| 15, RAVENSCROFT HARPENDEN HERTFORDSHIRE AL5 1ST | £565,000 2025-09-02 terraced freehold |
| LARRY CORMICK, SPRING ROAD HARPENDEN HERTFORDSHIRE AL5 3PP | £1,875,000 2025-08-29 detached freehold |
| 19, HAWSLEY ROAD HARPENDEN HERTFORDSHIRE AL5 2BL | £1,680,000 2025-08-28 detached freehold |
| BRYANT COURT (9), HOLLYBUSH LANE HARPENDEN HERTFORDSHIRE AL5 4BH | £362,000 2025-08-28 flatmaisonette leasehold |
| 22, WILLOUGHBY ROAD HARPENDEN HERTFORDSHIRE AL5 4PF | £643,000 2025-08-27 terraced freehold |
| 19, PARK MOUNT HARPENDEN HERTFORDSHIRE AL5 3AS | £685,000 2025-08-26 semidetached freehold |
| 37, WELBECK RISE HARPENDEN HERTFORDSHIRE AL5 1RT | £662,000 2025-08-22 detached freehold |
| 10, DELLCROFT WAY HARPENDEN HERTFORDSHIRE AL5 2NG | £1,700,000 2025-08-22 detached freehold |
| ARCADIAN COURT (21), SUN LANE HARPENDEN HERTFORDSHIRE AL5 4EG | £615,000 2025-08-21 flatmaisonette leasehold |
| 8, WOOD END HILL HARPENDEN HERTFORDSHIRE AL5 3EZ | £2,200,000 2025-08-20 detached freehold |
| 4, BARLEY RISE HARPENDEN HERTFORDSHIRE AL5 5JJ | £372,500 2025-08-20 terraced freehold |
| 144, CRAVELLS ROAD HARPENDEN HERTFORDSHIRE AL5 1BQ | £955,000 2025-08-20 terraced freehold |
| 23, STEWART ROAD HARPENDEN HERTFORDSHIRE AL5 4QE | £1,950,000 2025-08-20 detached freehold |
| 25, WEST COMMON HARPENDEN HERTFORDSHIRE AL5 2JN | £512,500 2025-08-19 terraced freehold |
| SHELLEY COURT (8), MILTON ROAD HARPENDEN HERTFORDSHIRE AL5 5LL | £400,000 2025-08-19 flatmaisonette leasehold |
| DENE COURT (2), THOMPSONS CLOSE HARPENDEN HERTFORDSHIRE AL5 4ES | £425,000 2025-08-19 flatmaisonette leasehold |
| 1B, CRABTREE LANE HARPENDEN HERTFORDSHIRE AL5 5TA | £1,530,565 2025-08-18 detached freehold |
| 56, PARK AVENUE NORTH HARPENDEN HERTFORDSHIRE AL5 2ED | £4,700,000 2025-08-15 detached freehold |
| 6, THE MEWS HARPENDEN HERTFORDSHIRE AL5 4TF | £585,000 2025-08-14 terraced leasehold |
| HOMEDELL HOUSE (25), ROUNDWOOD LANE HARPENDEN HERTFORDSHIRE AL5 3RA | £135,000 2025-08-13 flatmaisonette leasehold |