HP12 postcode district

Postcodes and sectors

489 of the district's 879 postcodes are live in the ONS Postcode Directory of August 2026. A postcode directory says whether a code is in use, never who is there. The live postcodes centre on 51.62616, -0.77975, which locates the district, not a building.

Companies registered in HP12

Companies House lists 2,998 companies with a registered office in HP12; 523 of them at addresses shared by 25 or more companies (1 October 2026 snapshot). 25 is the count at which the address lookup reports a company cluster.

Places OS Open Names lists for HP12

• Buckinghamshire
• South East
• High Wycombe

Roads filed under HP12

Named roads first, then numbered ones. A road is filed under one district even where it runs through several, so a street missing here may be listed under a neighbouring district — which is why the address lookup never calls a British street absent. Great Britain has no open register of buildings, so a listed road never means a building on it exists.

• Abbots Way
• Abercromby Avenue
• Acorn Gardens
• Albion Road
• Alford Road
• Applewick Lane
• Arundel Road
• Ash Road
• Barbers Wood Close
• Barbers Wood Road
• Barn Court
• Baronsmead Road
• Barry Close
• Bartlett Crescent
• Bartlett Place
• Beacham Road
• Bedder Road
• Beech Trees Road
• Beechwood Road
• Bevelwood Gardens
• Birches Rise
• Birchwood Close
• Birinus Close
• Blenheim Road
• Booker Common
• Bookerhill Road
• Booker Lane
• Booker Place
• Bramley Close
• Brandon Road
• Buckmaster Road
• Burnham Close
• Bushey Close
• Carisbrooke Avenue
• Carrington Road
• Carrs Drive
• Castle View Gardens
• Catkin Close
• Chairborough Road
• Challener Road
• Chapel Lane
• Chiltern Avenue
• Christie Close
• Collins Close
• Combe Rise
• Conifer Rise
• Cookshall Lane
• Copperfields
• Copy Ground Court
• Copyground Lane
• Coronation Road
• Cressex Close
• Cressex Link
• Cressex Road
• Cressex Square
• Cross Road
• Cullyn Road
• Dashwood Avenue
• Davenport Road
• Davies Court

Check an address in HP12

Check an address in HP12

The same road list through the API, from the outward code alone:

curl "https://spaw.co/api/v1/address/streets?country=GB&postal_code=HP12" \
  -H "Authorization: Bearer $SPAW_KEY"

Common questions about HP12

What does an HP12 postcode tell you?

That the address lies in the HP12 district of the HP (Hemel Hempstead) postcode area, and the place OS Open Names most often lists first for its postcodes is High Wycombe. The district alone does not place a street: the inward half of the full postcode narrows the address to one of the district's 489 live postcodes.

Where the counts come from

• ons-postcode-directory · version 2026-08 · Contains ONS, OS and Royal Mail data © Crown copyright and database right 2026, Open Government Licence v3.0. Northern Ireland postcodes are excluded: their reuse needs a Land & Property Services licence.
• os-open-names · version 2026-11-01 · Contains OS data © Crown copyright and database right 2026, Open Government Licence v3.0.
• uk-companies-house · version 2026-10-01 · Companies House free company data product, Open Government Licence v3.0

What each figure means, and what a district page never says, is set out in Reading a British postcode district page; the glossary defines a postcode district, a postcode area, a postcode directory and a street register.

Data synced on 2026-11-01: the newest version among the datasets listed above.

Districts nearest HP12

• HP112.4 km
• HP132.9 km
• HP145.0 km
• SL75.6 km
• HP156.0 km
• HP106.0 km
• SL87.2 km
• HP169.4 km
• HP99.8 km
• HP2711.2 km
• SL611.9 km
• HP712.5 km
• Every district
• How a British address is written
• Check any address

distance between the districts' centroids