SO15 postcode district

Postcodes and sectors

1,167 of the district's 1,898 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 50.91704, -1.42442, which locates the district, not a building.

Companies registered in SO15

Companies House lists 3,826 companies with a registered office in SO15; 1,022 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 SO15

• Southampton
• City of Southampton
• South East

Roads filed under SO15

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.

• Albany Road
• Alexandra Road
• Allington Road
• Almond Road
• Amoy Street
• Ampthill Road
• Andover Road
• Anglesea Road
• Archers Road
• Arlott Court
• Arthur Road
• Ashridge Close
• Asylum Road
• Atherley Court
• Atherley Road
• Auckland Road
• Avro Close
• Bangor Road
• Banister Gardens
• Banister Road
• Beatrice Road
• Bedford Place
• Beechfield Court
• Beech Road
• Bellemoor Road
• Bellevue Road
• Benson Road
• Berkeley Close
• Berkeley Road
• Blechynden Terrace
• Blighmont Avenue
• Blighmont Crescent
• Boundary Close
• Bourne Avenue
• Bourne Road
• Bramston Road
• Branksome Avenue
• Bridgwater Court
• Bridlington Avenue
• Brighton Road
• Brookside Avenue
• Brunel Road
• Brunswick Place
• Burlington Road
• Burton Road
• Cannon Street
• Canton Street
• Carlton Crescent
• Carlton Place
• Carlton Road
• Castle Court
• Cawte Road
• Cedar Avenue
• Cemetery Road
• Central Station Bridge
• Charles Knott Gardens
• Charlton Road
• Cherry Walk
• Church End
• Church Street

Check an address in SO15

Check an address in SO15

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

curl "https://spaw.co/api/v1/address/streets?country=GB&postal_code=SO15" \
  -H "Authorization: Bearer $SPAW_KEY"

Common questions about SO15

What does an SO15 postcode tell you?

That the address lies in the SO15 district of the SO (Southampton) postcode area, and the place OS Open Names most often lists first for its postcodes is Southampton. The district alone does not place a street: the inward half of the full postcode narrows the address to one of the district's 1,167 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 SO15

• SO142.2 km
• SO162.3 km
• SO172.5 km
• SO184.4 km
• SO195.2 km
• SO405.6 km
• SO526.9 km
• SO458.1 km
• SO538.2 km
• SO508.2 km
• SO308.6 km
• SO3110.1 km
• Every district
• How a British address is written
• Check any address

distance between the districts' centroids