M25 postcode district

Postcodes and sectors

786 of the district's 2,224 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 53.52830, -2.27577, which locates the district, not a building.

Companies registered in M25

Companies House lists 6,043 companies with a registered office in M25; 1,323 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 M25

• North West
• Bury
• Prestwich
• Simister
• Whitefield
• Salford
• Manchester

Roads filed under M25

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.

• Agecroft Road East
• Agecroft Road West
• Albert Avenue
• Albert Street
• Albion Place
• Ardent Way
• Arlington Avenue
• Arthur Street
• Ash Grove
• Bailey Street
• Balmoral Grange
• Bannerman Avenue
• Barnhill Avenue
• Barnhill Drive
• Barnhill Road
• Beaufort Street
• Beckley Avenue
• Bedford Street
• Beech Close
• Beechcroft
• Beechwood Road
• Belfield Road
• Bent Lane
• Birch Grove
• Bishops Road
• Blackburn Street
• Bland Road
• Bolton Close
• Brandram Road
• Branksome Avenue
• Breeze Mount
• Brentwood Court
• Bridle Road
• Broadstone Close
• Brookfield
• Brooklands Road
• Brooklawn Drive
• Brookmoor Road
• Buckingham Road
• Burns Gardens
• Bury New Road
• Bury Old Road
• Butterstile Avenue
• Butterstile Close
• Butterstile Lane
• Butt Hill Avenue
• Butt Hill Drive
• Butt Hill Road
• Byron Avenue
• Canterbury Drive
• Carlford Grove
• Carlton Avenue
• Carlton Drive
• Carmona Drive
• Carr Avenue
• Carrigart
• Carver Avenue
• Castle Hill Road
• Cawley Avenue
• Cedar Grove

Check an address in M25

Check an address in M25

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

curl "https://spaw.co/api/v1/address/streets?country=GB&postal_code=M25" \
  -H "Authorization: Bearer $SPAW_KEY"

Common questions about M25

What does an M25 postcode tell you?

That the address lies in the M25 district of the M (Manchester) postcode area, and the place OS Open Names most often lists first for its postcodes is Prestwich. The district alone does not place a street: the inward half of the full postcode narrows the address to one of the district's 786 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 M25

• M452.4 km
• M72.7 km
• M83.2 km
• M94.1 km
• M64.2 km
• M274.4 km
• M35.2 km
• M265.4 km
• M55.5 km
• M605.6 km
• M615.6 km
• M45.7 km
• Every district
• How a British address is written
• Check any address

distance between the districts' centroids