DL15 postcode district

Postcodes and sectors

708 of the district's 812 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 54.71103, -1.73027, which locates the district, not a building.

Companies registered in DL15

Companies House lists 620 companies with a registered office in DL15; none of them at an address 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 DL15

• County Durham
• North East
• Crook
• Willington
• Howden-le-Wear
• Hunwick
• Sunnybrow
• Stanley Crook
• Billy Row
• Fir Tree
• Oakenshaw
• Roddymoor
• Helmington Row
• North Bitchburn
• South View
• High Grange
• North View
• Low Beechburn
• High Beechburn

Roads filed under DL15

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 Gardens
• Abbeywood
• Abbots Green
• Acacia Gardens
• Acorn Drive
• Addison Street
• Albert Street
• Albion Place
• Appleby Court
• Armstrong Drive
• Arthur Street
• Arthur Terrace
• Ash Drive
• Austen Way
• Bainbridge Avenue
• Ballarat Drive
• Bank Foot Grove
• Barnfield Way
• Beckside Mews
• Bedburn Close
• Beechburn Park
• Beechwood Lane
• Belle Vue
• Belle Vue Terrace
• Bell Street
• Billy Hill
• Billy Row Green
• Birch Drive
• Birch Meadows
• Birtley Lane
• Black Road
• Bladeside
• Blencathra Crescent
• Bluebell Court
• Borrowdale Grove
• Boyne Street
• Bracken Hill Road
• Brandon Lane
• Brandon To Bishop Auckland Walk
• Briar Gardens
• Bridge End
• Bridge Street
• Brockwell Court
• Bronte Court
• Brookside Avenue
• Brown Court
• Browning Place
• Bulman Walk
• Burnhope Close
• Burnington Drive
• Burn Place
• Buttermere Grove
• Byron Court
• Caldwell Drive
• Calvert Street
• Cambridge Avenue
• Canterbury Crescent
• Carville Terrace
• Castle Close
• Castle View

Check an address in DL15

Check an address in DL15

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

curl "https://spaw.co/api/v1/address/streets?country=GB&postal_code=DL15" \
  -H "Authorization: Bearer $SPAW_KEY"

Common questions about DL15

What does a DL15 postcode tell you?

That the address lies in the DL15 district of the DL (Darlington) postcode area, and the place OS Open Names most often lists first for its postcodes is Crook. The district alone does not place a street: the inward half of the full postcode narrows the address to one of the district's 708 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 DL15

• DL147.1 km
• DL168.1 km
• DH79.7 km
• DL410.5 km
• DL1712.6 km
• DH113.2 km
• DL514.2 km
• DH9914.4 km
• DL1314.6 km
• DH917.6 km
• DH617.7 km
• DH817.9 km
• Every district
• How a British address is written
• Check any address

distance between the districts' centroids