DY1 postcode district

Postcodes and sectors

797 of the district's 1,220 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 52.51650, -2.09671, which locates the district, not a building.

Companies registered in DY1

Companies House lists 2,234 companies with a registered office in DY1; 265 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 DY1

• Dudley
• West Midlands
• Coseley
• Sedgley
• Kingswinford

Roads filed under DY1

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.

• Abbotsford Drive
• Acacia Close
• Aintree Way
• Aldeney Close
• Alexandra Place
• Alexandra Street
• Angel Street
• Ascot Drive
• Ashenhurst Road
• Ashenhurst Walk
• Ash Green
• Ash Road
• Attingham Drive
• Austin Close
• Badminton Close
• Balmoral View
• Balvenie Way
• Beaumaris Close
• Beckensall Close
• Beech Green
• Beech Road
• Belvoir Close
• Bennett Avenue
• Berkswell Close
• Bermuda Close
• Blackberry Close
• Blackthorne Close
• Blackthorne Road
• Blenheim Way
• Bluebell Road
• Boleyn Way
• Bordeaux Close
• Boscobel Close
• Brackenfield View
• Bradfield Way
• Bramble Green
• Bramford Drive
• Breamore Crescent
• Brelades Close
• Broom Road
• Buckingham Rise
• Bullfinch Close
• Bull Street
• Burnell Way
• Burton Road
• Bushey Fields Road
• Butler Close
• Byron Crescent
• Caernarvon Way
• Calymene Mews
• Canal Street
• Cardoness Place
• Carlton Close
• Castlegate Drive
• Castlegate Way
• Castle Hill
• Castle Mill Road
• Castle Street
• Castle View
• Cedar Road

Check an address in DY1

Check an address in DY1

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

curl "https://spaw.co/api/v1/address/streets?country=GB&postal_code=DY1" \
  -H "Authorization: Bearer $SPAW_KEY"

Common questions about DY1

What does a DY1 postcode tell you?

That the address lies in the DY1 district of the DY (Dudley) postcode area, and the place OS Open Names most often lists first for its postcodes is Dudley. The district alone does not place a street: the inward half of the full postcode narrows the address to one of the district's 797 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 DY1

• DY22.5 km
• DY32.8 km
• DY43.3 km
• DY54.4 km
• WV144.7 km
• B694.8 km
• DY65.0 km
• B655.1 km
• B645.2 km
• WV46.0 km
• B706.3 km
• WV26.5 km
• Every district
• How a British address is written
• Check any address

distance between the districts' centroids