BN42 postcode district

Postcodes and sectors

219 of the district's 295 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 50.83758, -0.23471, which locates the district, not a building.

Companies registered in BN42

Companies House lists 932 companies with a registered office in BN42; none of them at an address 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 BN42

• South East
• Southwick
• Adur
• West Sussex
• Brighton and Hove
• The City of Brighton and Hove

Roads filed under BN42

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.

• Albert Road
• Albion Street
• Amelia Close
• Butts Road
• Church House Close
• Church Lane
• Colebrook Road
• Croft Avenue
• Cromleigh Way
• Cross Road
• Cross Road Close
• Downland Avenue
• Downland Close
• Downsway
• Eastbank
• Fairdene
• Farm Way
• Glebe Close
• Grange Road
• Green Close
• Green Field Close
• Greenways
• Hadrian Avenue
• Highdown
• Highdown Close
• Hill Farm Way
• Hillside
• Holmbush Way
• Kingsfield Close
• Kings Road
• Kingston Lane
• Kingston Way
• Lower Drive
• Manor Close
• Manor Hall Road
• Meadow Close
• Meadway Court
• Mile Oak Crescent
• Mile Oak Road
• Millcroft Avenue
• Millcroft Gardens
• Milton Drive
• Oakapple Road
• Old Barn Way
• Old Dairy Close
• Oldfield Crescent
• Old Rectory Gardens
• Old Shoreham Road
• Orchard Close
• Overhill
• Park Lane
• Park Way
• Park Way Close
• Paythorne Close
• Phoenix Crescent
• Phoenix Way
• Pipit Mews
• Prince Charles Close
• Queens Road
• Rectory Road

Check an address in BN42

Check an address in BN42

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

curl "https://spaw.co/api/v1/address/streets?country=GB&postal_code=BN42" \
  -H "Authorization: Bearer $SPAW_KEY"

Common questions about BN42

What does a BN42 postcode tell you?

That the address lies in the BN42 district of the BN (Brighton) postcode area, and the place OS Open Names most often lists first for its postcodes is Southwick. The district alone does not place a street: the inward half of the full postcode narrows the address to one of the district's 219 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 BN42

• BN411.3 km
• BN432.3 km
• BN34.0 km
• BN156.4 km
• BN16.7 km
• BN457.3 km
• BN448.6 km
• BN29.5 km
• BN510.3 km
• BN1110.3 km
• BN1410.4 km
• BN611.8 km
• Every district
• How a British address is written
• Check any address

distance between the districts' centroids