| 71, SPRINGFIELD CRESCENT HARPENDEN HERTFORDSHIRE AL5 4LL | £685,000 2024-12-06 semidetached freehold |
| WALKERS COURT, 101 (1), SOUTHDOWN ROAD HARPENDEN HERTFORDSHIRE AL5 1QL | £155,000 2024-12-05 flatmaisonette leasehold |
| 16, GORDONS WALK HARPENDEN HERTFORDSHIRE AL5 1LQ | £600,000 2024-12-05 semidetached freehold |
| 7, HOLLY WALK HARPENDEN HERTFORDSHIRE AL5 5RG | £1,270,000 2024-11-29 semidetached freehold |
| ARDEN LEA, HATCHING GREEN HARPENDEN HERTFORDSHIRE AL5 2JP | £1,675,000 2024-11-29 detached freehold |
| 3, ALLIED BUSINESS CENTRE HARPENDEN HERTFORDSHIRE AL5 4UT | £720,000 2024-11-28 otherPropertyType leasehold |
| 125, CRABTREE LANE HARPENDEN HERTFORDSHIRE AL5 5RQ | £950,000 2024-11-26 semidetached freehold |
| 9, SALISBURY ROAD HARPENDEN HERTFORDSHIRE AL5 5AR | £600,000 2024-11-25 terraced freehold |
| 136, TOPSTREET WAY HARPENDEN HERTFORDSHIRE AL5 5TS | £1,180,000 2024-11-18 detached freehold |
| GIBRALTAR LODGE (4), BATFORD ROAD HARPENDEN HERTFORDSHIRE AL5 5AS | £540,000 2024-11-15 terraced freehold |
| CEDAR LODGE, REDBOURN LANE HARPENDEN HERTFORDSHIRE AL5 2NA | £2,282,200 2024-11-12 detached freehold |
| 46, MEADOW WALK HARPENDEN HERTFORDSHIRE AL5 5TG | £830,000 2024-11-11 semidetached freehold |
| 24, BROADSTONE ROAD HARPENDEN HERTFORDSHIRE AL5 1RG | £535,000 2024-11-06 terraced freehold |
| 11, ROUNDWOOD GARDENS HARPENDEN HERTFORDSHIRE AL5 3AJ | £1,225,000 2024-10-24 detached freehold |
| 24, OVERSTONE ROAD HARPENDEN HERTFORDSHIRE AL5 5PJ | £1,140,000 2024-10-04 semidetached freehold |
| ARLINGTON HOUSE, OAKHURST AVENUE HARPENDEN HERTFORDSHIRE AL5 2ND | £2,470,000 2024-10-03 detached freehold |
| 19, HAWSLEY ROAD HARPENDEN HERTFORDSHIRE AL5 2BL | £1,600,000 2024-09-25 detached freehold |
| 5, THE CHOWNS HARPENDEN HERTFORDSHIRE AL5 2BN | £2,200,000 2024-09-24 detached freehold |
| 19, CLAYGATE AVENUE HARPENDEN HERTFORDSHIRE AL5 2HE | £1,470,000 2024-09-23 detached freehold |
| 26A, ROUNDWOOD PARK HARPENDEN HERTFORDSHIRE AL5 3AF | £2,400,000 2024-09-10 detached freehold |