LU3 postcode district

Postcodes and sectors

836 of the district's 1,319 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 51.90887, -0.44272, which locates the district, not a building.

Companies registered in LU3

Companies House lists 4,267 companies with a registered office in LU3; 90 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 LU3

• Eastern
• Luton
• Central Bedfordshire
• Streatley
• Upper Sundon
• Lower Sundon

Roads filed under LU3

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.

• Abigail Close
• Ailsworth Road
• Albury Close
• Alder Crescent
• Aldhous Close
• Alesia Road
• Alexandra Avenue
• Allendale
• All Saints Close
• Alpine Way
• Althorp Road
• Ambleside
• Ames Close
• Arbour Close
• Arbroath Road
• Archway Road
• Argyll Avenue
• Arrow Close
• Ascot Road
• Ashdale Gardens
• Ashfield Way
• Ashwell Avenue
• Atholl Close
• Austin Road
• Avenue Grimaldi
• Axe Close
• Aydon Road
• Bagwicks Close
• Balmore Wood
• Bancroft Road
• Barleyvale
• Barton Road
• Bath Road
• Beaumont Road
• Belvedere Road
• Bembridge Gardens
• Benson Close
• Berry Leys
• Bideford Gardens
• Birdsfoot Lane
• Biscot Road
• Bishopscote Road
• Black Swan Lane
• Blenheim Crescent
• Blossom Close
• Blundell Road
• Bosmore Road
• Braceby Close
• Brackendale Grove
• Bramhanger Acre
• Bramingham Road
• Bristol Road
• Britannia Avenue
• Broad Mead
• Brompton Close
• Brompton Gardens
• Brook Street
• Broughton Avenue
• Brussels Way
• Buckle Close

Check an address in LU3

Check an address in LU3

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

curl "https://spaw.co/api/v1/address/streets?country=GB&postal_code=LU3" \
  -H "Authorization: Bearer $SPAW_KEY"

Common questions about LU3

What does an LU3 postcode tell you?

That the address lies in the LU3 district of the LU (Luton) postcode area, and the place OS Open Names most often lists first for its postcodes is Luton. The district alone does not place a street: the inward half of the full postcode narrows the address to one of the district's 836 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 LU3

• LU42.1 km
• LU23.7 km
• LU14.0 km
• LU55.0 km
• LU67.4 km
• AL512.1 km
• SG412.6 km
• MK4512.8 km
• SG513.1 km
• AL315.0 km
• LU715.1 km
• SG1615.3 km
• Every district
• How a British address is written
• Check any address

distance between the districts' centroids