CH41 postcode district

Postcodes and sectors

789 of the district's 1,127 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 53.39441, -3.03311, which locates the district, not a building.

Companies registered in CH41

Companies House lists 3,448 companies with a registered office in CH41; 1,686 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 CH41

• Wirral
• North West
• Birkenhead
• Wallasey

Roads filed under CH41

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.

• Abbey Close
• Abbey Street
• Aberdeen Street
• Adelphi Street
• Alabama Way
• Albert Laver Close
• Albion Street
• Alderley Avenue
• Alma Street
• Alverstone Avenue
• Alwen Street
• Appin Road
• Argyle Street
• Argyle Street South
• Ark Royal Way
• Arthur Street
• Ashford Road
• Ashville Road
• Aspinall Street
• Asquith Avenue
• Athol Street
• Avon Street
• Back Menai Street
• Back Oliver Street
• Ball's Road East
• Bank Street
• Banning Close
• Barton Street
• Beaufort Road
• Beckwith Street
• Beckwith Street East
• Bentinck Close
• Bentinck Place
• Bentinck Street
• Berner Street
• Bertha Gardens
• Bertha Street
• Bevan Street
• Bidston Avenue
• Birchwood Avenue
• Birchwood Close
• Birkenhead Rotary Way
• Blackpool Street
• Bluebell Avenue
• Borough Pavement
• Borough Place
• Borough Road East
• Bramble Avenue
• Brandon Street
• Brassey Street
• Brattan Road
• Bray Street
• Brenig Street
• Brett Street
• Bridge Street
• Bright Street
• Brill Street
• Brimstage Street
• Brookland Road
• Brook Street

Check an address in CH41

Check an address in CH41

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

curl "https://spaw.co/api/v1/address/streets?country=GB&postal_code=CH41" \
  -H "Authorization: Bearer $SPAW_KEY"

Common questions about CH41

What does a CH41 postcode tell you?

That the address lies in the CH41 district of the CH (Chester) postcode area, and the place OS Open Names most often lists first for its postcodes is Birkenhead. The district alone does not place a street: the inward half of the full postcode narrows the address to one of the district's 789 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 CH41

• CH251.4 km
• CH432.1 km
• CH442.3 km
• CH422.4 km
• L743.0 km
• L23.2 km
• L33.6 km
• L13.6 km
• L694.0 km
• CH454.0 km
• L84.6 km
• CH494.9 km
• Every district
• How a British address is written
• Check any address

distance between the districts' centroids