24,057
Population
10,320
Households
667
Postcodes
4
Sectors
About HP1
The HP1 postcode district covers Bourne End, Boxmoor, Fields End, Gadebridge, Great Gaddesden, Nettleden, Piccotts End, Water End, Warner's End in Dacorum. It falls under the Hemel Hempstead post town. The area has a population of approximately 24,057.