EC4Y postcode district

Postcodes and sectors

123 of the district's 411 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 51.51291, -0.10895, which locates the district, not a building.

Companies registered in EC4Y

Companies House lists 1,140 companies with a registered office in EC4Y; 669 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 EC4Y

• Greater London
• London
• City and County of the City of London
• City of London
• City of Westminster
• Islington

Roads filed under EC4Y

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.

• Ashentree Court
• Bazalgette Embankment
• Bouverie Street
• Bride Lane
• Carmelite Street
• Church Court
• Crown Office Row
• Dorset Buildings
• Dorset Rise
• Falcon Court
• Fleet Street
• Hutton Street
• Inner Temple Lane
• John Carpenter Street
• Kings Bench Walk
• Lombard Lane
• Magpie Alley
• Middle Temple Lane
• Old Mitre Court
• Pleydell Court
• Pleydell Street
• Primrose Hill
• Salisbury Court
• St Bride's Avenue
• St Bride's Passage
• Tallis Street
• Temple Avenue
• Temple Lane
• The Terrace
• Tudor Street
• Victoria Embankment
• Whitefriars Street

Check an address in EC4Y

Check an address in EC4Y

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

curl "https://spaw.co/api/v1/address/streets?country=GB&postal_code=EC4Y" \
  -H "Authorization: Bearer $SPAW_KEY"

Common questions about EC4Y

What does an EC4Y postcode tell you?

That the address lies in the EC4Y district of the EC (East Central London) postcode area, and the place OS Open Names most often lists first for its postcodes is City of London. The district alone does not place a street: the inward half of the full postcode narrows the address to one of the district's 123 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 EC4Y

• EC4A0.3 km
• WC2A0.5 km
• EC4V0.6 km
• WC2R0.6 km
• EC4M0.7 km
• WC1V0.8 km
• EC1N0.8 km
• WC2B0.8 km
• WC1R0.9 km
• EC1A0.9 km
• WC2E1.0 km
• EC1M1.0 km
• Every district
• How a British address is written
• Check any address

distance between the districts' centroids