GL51 postcode district

Postcodes and sectors

1,565 of the district's 2,212 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 51.89917, -2.11054, which locates the district, not a building.

Companies registered in GL51

Companies House lists 3,879 companies with a registered office in GL51; 388 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 GL51

• Gloucestershire
• South West
• Cheltenham
• Tewkesbury
• Shurdington
• Swindon
• Uckington
• Golden Valley
• Staverton
• Bamfurlong
• Hayden
• Little Shurdington
• Elmstone Hardwicke
• Knightsbridge
• Hardwicke
• Boddington
• Barrow
• Badgeworth
• Brockhampton

Roads filed under GL51

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 Close
• Acer Road
• Addis Road
• Admiral Close
• Aldershaw Close
• Alderton Road
• Alma Close
• Alma Road
• Alstone Avenue
• Alstone Croft
• Alstone Lane
• Alstone Mews
• Amaranth Way
• Amberley Road
• Anapa Mews
• Ansell Close
• Apple Blossom Drive
• Appleton Avenue
• Appleyard Close
• Arle Avenue
• Arle Close
• Arle Drive
• Arle Gardens
• Arle Road
• Arlingham
• Ashcot Mews
• Ashlands Close
• Ashlands Road
• Ashtree Mews
• Aston Grove
• Atherstone Close
• Atherton Close
• Attwood Close
• Aylton Close
• Aysgarth Avenue
• Azalea Drive
• Badgeworth Lane
• Badgeworth Road
• Baker Street
• Bala Road
• Bamfurlong Lane
• Banyard Close
• Barbridge Road
• Barley Close
• Barlow Road
• Barnett Close
• Barrington Avenue
• Barrow
• Barton Way
• Barwick Road
• Beale Road
• Beaumont Drive
• Beaumont Road
• Bedford Avenue
• Beechmore Drive
• Belworth Drive
• Benhall Avenue
• Beni Close
• Betula Close
• Beverley Croft

Check an address in GL51

Check an address in GL51

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

curl "https://spaw.co/api/v1/address/streets?country=GB&postal_code=GL51" \
  -H "Authorization: Bearer $SPAW_KEY"

Common questions about GL51

What does a GL51 postcode tell you?

That the address lies in the GL51 district of the GL (Gloucester) postcode area, and the place OS Open Names most often lists first for its postcodes is Cheltenham. The district alone does not place a street: the inward half of the full postcode narrows the address to one of the district's 1,565 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 GL51

• GL502.0 km
• GL533.7 km
• GL524.3 km
• GL36.1 km
• GL49.9 km
• GL110.2 km
• GL2011.5 km
• GL212.5 km
• GL1913.3 km
• GL5418.3 km
• GL619.2 km
• GL519.5 km
• Every district
• How a British address is written
• Check any address

distance between the districts' centroids