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On this page
  • Topographic area
  • Road link
  • Road
  • BLPU
  • Street
  • Open road junctions
  • Open road links

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  1. Accessing OS APIs
  2. OS Linked Identifiers API

What data is available?

PreviousOS Linked Identifiers APINextGetting started with implementing a look-up application

Last updated 3 months ago

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Numerous OS data products are available through the OS Linked Indentifiers API.

The lists in the following sub-sections include a link to more information about the underlying OS product, the product category (premium vs open), the feature type name, and the identifier used in the dataset.

Click the product name links to find more information about each dataset.

Topographic area

  • OS Product:

  • Description: Polygon limited to building outline or road surface area.

  • Data Category: Premium

  • Feature Type Name: TopographicArea

  • Identifier: TOID

Road link

  • OS Product:

  • Description: Section of road from junction to junction.

  • Data Category: Premium

  • Feature Type Name: RoadLink

  • Identifier: TOID

Road

  • Description: Collection of RoadLinks with a given name.

  • Data Category: Premium

  • Feature Type Name: Road

  • Identifier: TOID

BLPU

  • Description: An address location with postal address. BLPU = Basic Land and Property Unit. UPRN = Unique Property Reference Number,

  • Data Category: Premium

  • Feature type name: BLPU

  • Identifier: UPRN

Street

  • Description: An identifier allocated to a street by a local authority. USRN = Unique Street Reference Number.

  • Data Category: Premium

  • Feature type name: Street

  • Identifier: USRN

Open road junctions

  • Description: Road junctions from our open data product.

  • Data Category: Open

  • Feature type name: ORRoadNode

  • Identifier: GUID

Open road links

  • Description: Road sections from our open data product

  • Data Category: Open

  • Feature type name: ORRoadLink

  • Identifier: GUID

OS Product:

OS Product:

OS Product:

OS Product:

OS Product:

OS MasterMap Topographic Layer
OS MasterMap Highways
OS MasterMap Highways
AddressBase Premium
OS MasterMap Highways
Open Roads
Open Roads