| 3, BAULK CLOSE HARPENDEN HERTFORDSHIRE AL5 4FJ | £685,000 2024-03-28 semidetached freehold |
| 128A, CRAVELLS ROAD HARPENDEN HERTFORDSHIRE AL5 1BQ | £605,000 2024-03-28 terraced freehold |
| 15, LONG BUFTLERS HARPENDEN HERTFORDSHIRE AL5 1JF | £1,700,000 2024-03-28 detached freehold |
| 49, HILLSIDE ROAD HARPENDEN HERTFORDSHIRE AL5 4BS | £1,287,500 2024-03-28 detached freehold |
| HOMEDELL HOUSE (27), ROUNDWOOD LANE HARPENDEN HERTFORDSHIRE AL5 3RA | £145,000 2024-03-28 flatmaisonette leasehold |
| 55, GROVE AVENUE HARPENDEN HERTFORDSHIRE AL5 1EY | £600,000 2024-03-27 semidetached freehold |
| 1, SHEPHERDS WAY HARPENDEN HERTFORDSHIRE AL5 3HF | £935,000 2024-03-27 detached freehold |
| 7, GILPIN GREEN HARPENDEN HERTFORDSHIRE AL5 5NP | £345,000 2024-03-26 flatmaisonette leasehold |
| 15, ENNIS CLOSE HARPENDEN HERTFORDSHIRE AL5 1SS | £600,000 2024-03-25 semidetached freehold |
| 11, HASLINGDEN CLOSE HARPENDEN HERTFORDSHIRE AL5 3EW | £970,000 2024-03-25 detached freehold |
| 53, PARK AVENUE NORTH HARPENDEN HERTFORDSHIRE AL5 2EE | £3,800,000 2024-03-22 detached freehold |
| 335, LUTON ROAD HARPENDEN HERTFORDSHIRE AL5 3LW | £805,000 2024-03-20 semidetached freehold |
| THE OLD APIARY, HATCHING GREEN HARPENDEN HERTFORDSHIRE AL5 2JS | £50,000 2024-03-20 otherPropertyType freehold |
| PEMBROKE COURT (9), THOMPSONS CLOSE HARPENDEN HERTFORDSHIRE AL5 4FH | £430,000 2024-03-19 flatmaisonette leasehold |
| 2, HAMMONDS HILL HARPENDEN HERTFORDSHIRE AL5 2LU | £2,250,000 2024-03-18 detached freehold |
| 1, GRANT GARDENS HARPENDEN HERTFORDSHIRE AL5 4QD | £1,573,000 2024-03-18 detached freehold |
| HOMEDELL HOUSE (38), ROUNDWOOD LANE HARPENDEN HERTFORDSHIRE AL5 3RA | £145,000 2024-03-15 flatmaisonette leasehold |
| 40, APLINS CLOSE HARPENDEN HERTFORDSHIRE AL5 2QB | £600,500 2024-03-15 terraced freehold |
| PARK LODGE (FLAT 3), AVENUE ST NICHOLAS HARPENDEN HERTFORDSHIRE AL5 2BX | £895,000 2024-03-14 flatmaisonette leasehold |
| 26, OVERSTONE ROAD HARPENDEN HERTFORDSHIRE AL5 5PJ | £1,000,000 2024-03-14 semidetached freehold |