What does an E1W postcode tell you?

That the address lies in the E1W district of the E (East London) postcode area, and the place OS Open Names most often lists first for its postcodes is 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 433 live postcodes.

E1W postcode district

E1W, in the E (East London) postcode area, has 433 live and 535 terminated postcodes in the ONS Postcode Directory of August 2026, and OS Open Names files 117 roads under it.

postcode area	E (East London)
live postcodes	433
terminated postcodes	535
sectors	4
roads listed	117
companies registered	3,999
centroid	51.50946, -0.05889
directory release	2026-08

Postcodes and sectors

433 of the district's 968 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 51.50946, -0.05889, which locates the district, not a building.

sector	live	terminated
E1W 1	77	96
E1W 2	128	92
E1W 3	143	78
E1W 9	85	269

Companies registered in E1W

Companies House lists 3,999 companies with a registered office in E1W; 2,659 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 E1W

London
Tower Hamlets
Greater London

Roads filed under E1W

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.

Agatha Close
Alderman Stairs
Artichoke Hill
Asher Way
Balkan Walk
Benson Quay
Bere Street
Betts Street
Boxwood Gardens
Breezer's Hill
Brewhouse Lane
Bridewell Place
Brodlove Lane
Burr Close
Bushell Street
Butcher Row
Chandler Street
Chigwell Hill
Choppin's Court
Cinnamon Street
Clave Street
Clegg Street
Codling Close
Cranford Street
Discovery Walk
Douthwaite Square
Dundee Street
East Smithfield
Elf Row
Emery Way
Farthing Fields
Fowey Close
Garnet Street
Glamis Place
Glamis Road
Glasshouse Fields
Green Bank
Heckford Street
Hellings Street
Hermitage Stairs
Hermitage Wall
Hilliard's Court
Jardine Road
John Rennie Walk
Kennet Street
King Henry's Stairs
Knighten Street
Lilley Close
Lily Close
Lime Close
Mace Close
Meeting House Alley
Merino Gardens
Mews Street
Milk Yard
Monza Street
Nesham Street
New Crane Place
New Crane Stairs
Orange Court

all 117 roads

Orton Street
Pearl Street
Peartree Lane
Pelican Stairs
Penang Street
Pennington Quay Walk
Pennington Street
Pier Head
President Drive
Prusom Street
Raine Street
Ratcliffe Orchard
Reardon Path
Reardon Street
Redcastle Close
Redmead Lane
Reunion Row
Roding Mews
Rum Close
Saint Anthony's Close
Sampson Street
Scandrett Street
Schoolhouse Lane
Shadwell Dock Stairs
Shadwell Pierhead
Smeaton Street
Sovereign Close
Star Place
Stevedore Street
St Katharine's Way
Stockholm Way
Sun Walk
Tench Street
Thomas More Square
Thomas More Street
Torrington Place
Tower Bridge Approach
Vaughan Way
Vinegar Street
Virginia Street
Wapping Dock Stairs
Wapping Dock Street
Wapping High Street
Wapping Lane
Wapping Wall
Waterman Way
Watts Street
Wavel Court
Waveney Close
Welland Mews
Wellclose Street
West Gardens
Wine Close
A101
A126
A1203
B107

Check an address in E1W

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

curl "https://spaw.co/api/v1/address/streets?country=GB&postal_code=E1W" \
  -H "Authorization: Bearer $SPAW_KEY"

Common questions about E1W

What does an E1W postcode tell you?: That the address lies in the E1W district of the E (East London) postcode area, and the place OS Open Names most often lists first for its postcodes is 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 433 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 E1W

E10.9 km
EC3N1.3 km
SE161.5 km
EC3A1.6 km
EC3M1.6 km
EC3R1.7 km
EC3V1.9 km
EC2N2.0 km
EC2M2.1 km
EC4R2.2 km
E22.3 km
EC4N2.3 km
Every district
How a British address is written
Check any address

distance between the districts' centroids

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