N18 postcode district

Postcodes and sectors

548 of the district's 896 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 51.61382, -0.06664, which locates the district, not a building.

Companies registered in N18

Companies House lists 2,712 companies with a registered office in N18; 274 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 N18

• Greater London
• London
• Enfield
• Edmonton
• Haringey

Roads filed under N18

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.

• Aberdeen Road
• Adlington Close
• Advent Way
• Albany Road
• Alpha Road
• Alston Road
• Amersham Avenue
• Angel Close
• Angel Place
• Angel Road
• Anthony Way
• Argon Road
• Argyle Road
• Ascot Road
• Banksia Road
• Barclay Road
• Barnes Road
• Baxter Road
• Becket Road
• Benjafield Close
• Berkshire Gardens
• Bolton Road
• Booker Road
• Bradwell Mews
• Branksome Avenue
• Brettenham Road
• Bridport Road
• Broadberry Court
• Brockenhurst Mews
• Bromley Road
• Buckstone Road
• Bull Lane
• Bulwer Road
• Cameron Close
• Canada Avenue
• Cannon Road
• Cavendish Close
• Cavendish Road
• Cheddington Road
• Claremont Street
• Clarendon Road
• Clive Avenue
• College Close
• College Gardens
• Colyton Way
• Commercial Road
• Conduit Lane
• Copperfield Mews
• Cornwall Road
• Cowper Road
• Craig Park Road
• Cranesbill Way
• Cross Street
• Culpepper Close
• Cuthbert Road
• Daniel Close
• Denton Road
• Derby Road
• Derwent Avenue
• Devonia Gardens

Check an address in N18

Check an address in N18

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

curl "https://spaw.co/api/v1/address/streets?country=GB&postal_code=N18" \
  -H "Authorization: Bearer $SPAW_KEY"

Common questions about N18

What does an N18 postcode tell you?

That the address lies in the N18 district of the N (North London) postcode area, and the place OS Open Names most often lists first for its postcodes is Edmonton. The district alone does not place a street: the inward half of the full postcode narrows the address to one of the district's 548 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 N18

• N91.7 km
• N171.8 km
• N132.6 km
• N223.4 km
• N213.4 km
• N153.6 km
• E44.3 km
• E174.4 km
• EN14.5 km
• N145.0 km
• N115.0 km
• N85.0 km
• Every district
• How a British address is written
• Check any address

distance between the districts' centroids