BN1 postcode district

Postcodes and sectors

1,578 of the district's 2,860 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 50.84266, -0.13936, which locates the district, not a building.

Companies registered in BN1

Companies House lists 13,449 companies with a registered office in BN1; 5,468 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 BN1

• South East
• The City of Brighton and Hove
• Brighton
• Brighton and Hove
• Lewes
• East Sussex
• Falmer
• Stanmer
• Waterhall
• Mid Sussex
• West Sussex

Roads filed under BN1

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.

• Adams Close
• Addison Road
• Air Street
• Albert Road
• Alexandra Villas
• Alfred Road
• Ann Street
• Argyle Road
• Arlington Crescent
• Arts Road
• Ashburnham Close
• Ashburnham Drive
• Ashford Road
• Ashley Close
• Audrey Close
• Badger Way
• Baker Street
• Balfour Road
• Ballards Mill Close
• Bankside
• Baranscraig Avenue
• Barcombe Place
• Barcombe Road
• Barnett Road
• Barn Rise
• Barrack Yard
• Barrhill Avenue
• Barrow Close
• Barrow Hill
• Bartholomews
• Bates Road
• Bath Street
• Bavant Road
• Beacon Close
• Beaconsfield Road
• Beaconsfield Villas
• Beal Crescent
• Beatty Avenue
• Bedford Place
• Bedford Square
• Beechwood Avenue
• Beechwood Close
• Belmont
• Belmont Street
• Bengairn Avenue
• Billinton Way
• Biology Road
• Birch Grove Crescent
• Black Lion Lane
• Black Lion Street
• Blackman Street
• Blackthorn Close
• Blenheim Place
• Boiler House Hill
• Bond Street
• Bond Street Laine
• Bond Street Row
• Borough Street
• Bostal Road
• Boston Street

Check an address in BN1

Check an address in BN1

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

curl "https://spaw.co/api/v1/address/streets?country=GB&postal_code=BN1" \
  -H "Authorization: Bearer $SPAW_KEY"

Common questions about BN1

What does a BN1 postcode tell you?

That the address lies in the BN1 district of the BN (Brighton) postcode area, and the place OS Open Names most often lists first for its postcodes is Brighton. The district alone does not place a street: the inward half of the full postcode narrows the address to one of the district's 1,578 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 BN1

• BN32.8 km
• BN23.3 km
• BN415.5 km
• BN426.7 km
• BN457.0 km
• BN439.0 km
• BN69.9 km
• BN710.4 km
• BN1011.2 km
• RH1512.8 km
• BN513.1 km
• BN1513.1 km
• Every district
• How a British address is written
• Check any address

distance between the districts' centroids