HP11 postcode district

Postcodes and sectors

492 of the district's 1,014 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 51.62366, -0.74542, which locates the district, not a building.

Companies registered in HP11

Companies House lists 2,339 companies with a registered office in HP11; 255 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 HP11

• Buckinghamshire
• South East
• High Wycombe
• Loudwater

Roads filed under HP11

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.

• Abbey Barn Road
• Abbey Place
• Abbey Way
• Alexandra Park
• Archdale
• Arizona Way
• Austenwood Close
• Badger Close
• Baker Street
• Barracks Road
• Bassetsbury Lane
• Bay Tree Close
• Beech Close
• Beech Road
• Beech Street
• Bellwood Rise
• Birdcage Walk
• Bowden Lane
• Brambleside
• Bridge Bank Close
• Bridge Street
• Bridle Gate
• Brook Street
• Bull Lane
• California Way
• Carolina Drive
• Carver Hill Road
• Cascadia Close
• Cedar Terrace
• Chartwell Way
• Chenille Drive
• Chequers Avenue
• Chestnut Avenue
• Church Square
• Church Street
• Colville Road
• Crest Road
• Crispin Way
• Crown Lane
• Daws Hill Lane
• Daws Lea
• Deangarden Rise
• Deeds Grove
• Denmark Street
• Desborough Avenue
• Desborough Road
• Desborough Street
• Deyoung Way
• Doolittle Avenue
• Drakes Close
• Eaker Street
• Easton Street
• East Richardson Street
• Eden Place
• Eden Walk
• Edgewood
• Eisenhower Lower Close
• Elder Close
• Ellsworth Road
• Fair Ridge

Check an address in HP11

Check an address in HP11

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

curl "https://spaw.co/api/v1/address/streets?country=GB&postal_code=HP11" \
  -H "Authorization: Bearer $SPAW_KEY"

Common questions about HP11

What does an HP11 postcode tell you?

That the address lies in the HP11 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 492 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 HP11

• HP131.3 km
• HP122.4 km
• HP103.7 km
• HP154.6 km
• SL85.6 km
• SL75.8 km
• HP147.2 km
• HP97.4 km
• HP168.9 km
• HP710.4 km
• SL611.1 km
• HP611.8 km
• Every district
• How a British address is written
• Check any address

distance between the districts' centroids