| ALBANY COURT (19), MILTON ROAD HARPENDEN HERTFORDSHIRE AL5 5LU | £375,000 2026-02-27 flatmaisonette leasehold |
| 10, GRANT GARDENS HARPENDEN HERTFORDSHIRE AL5 4QD | £1,530,000 2026-02-25 detached freehold |
| 5, AMENBURY COURT HARPENDEN HERTFORDSHIRE AL5 2BU | £727,500 2026-02-24 flatmaisonette leasehold |
| 52, ALZEY GARDENS HARPENDEN HERTFORDSHIRE AL5 5SY | £910,000 2026-02-24 detached freehold |
| 46, CHESTERTON AVENUE HARPENDEN HERTFORDSHIRE AL5 5SU | £835,000 2026-02-20 detached freehold |
| 50, ALZEY GARDENS HARPENDEN HERTFORDSHIRE AL5 5SY | £900,000 2026-02-19 detached freehold |
| 4, BRAMPTON CLOSE HARPENDEN HERTFORDSHIRE AL5 5SL | £550,000 2026-02-19 terraced freehold |
| 15, HYDE VIEW ROAD HARPENDEN HERTFORDSHIRE AL5 4PA | £655,000 2026-02-19 semidetached freehold |
| HOMEDELL HOUSE (59), ROUNDWOOD LANE HARPENDEN HERTFORDSHIRE AL5 3RA | £130,000 2026-02-18 flatmaisonette leasehold |
| 7, CRANBOURNE DRIVE HARPENDEN HERTFORDSHIRE AL5 1RJ | £790,000 2026-02-17 detached freehold |
| 20, LEA WALK HARPENDEN HERTFORDSHIRE AL5 4NG | £233,000 2026-02-16 terraced leasehold |
| 44, PARK AVENUE NORTH HARPENDEN HERTFORDSHIRE AL5 2ED | £3,200,000 2026-02-13 detached freehold |
| 23, POETS COURT HARPENDEN HERTFORDSHIRE AL5 5EW | £269,000 2026-02-13 flatmaisonette leasehold |
| ROBIN COURT (13), WESTFIELD ROAD HARPENDEN HERTFORDSHIRE AL5 4UH | £235,000 2026-02-13 flatmaisonette leasehold |
| 2, GIBBS CLOSE HARPENDEN HERTFORDSHIRE AL5 1FA | £1,325,000 2026-02-12 semidetached freehold |
| 1, WESTFIELD CLOSE HARPENDEN HERTFORDSHIRE AL5 4FW | £590,000 2026-02-06 terraced freehold |
| 15, WHITINGS CLOSE HARPENDEN HERTFORDSHIRE AL5 5HH | £455,000 2026-02-04 terraced freehold |
| 134, EASTMOOR PARK HARPENDEN HERTFORDSHIRE AL5 1BP | £940,000 2026-02-04 detached freehold |
| 12, ROUNDWOOD LANE HARPENDEN HERTFORDSHIRE AL5 3BZ | £860,000 2026-01-30 detached freehold |
| 1, KINGS COURT HARPENDEN HERTFORDSHIRE AL5 1NY | £367,500 2026-01-30 flatmaisonette leasehold |