| 51, VALE CLOSE HARPENDEN HERTFORDSHIRE AL5 3LX | £605,000 2023-10-02 semidetached freehold |
| 8, BAULK CLOSE HARPENDEN HERTFORDSHIRE AL5 4FJ | £725,000 2023-10-02 semidetached freehold |
| 5, HYDE VIEW ROAD HARPENDEN HERTFORDSHIRE AL5 4PA | £455,000 2023-09-29 semidetached freehold |
| 43, MILLSTONE WAY HARPENDEN HERTFORDSHIRE AL5 5FE | £330,000 2023-09-29 flatmaisonette leasehold |
| 4, MEADOW WALK HARPENDEN HERTFORDSHIRE AL5 5TG | £1,076,000 2023-09-29 semidetached freehold |
| 17, EAST COMMON HARPENDEN HERTFORDSHIRE AL5 1BJ | £1,500,000 2023-09-29 terraced freehold |
| 18, CRAVELLS ROAD HARPENDEN HERTFORDSHIRE AL5 1BD | £632,500 2023-09-29 terraced freehold |
| 16, OLD RECTORY CLOSE HARPENDEN HERTFORDSHIRE AL5 2UD | £562,000 2023-09-28 terraced freehold |
| 37, GRANBY AVENUE HARPENDEN HERTFORDSHIRE AL5 5QP | £1,090,000 2023-09-28 semidetached freehold |
| 10, DALKEITH ROAD HARPENDEN HERTFORDSHIRE AL5 5PW | £1,513,000 2023-09-28 detached freehold |
| 6, REDBOURN LANE HATCHING GREEN HARPENDEN HERTFORDSHIRE AL5 2JP | £520,000 2023-09-25 terraced freehold |
| 65, MILLSTONE WAY HARPENDEN HERTFORDSHIRE AL5 5FE | £137,500 2023-09-21 flatmaisonette leasehold |
| LEA SPRINGS, 14 (11), LOWER LUTON ROAD HARPENDEN HERTFORDSHIRE AL5 5FA | £265,000 2023-09-21 flatmaisonette leasehold |
| 21, THE DEERINGS HARPENDEN HERTFORDSHIRE AL5 2PF | £2,400,000 2023-09-18 detached freehold |
| 17, THE CHOWNS HARPENDEN HERTFORDSHIRE AL5 2BN | £2,740,000 2023-09-18 detached freehold |
| 16, THE DEERINGS HARPENDEN HERTFORDSHIRE AL5 2PE | £1,500,000 2023-09-15 detached freehold |
| 10, THE WARREN HARPENDEN HERTFORDSHIRE AL5 2NH | £2,335,000 2023-09-15 detached freehold |
| 17, ST JAMES COURT HARPENDEN HERTFORDSHIRE AL5 4UW | £187,000 2023-09-15 flatmaisonette leasehold |
| 11, CROSS WAY HARPENDEN HERTFORDSHIRE AL5 4RA | £865,000 2023-09-15 terraced freehold |
| 12, PENDENNIS COURT HARPENDEN HERTFORDSHIRE AL5 1SG | £545,000 2023-09-14 semidetached freehold |