| CLARENDON COURT (13), CLARENDON ROAD HARPENDEN HERTFORDSHIRE AL5 4PT | £255,000 2023-10-10 flatmaisonette leasehold |
| HARKAWAY, ANNABLES LANE HARPENDEN HERTFORDSHIRE AL5 3PS | £2,050,000 2023-10-09 detached freehold |
| 44, WEST COMMON HARPENDEN HERTFORDSHIRE AL5 2JW | £1,416,000 2023-10-09 semidetached freehold |
| 2, HEATH CLOSE HARPENDEN HERTFORDSHIRE AL5 1QN | £490,000 2023-10-05 terraced freehold |
| 43, SOUTHDOWN ROAD HARPENDEN HERTFORDSHIRE AL5 1PG | £1,465,000 2023-10-04 detached freehold |
| 33, HOLLY WALK HARPENDEN HERTFORDSHIRE AL5 5RG | £805,000 2023-10-04 semidetached freehold |
| ALBANY COURT (17), MILTON ROAD HARPENDEN HERTFORDSHIRE AL5 5LU | £300,000 2023-10-03 flatmaisonette leasehold |
| WALKERS COURT, 101 (15), SOUTHDOWN ROAD HARPENDEN HERTFORDSHIRE AL5 1QL | £212,000 2023-10-03 flatmaisonette leasehold |
| 20, WESTFIELD ROAD HARPENDEN HERTFORDSHIRE AL5 4GA | £547,000 2023-10-02 terraced freehold |
| 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 |