SS1 postcode district

Postcodes and sectors

692 of the district's 1,314 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 51.53745, 0.73131, which locates the district, not a building.

Companies registered in SS1

Companies House lists 3,782 companies with a registered office in SS1; 2,030 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 SS1

• Southend-on-Sea
• Eastern
• Shoeburyness

Roads filed under SS1

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.

• Acacia Drive
• Albert Road
• Alexandra Road
• Alexandra Street
• Ambleside Drive
• Armitage Road
• Arnold Avenue
• Ashburnham Road
• Ash Walk
• Baltic Avenue
• Barnstaple Close
• Barnstaple Road
• Barrowsand
• Beach Road
• Bellevue Avenue
• Bellevue Place
• Beresford Road
• Bournes Green Chase
• Bovinger Way
• Branscombe Gardens
• Branscombe Square
• Branscombe Walk
• Brettenham Drive
• Brighten Road
• Brighton Avenue
• Broadclyst Close
• Broadclyst Gardens
• Brunswick Road
• Bryant Avenue
• Burdett Road
• Burges Close
• Burges Road
• Burges Terrace
• Burleigh Square
• Burlescoombe Close
• Burlescoombe Leas
• Burlescoombe Road
• Burnaby Road
• Butterys
• Cambridge Road
• Camper Mews
• Camper Road
• Capadocia Street
• Capel Terrace
• Cashiobury Terrace
• Chadacre Road
• Challacombe
• Chancellor Road
• Chase Road
• Cheldon Barton
• Chelsea Avenue
• Chelsworth Close
• Chelsworth Crescent
• Cheltenham Road
• Cherrybrook
• Chester Avenue
• Chichester Road
• Chinchilla Road
• Church Road
• Clarence Road

Check an address in SS1

Check an address in SS1

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

curl "https://spaw.co/api/v1/address/streets?country=GB&postal_code=SS1" \
  -H "Authorization: Bearer $SPAW_KEY"

Common questions about SS1

What does an SS1 postcode tell you?

That the address lies in the SS1 district of the SS (Southend-on-Sea) postcode area, and the place OS Open Names most often lists first for its postcodes is Southend-on-Sea. The district alone does not place a street: the inward half of the full postcode narrows the address to one of the district's 692 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 SS1

• SS991.7 km
• SS21.8 km
• SS03.2 km
• SS34.1 km
• SS95.8 km
• SS46.3 km
• SS59.8 km
• SS810.0 km
• SS610.3 km
• SS711.0 km
• ME1213.8 km
• ME1113.9 km
• Every district
• How a British address is written
• Check any address

distance between the districts' centroids