HP1 3 is a postcode sector within the HP1 postcode district which is within the HP Hemel Hempstead postcode area.
The Royal Mail delivery office for the HP1 3 postal sector is the Hemel Hempstead Delivery Office.
The area of the HP1 3 postcode sector is 4.59 square miles which is 11.90 square kilometres or 2,940.74 square acres.
In the year 2017 there were 98 house sales in the HP1 3 with the average house price being £363,830.
Waterways within the HP1 3 postcode sector include the River Gade.
The Chilterns area of outstanding natural beauty covers part of the HP1 3 postcode district.
| H | P | 1 | - | 3 | X | X |
| H | P | 1 | Space | 3 | Letter | Letter |
| The HP1 3 Sector is within these Local Authorities |
| The HP1 3 Sector is within these Counties |
|
The HP1 3 Sector is within these Water Company Areas |
|
|---|
| Town | Type |
|---|---|
| Frithsden | Hamlet |
| Great Gaddesden | Village |
| Hemel Hempstead | Town |
