RG31 postcode district

Postcodes and sectors

639 of the district's 803 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 51.45637, -1.04601, which locates the district, not a building.

Companies registered in RG31

Companies House lists 1,215 companies with a registered office in RG31; 97 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 RG31

• South East
• Reading
• West Berkshire

Roads filed under RG31

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.

• Acorn Walk
• Addiscombe Chase
• Albert Illsley Close
• Albury Gardens
• Alder Drive
• Andover Close
• Angus Close
• Apple Close
• Armour Hill
• Armour Road
• Armour Walk
• Ashbury Drive
• Ashmere Close
• Ashton Close
• Ashwood Close
• Aston Avenue
• Avington Close
• Avon Close
• Ayrton Senna Road
• Back Lane
• Bainbridge Road
• Balfour Drive
• Ballamoor Close
• Bamford Place
• Bancroft Place
• Barbara's Meadow
• Barbrook Close
• Barclay Road
• Barefoot Close
• Barley Walk
• Barton Road
• Bayford Drive
• Bay Tree Rise
• Beal's Lane
• Beechwood Avenue
• Berkshire Drive
• Beverley Road
• Birkhall Close
• Bitterne Avenue
• Blackthorn Close
• Blackwater Rise
• Blagrave Rise
• Blewbury Drive
• Boundary Close
• Bourne Close
• Bowfell Close
• Bracken Close
• Bradwell Road
• Brian Dowding Court
• Brierley Place
• Broadlands Close
• Brooksby Road
• Brookside
• Broom Close
• Bucknell Close
• Burbidge Close
• Caistor Close
• Calbourne Drive
• Calcot Place Drive
• Calshot Place

Check an address in RG31

Check an address in RG31

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

curl "https://spaw.co/api/v1/address/streets?country=GB&postal_code=RG31" \
  -H "Authorization: Bearer $SPAW_KEY"

Common questions about RG31

What does an RG31 postcode tell you?

That the address lies in the RG31 district of the RG (Reading) postcode area, and the place OS Open Names most often lists first for its postcodes is Reading. The district alone does not place a street: the inward half of the full postcode narrows the address to one of the district's 639 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 RG31

• RG302.2 km
• RG15.3 km
• RG46.1 km
• RG76.8 km
• RG87.0 km
• RG27.8 km
• RG68.4 km
• RG510.2 km
• RG912.9 km
• RG4113.4 km
• RG1013.7 km
• RG2614.2 km
• Every district
• How a British address is written
• Check any address

distance between the districts' centroids