SS11 postcode district

Postcodes and sectors

476 of the district's 727 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 51.61757, 0.53797, which locates the district, not a building.

Companies registered in SS11

Companies House lists 2,499 companies with a registered office in SS11; 920 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 SS11

• Essex
• Eastern
• Basildon
• Wickford
• Runwell
• Chelmsford
• Rochford
• Battlesbridge
• Rawreth
• Brock Hill
• Rawreth Shot

Roads filed under SS11

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.

• Adam Way
• Alderney Gardens
• Alfred Gardens
• Alicia Avenue
• Alicia Close
• Alicia Walk
• Alicia Way
• Ambleside
• Apple Tree Way
• Arundel Road
• Athelstan Gardens
• Aydon Close
• Baines Place
• Bakers Farm Close
• Barnet Park Road
• Barnfield
• Beauchamps Drive
• Beccles Court
• Bedloes Avenue
• Beeches Road
• Beedell Avenue
• Beke Hall Chase North
• Belchamps Road
• Berens Close
• Berne Link
• Birs Close
• Blackthorn Close
• Blake Hall Drive
• Boiler House Road
• Bonnell Close
• Boreham Close
• Bridge Road
• Brock Hill
• Brock Hill Drive
• Browns Avenue
• Bruce Grove
• Brunwins Close
• Bruton Link
• Burnham Road
• Burr Close
• Camomile Drive
• Canewdon Close
• Canewdon Gardens
• Canute Close
• Carlton Road
• Carruthers Close
• Carruthers Drive
• Cartlodge Avenue
• Charters Court
• Chelmsford Road
• Chemlsford Road
• Cherry Lane
• Chestnut Grove
• Church End Avenue
• Church End Lane
• Church Road
• Clare Avenue
• Clovelly Gardens
• Coltishall Close
• Corsellis Close

Check an address in SS11

Check an address in SS11

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

curl "https://spaw.co/api/v1/address/streets?country=GB&postal_code=SS11" \
  -H "Authorization: Bearer $SPAW_KEY"

Common questions about SS11

What does an SS11 postcode tell you?

That the address lies in the SS11 district of the SS (Southend-on-Sea) postcode area, and the place OS Open Names most often lists first for its postcodes is Wickford. The district alone does not place a street: the inward half of the full postcode narrows the address to one of the district's 476 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 SS11

• SS121.8 km
• SS135.1 km
• SS65.7 km
• SS146.3 km
• CM116.4 km
• SS76.7 km
• SS57.6 km
• SS168.5 km
• CM128.6 km
• SS158.8 km
• SS910.5 km
• SS811.2 km
• Every district
• How a British address is written
• Check any address

distance between the districts' centroids