| 14, LEA ROAD HARPENDEN HERTFORDSHIRE AL5 4PG | £1,250,000 2023-06-30 semidetached freehold |
| 16, WELLS CLOSE HARPENDEN HERTFORDSHIRE AL5 3LQ | £610,000 2023-06-30 terraced freehold |
| 29, OX LANE HARPENDEN HERTFORDSHIRE AL5 4HF | £1,530,000 2023-06-29 semidetached freehold |
| 33, HILLSIDE ROAD HARPENDEN HERTFORDSHIRE AL5 4BS | £1,310,000 2023-06-29 semidetached freehold |
| 10, SALISBURY AVENUE HARPENDEN HERTFORDSHIRE AL5 2QG | £2,200,000 2023-06-29 detached freehold |
| 77, COLDHARBOUR LANE HARPENDEN HERTFORDSHIRE AL5 4NF | £442,500 2023-06-28 semidetached freehold |
| 4, MEDLOWS HARPENDEN HERTFORDSHIRE AL5 3AY | £1,453,000 2023-06-23 detached freehold |
| NIGHTINGALE MEWS, 37 (6), LEYTON ROAD HARPENDEN HERTFORDSHIRE AL5 2JB | £350,000 2023-06-23 flatmaisonette leasehold |
| 40, HYDE VIEW ROAD HARPENDEN HERTFORDSHIRE AL5 4NZ | £515,000 2023-06-20 semidetached freehold |
| LEA SPRINGS, 14 (25), LOWER LUTON ROAD HARPENDEN HERTFORDSHIRE AL5 5FA | £270,000 2023-06-19 flatmaisonette leasehold |
| 33, ST JAMES ROAD HARPENDEN HERTFORDSHIRE AL5 4PB | £925,000 2023-06-16 semidetached freehold |
| 23, WELBECK RISE HARPENDEN HERTFORDSHIRE AL5 1RT | £755,000 2023-06-16 detached freehold |
| 20, NEWTON CLOSE HARPENDEN HERTFORDSHIRE AL5 1SP | £830,000 2023-06-16 detached freehold |
| 27, SIBLEY AVENUE HARPENDEN HERTFORDSHIRE AL5 1HF | £500,000 2023-06-15 terraced freehold |
| 6, GRASMERE AVENUE HARPENDEN HERTFORDSHIRE AL5 5PS | £1,295,000 2023-06-13 otherPropertyType freehold |
| CLARENDON COURT (15), CLARENDON ROAD HARPENDEN HERTFORDSHIRE AL5 4PT | £266,000 2023-06-13 flatmaisonette leasehold |
| 15, GRASMERE AVENUE HARPENDEN HERTFORDSHIRE AL5 5PT | £2,000,000 2023-06-13 detached freehold |
| 62, OVERSTONE ROAD HARPENDEN HERTFORDSHIRE AL5 5PJ | £1,100,000 2023-06-13 semidetached freehold |
| DENE COURT (FLAT 3), THOMPSONS CLOSE HARPENDEN HERTFORDSHIRE AL5 4ES | £780,000 2023-06-10 flatmaisonette leasehold |
| GERARD COURT (FLAT 5), HITHERFIELD LANE HARPENDEN HERTFORDSHIRE AL5 4JA | £760,000 2023-06-07 flatmaisonette leasehold |