| 2, WALDEGRAVE PARK HARPENDEN HERTFORDSHIRE AL5 5SF | £217,500 2024-04-30 flatmaisonette leasehold |
| 19, THE DEERINGS HARPENDEN HERTFORDSHIRE AL5 2PF | £1,310,000 2024-04-30 detached freehold |
| 26, CHESTERTON AVENUE HARPENDEN HERTFORDSHIRE AL5 5ST | £871,500 2024-04-29 semidetached freehold |
| 12, BARLINGS ROAD HARPENDEN HERTFORDSHIRE AL5 2AN | £1,570,000 2024-04-29 detached freehold |
| 12, WHEATHAMPSTEAD ROAD HARPENDEN HERTFORDSHIRE AL5 1ND | £1,020,000 2024-04-26 detached freehold |
| 42, OAKFIELD ROAD HARPENDEN HERTFORDSHIRE AL5 2NS | £1,750,000 2024-04-26 detached freehold |
| 2, NEWTON CLOSE HARPENDEN HERTFORDSHIRE AL5 1SP | £600,000 2024-04-26 detached freehold |
| 41, AMBROSE LANE HARPENDEN HERTFORDSHIRE AL5 4BU | £927,000 2024-04-26 semidetached freehold |
| 20, HAWTHORN CLOSE HARPENDEN HERTFORDSHIRE AL5 1HN | £490,000 2024-04-26 semidetached freehold |
| 9, HAWTHORN CLOSE HARPENDEN HERTFORDSHIRE AL5 1HN | £720,000 2024-04-26 semidetached freehold |
| ARCADIAN COURT (16), SUN LANE HARPENDEN HERTFORDSHIRE AL5 4EG | £490,000 2024-04-26 flatmaisonette leasehold |
| 13, GIBBS CLOSE HARPENDEN HERTFORDSHIRE AL5 1FA | £980,000 2024-04-26 terraced freehold |
| 33, VALE CLOSE HARPENDEN HERTFORDSHIRE AL5 3LX | £560,000 2024-04-25 semidetached freehold |
| 21, CORNWALL ROAD HARPENDEN HERTFORDSHIRE AL5 4TQ | £780,000 2024-04-24 terraced freehold |
| 75, SPRINGFIELD CRESCENT HARPENDEN HERTFORDSHIRE AL5 4LL | £710,000 2024-04-23 semidetached freehold |
| 5, ROTHAMSTED COURT HARPENDEN HERTFORDSHIRE AL5 2BZ | £380,000 2024-04-23 flatmaisonette leasehold |
| SANDRIDGE HOUSE, 4 (FLAT 13), GIBBS CLOSE HARPENDEN HERTFORDSHIRE AL5 1FA | £490,000 2024-04-22 flatmaisonette leasehold |
| 3, ALDWICKBURY CRESCENT HARPENDEN HERTFORDSHIRE AL5 5RS | £946,000 2024-04-19 detached freehold |
| 5, APLINS CLOSE HARPENDEN HERTFORDSHIRE AL5 2PZ | £1,050,000 2024-04-19 detached freehold |
| 130, EASTMOOR PARK HARPENDEN HERTFORDSHIRE AL5 1BP | £1,315,000 2024-04-19 detached freehold |