| 4, RYE CLOSE HARPENDEN HERTFORDSHIRE AL5 4LD | £730,000 2023-08-25 semidetached freehold |
| ALBANY COURT (15), MILTON ROAD HARPENDEN HERTFORDSHIRE AL5 5LU | £374,650 2023-08-25 flatmaisonette leasehold |
| 41, ST JAMES ROAD HARPENDEN HERTFORDSHIRE AL5 4PB | £800,000 2023-08-25 otherPropertyType freehold |
| 6, ST MARTINS CLOSE HARPENDEN HERTFORDSHIRE AL5 5JG | £465,000 2023-08-25 terraced freehold |
| 32A, MORETON END LANE HARPENDEN HERTFORDSHIRE AL5 2HD | £925,000 2023-08-24 semidetached freehold |
| 8, BARNS DENE HARPENDEN HERTFORDSHIRE AL5 2HQ | £1,515,000 2023-08-24 detached freehold |
| ARCADIAN COURT (38), SUN LANE HARPENDEN HERTFORDSHIRE AL5 4EG | £460,000 2023-08-24 flatmaisonette leasehold |
| 21, WEST COMMON GROVE HARPENDEN HERTFORDSHIRE AL5 2AT | £2,325,000 2023-08-23 detached freehold |
| 6, ROTHAMSTED AVENUE HARPENDEN HERTFORDSHIRE AL5 2DB | £2,600,000 2023-08-23 detached freehold |
| 35, CHURCHFIELD HARPENDEN HERTFORDSHIRE AL5 1LJ | £1,055,135 2023-08-23 semidetached freehold |
| BALFOUR COURT (FLAT 4), STATION ROAD HARPENDEN HERTFORDSHIRE AL5 4XS | £335,000 2023-08-23 flatmaisonette leasehold |
| ARCADIAN COURT (14), SUN LANE HARPENDEN HERTFORDSHIRE AL5 4EG | £540,000 2023-08-22 flatmaisonette leasehold |
| 7, SPRINGFIELD CRESCENT HARPENDEN HERTFORDSHIRE AL5 4LJ | £735,000 2023-08-18 semidetached freehold |
| 18, ST JAMES COURT HARPENDEN HERTFORDSHIRE AL5 4UW | £210,000 2023-08-18 flatmaisonette leasehold |
| ST JOHNS COURT (5), ST JOHNS ROAD HARPENDEN HERTFORDSHIRE AL5 1DL | £340,000 2023-08-18 flatmaisonette leasehold |
| 16, ALDWICK ROAD HARPENDEN HERTFORDSHIRE AL5 1NG | £1,175,000 2023-08-18 detached freehold |
| 4, DELLCROFT WAY HARPENDEN HERTFORDSHIRE AL5 2NG | £2,250,000 2023-08-18 detached freehold |
| 21, WEST WAY HARPENDEN HERTFORDSHIRE AL5 4RD | £1,825,000 2023-08-18 detached freehold |
| 67, STATION ROAD HARPENDEN HERTFORDSHIRE AL5 4XF | £1,235,000 2023-08-18 detached freehold |
| 159, GROVE ROAD HARPENDEN HERTFORDSHIRE AL5 1SY | £514,000 2023-08-16 terraced freehold |