |
| OLD POST HOUSE, 20 (FLAT 7), ARDEN GROVE HARPENDEN HERTFORDSHIRE AL5 4SJ | £885,000 2024-09-25 flatmaisonette leasehold |
| 9, REDCLYFFE PLACE HARPENDEN HERTFORDSHIRE AL5 2FS | £975,000 2024-09-10 semidetached (New) freehold |
| STATION HOUSE, 2 - 6 (3), STATION APPROACH HARPENDEN HERTFORDSHIRE AL5 4SS | £320,000 2024-09-09 flatmaisonette (New) leasehold |
| 42, MEADWAY HARPENDEN HERTFORDSHIRE AL5 1JL | £875,000 2024-08-21 semidetached freehold |
| 18, CARISBROOKE ROAD HARPENDEN HERTFORDSHIRE AL5 5QT | £900,000 2024-08-19 semidetached freehold |
| 48, PARK MOUNT HARPENDEN HERTFORDSHIRE AL5 3AR | £862,500 2024-08-15 semidetached freehold |
| 60, DALKEITH ROAD HARPENDEN HERTFORDSHIRE AL5 5PW | £1,570,000 2024-08-09 detached freehold |
| CHILTERN COURT (FLAT 6), MILTON ROAD HARPENDEN HERTFORDSHIRE AL5 5LY | £265,000 2024-07-18 flatmaisonette leasehold |
| BORODALE (5), KIRKWICK AVENUE HARPENDEN HERTFORDSHIRE AL5 2QW | £950,000 2024-07-05 flatmaisonette leasehold |
| STATION HOUSE, 2 - 6 (18), STATION APPROACH HARPENDEN HERTFORDSHIRE AL5 4SS | £370,000 2024-06-27 flatmaisonette (New) leasehold |
| 24, GROVE ROAD HARPENDEN HERTFORDSHIRE AL5 1PX | £5,520,000 2024-06-06 otherPropertyType freehold |
| STATION HOUSE, 2 - 6 (8), STATION APPROACH HARPENDEN HERTFORDSHIRE AL5 4SS | £310,000 2024-06-03 flatmaisonette (New) leasehold |
| 6, REED PLACE HARPENDEN HERTFORDSHIRE AL5 4DE | £810,000 2024-05-31 flatmaisonette (New) leasehold |
| 3, CARPENDERS CLOSE HARPENDEN HERTFORDSHIRE AL5 3HN | £950,000 2024-05-29 detached freehold |