AL7 postcode district

Postcodes and sectors

895 of the district's 1,485 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 51.79684, -0.18719, which locates the district, not a building.

Companies registered in AL7

Companies House lists 2,164 companies with a registered office in AL7; 55 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 AL7

• Welwyn Hatfield
• Hertfordshire
• Eastern
• Welwyn Garden City

Roads filed under AL7

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.

• Albert Place
• Alconbury
• Aldbury Grove
• Aldock
• Amwell Common
• Andrewsfield
• Appletree Way
• Archers Ride
• Archfield
• Ascots Lane
• Aspen Way
• Athelstan Walk North
• Athelstan Walk South
• Autumn Grove
• Bader Close
• Bakers Grove
• Baldwins
• Barnard Green
• Barndicott
• Barnfield Road
• Barrington Mews
• Bartlett Close
• Bassingburn Walk
• Batford Close
• Beauchamps
• Bedwell Close
• Beechfield Road
• Beehive Green
• Beehive Lane
• Bennett Close
• Bericot Way
• Bessemer Road
• Beverley Gardens
• Biopark Drive
• Birchall Wood
• Birds Close
• Birkin Court
• Black Fan Road
• Blackthorn Road
• Blenheim Court
• Blossom Drive
• Blythway
• Boundary Lane
• Boxfield
• Breakmead
• Bridgefields
• Bridge Road East
• Broad Court
• Broadwater Crescent
• Broadwater Road
• Brooksfield
• Broomhills
• Brownfields
• Buddcroft
• Bunnsfield
• Burgundy Croft
• Burrowfield
• Bushey Close
• Bushey Green
• Bushey Ley

Check an address in AL7

Check an address in AL7

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

curl "https://spaw.co/api/v1/address/streets?country=GB&postal_code=AL7" \
  -H "Authorization: Bearer $SPAW_KEY"

Common questions about AL7

What does an AL7 postcode tell you?

That the address lies in the AL7 district of the AL (St Albans) postcode area, and the place OS Open Names most often lists first for its postcodes is Welwyn Garden City. The district alone does not place a street: the inward half of the full postcode narrows the address to one of the district's 895 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 AL7

• AL81.9 km
• AL64.0 km
• AL105.1 km
• AL95.9 km
• SG146.5 km
• SG37.1 km
• AL47.8 km
• SG138.0 km
• AL110.8 km
• EN610.8 km
• SG211.2 km
• AL511.6 km
• Every district
• How a British address is written
• Check any address

distance between the districts' centroids