| 13, CRAVELLS ROAD HARPENDEN HERTFORDSHIRE AL5 1BA | £642,500 2025-05-30 semidetached freehold |
| HADDON COURT (23), SHAKESPEARE ROAD HARPENDEN HERTFORDSHIRE AL5 5NB | £630,000 2025-05-30 terraced freehold |
| 6, COPPER BEECHES HARPENDEN HERTFORDSHIRE AL5 5LW | £332,000 2025-05-30 flatmaisonette leasehold |
| 29, THE CEDARS HARPENDEN HERTFORDSHIRE AL5 5LQ | £265,000 2025-05-23 flatmaisonette leasehold |
| 35, CROSS WAY HARPENDEN HERTFORDSHIRE AL5 4QU | £970,000 2025-05-22 semidetached freehold |
| 66, DERWENT ROAD HARPENDEN HERTFORDSHIRE AL5 3NX | £1,400,000 2025-05-20 detached freehold |
| 29, THE CLEAVE HARPENDEN HERTFORDSHIRE AL5 5SJ | £565,000 2025-05-20 terraced freehold |
| 80, CHESTERTON AVENUE HARPENDEN HERTFORDSHIRE AL5 5ST | £710,000 2025-05-20 semidetached freehold |
| 1, KINGCROFT TERRACE HARPENDEN HERTFORDSHIRE AL5 1AY | £625,000 2025-05-20 semidetached freehold |
| 11, OX LANE HARPENDEN HERTFORDSHIRE AL5 4HH | £1,265,000 2025-05-19 semidetached freehold |
| 62, AYSGARTH CLOSE HARPENDEN HERTFORDSHIRE AL5 5UG | £277,500 2025-05-19 flatmaisonette leasehold |
| 33, COLDHARBOUR LANE HARPENDEN HERTFORDSHIRE AL5 4NF | £836,000 2025-05-16 terraced freehold |
| 25, OVERSTONE ROAD HARPENDEN HERTFORDSHIRE AL5 5PN | £1,250,000 2025-05-16 semidetached freehold |
| 31, RIDGEWOOD DRIVE HARPENDEN HERTFORDSHIRE AL5 3LJ | £1,450,000 2025-05-12 detached freehold |
| 8, LONGFIELD ROAD HARPENDEN HERTFORDSHIRE AL5 1QE | £425,000 2025-05-09 terraced freehold |
| 7, TOWNSEND LANE HARPENDEN HERTFORDSHIRE AL5 2PY | £740,000 2025-05-07 semidetached freehold |
| TANGLEWOOD (5), DOUGLAS ROAD HARPENDEN HERTFORDSHIRE AL5 2ES | £535,000 2025-05-06 flatmaisonette leasehold |
| 20, POETS COURT HARPENDEN HERTFORDSHIRE AL5 5EW | £305,000 2025-04-30 flatmaisonette leasehold |
| 17, CORNWALL ROAD HARPENDEN HERTFORDSHIRE AL5 4TQ | £830,000 2025-04-30 semidetached freehold |
| 347, LUTON ROAD HARPENDEN HERTFORDSHIRE AL5 3LZ | £15,000 2025-04-29 otherPropertyType freehold |