HP Postcode Area for the Hemel Hempstead Region

A wide range of spatial data has been analysed to present this overview. If you would like anything added, please contact us.

This section of the site is all about the HP Postcode area, also known as the Hemel Hempstead Postal Area. Explore links to the next level to learn more about specific postcode districts such as HP1.

Detailed map of the HP Postcode Area
Detailed map showing districts and posttowns in the HP Hemel Hempstead Area
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Map of the HP Hemel Hempstead Postcode Area

Explore the postcode area by using our interactive map.


Quick Facts about the HP Postcode

HP Area Statistics
Width from East to West 31.54 mi
Height from North to South 23.06 mi
Area of HP 396.32 mi²
Maximum Width 32.06 mi
Perimeter of Postcode Area 142.54 mi
Number of Postcode Districts 24
Number of Postcode Sectors 78
Number of Post Towns 11
Number of Postcodes 13,996
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The HP postcode area represents a group of 24 postal districts in the Hemel Hempstead area of the United Kingdom. The area code stands for the letters h and p in Hemel HemPstead. The area has a population of 488,351 and covers an area of 1,026,465 hectares. Fun fact: 0.75% of the population of Great Britain lives in this area.

The postcode area falls within the following counties: Buckinghamshire (73.76%), Hertfordshire (26.13%), Oxfordshire (0.10%), Bedfordshire (0.01%).

Where is the HP Postcode Area?

The HP Hemel Hempstead Postcode has most of it's area in South East England, with some of it's East in the East of England.. The postal area borders the following neighbouring postal areas: OX - Oxford, SL - Slough, WD - Watford, RG - Reading, AL - St Albans, MK - Milton Keynes and LU - Luton, and is located inland.


Map Showing Location of the postcode area
Where is the postcode area?
A word cloud for the postcode area
A word cloud for the area

How built up is the Postcode Area?

I've calculated the total area covered by building footprints within the postcode area.
By analyzing this against the total area, I've determined the percentage of the area that's developed, this will give you an idea of how urban or rural the postcode region is.
The higher the percentage the more urban the area is. For example the least urban district is HP18 and the most urban is HP20.

Building Area Summary
Postcode District Total Area (m²) Footprint Area (m²) Built Percentage %
HP18 188,680,429 1,708,415 0.91%
HP17 70,922,604 865,649 1.22%
HP14 79,882,714 1,099,097 1.38%
HP23 66,817,857 1,012,668 1.52%
HP22 141,625,622 2,173,681 1.53%
HP16 48,914,813 792,605 1.62%
HP27 48,724,904 885,351 1.82%
HP7 31,599,358 670,195 2.12%
HP4 59,823,153 1,314,462 2.20%
HP5 50,957,560 1,280,600 2.51%
HP8 18,832,051 504,127 2.68%
HP10 30,376,803 1,056,184 3.48%
HP9 29,523,063 1,192,797 4.04%
HP1 24,026,867 1,018,135 4.24%
HP3 31,189,611 1,435,084 4.60%
HP15 16,727,947 843,045 5.04%
HP6 12,313,587 773,522 6.28%
HP2 28,424,524 1,923,499 6.77%
HP12 10,280,140 1,070,831 10.42%
HP13 12,417,890 1,357,816 10.93%
HP11 6,765,569 883,974 13.07%
HP19 7,032,088 968,527 13.77%
HP21 7,273,695 1,153,923 15.86%
HP20 3,333,005 655,829 19.68%
Total 1,026,465,854 (m²) 26,640,016 (m²) 2.6%
Map of the HP Postcode Area

A map showing the boundary of HP in relation to other areas

There are 11 towns within the Hemel Hempstead postcode area.

Map of Posttowns in the HP
Map of Posttowns in the HP Postal Area
Area of the HP postcode area
Unit Area²
Hectares 1,026,465²
Miles 3,963²
Feet 110,487,666,135²
Kilometres 10,265²

Postal Delivery Offices Serving the Postcode Area

  • Amersham Delivery Office
  • Aylesbury Delivery Office
  • Aylesbury Vale Postal Delivery Office
  • Beaconsfield Delivery Office
  • Berkhamsted Delivery Office
  • Chesham Delivery Office
  • Great Missenden Delivery Office
  • Hazlemere Delivery Office
  • Hemel Hempstead Delivery Office
  • High Wycombe North Delivery Office
  • High Wycombe South Postal Delivery Office
  • Princes Risborough Delivery Office
  • Tring Delivery Office

Tourist Attractions within the Area

Nearby Postcodes

Towns and Villages within the Area