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KW12 postcode district

KW12, in the KW (Kirkwall) postcode area, has 48 live and 8 terminated postcodes in the ONS Postcode Directory of August 2026, and OS Open Names files 21 roads under it.

postcode areaKW (Kirkwall)
live postcodes48
terminated postcodes8
sectors1
roads listed21
companies registered67
centroid58.50656, -3.49254
directory release2026-08

Postcodes and sectors

48 of the district's 56 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 58.50656, -3.49254, which locates the district, not a building.

sector live terminated
KW12 6488

Companies registered in KW12

Companies House lists 67 companies with a registered office in KW12 (1 October 2026 snapshot).

Places OS Open Names lists for KW12

  • Highland
  • Scotland
  • Halkirk
  • Harpsdale
  • Westerdale
  • Roadside
  • Stemster
  • Clayock
  • Sordale
  • Olgrinmore
  • Brawlbin

Roads filed under KW12

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 Park
  • Braal Terrace
  • Bridge Street
  • Ca-na-Catanach
  • Camilla Street
  • Church Court
  • Church Lane
  • Church Street
  • Comliefoot Drive
  • Crescent Street
  • Fairview Court
  • George Court
  • George Street
  • Henrietta Court
  • Henrietta Street
  • J B Court
  • Manse Place
  • Sinclair Lane
  • Sinclair Square
  • Sinclair Street
  • The Meadows

Check an address in KW12

Check an address in KW12

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

curl "https://spaw.co/api/v1/address/streets?country=GB&postal_code=KW12" \
  -H "Authorization: Bearer $SPAW_KEY"

Common questions about KW12

What does a KW12 postcode tell you?
That the address lies in the KW12 district of the KW (Kirkwall) postcode area, and the place OS Open Names most often lists first for its postcodes is Halkirk. The district alone does not place a street: the inward half of the full postcode narrows the address to one of the district's 48 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 KW12

distance between the districts' centroids

Wrong result, or is it about you? If this tool said something you think is wrong, tell us and a person reads it. If Spaw is holding data about you and you never signed up here — a customer may have had your address verified, or reported that a message to it bounced — erase it yourself, confirmed by mail to that address and with no account needed.

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