| 8, BURYWICK HARPENDEN HERTFORDSHIRE AL5 2AE | £1,325,000 2025-04-28 detached freehold |
| 38, SAUNCEY AVENUE HARPENDEN HERTFORDSHIRE AL5 4QJ | £2,380,000 2025-04-28 detached freehold |
| 243, LUTON ROAD HARPENDEN HERTFORDSHIRE AL5 3DE | £974,000 2025-04-25 semidetached freehold |
| 2A, KIPLING WAY HARPENDEN HERTFORDSHIRE AL5 4XG | £1,500,000 2025-04-24 detached freehold |
| 21, HOLCROFT ROAD HARPENDEN HERTFORDSHIRE AL5 5BG | £560,000 2025-04-22 semidetached freehold |
| 10, HYDE VIEW ROAD HARPENDEN HERTFORDSHIRE AL5 4NZ | £647,500 2025-04-17 semidetached freehold |
| 10, THE CHOWNS HARPENDEN HERTFORDSHIRE AL5 2BN | £1,650,000 2025-04-15 detached freehold |
| 40, TENNYSON ROAD HARPENDEN HERTFORDSHIRE AL5 4BB | £1,140,000 2025-04-07 semidetached freehold |
| 447 (WHIP COTTAGE), LUTON ROAD HARPENDEN HERTFORDSHIRE AL5 3QE | £1,415,000 2025-03-31 detached freehold |
| 17, WOOD END ROAD HARPENDEN HERTFORDSHIRE AL5 3EE | £2,675,000 2025-03-31 detached freehold |
| 45A, MORETON END LANE HARPENDEN HERTFORDSHIRE AL5 2HA | £1,615,000 2025-03-31 semidetached freehold |
| 13, MANLAND AVENUE HARPENDEN HERTFORDSHIRE AL5 4RG | £1,125,000 2025-03-31 detached freehold |
| 10, PARK MOUNT HARPENDEN HERTFORDSHIRE AL5 3AR | £1,020,000 2025-03-31 detached freehold |
| 35, COLDHARBOUR LANE HARPENDEN HERTFORDSHIRE AL5 4NF | £495,000 2025-03-31 semidetached freehold |
| 41, COLDHARBOUR LANE HARPENDEN HERTFORDSHIRE AL5 4NF | £770,000 2025-03-31 semidetached freehold |
| 6A, HARPENDEN RISE HARPENDEN HERTFORDSHIRE AL5 3BH | £500,000 2025-03-31 detached freehold |
| 13B, MILTON ROAD HARPENDEN HERTFORDSHIRE AL5 5LA | £321,000 2025-03-28 flatmaisonette leasehold |
| BALFOUR COURT (FLAT 21), STATION ROAD HARPENDEN HERTFORDSHIRE AL5 4XS | £320,000 2025-03-28 flatmaisonette leasehold |
| 37, COLDHARBOUR LANE HARPENDEN HERTFORDSHIRE AL5 4NF | £485,000 2025-03-28 semidetached freehold |
| 5, NEWTON CLOSE HARPENDEN HERTFORDSHIRE AL5 1SP | £765,000 2025-03-28 detached freehold |