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Search below to find the best geospatial data product for you.

OS MasterMap Topography Layer

OS MasterMap® Topography Layer is the most detailed complete and current view of Great Britain’s landscape, allowing you to make location based decisions about your assets, risks and services.​

OS Downloads API

Save valuable time by automating the discovery and download of detailed OS data.


Accurate, up-to-date maps that offer the most convenient way to add detailed OS data to your application.

OS MasterMap Building Height Attribute

OS MasterMap Topography Layer – Building Height Attribute shows building height properties to help manage assets, plan works and visualise urban density.

OS Open Greenspace

Find the location of public parks, playing fields, sports facilities, play areas, allotments and more with OS Open Greenspace.

OS MasterMap Greenspace - Layer

OS MasterMap® Greenspace - Layer is Britain’s most comprehensive greenspace dataset covering urban areas across England, Scotland and Wales.

OS OnDemand (withdrawn)

OS OnDemand is no longer available (withdrawn in November 2021). We have now launched a new suite of APIs, accessible from our data access platform, OS Data Hub.

OS Features API

Direct access to the most detailed geographic data for your analysis. Take full advantage of rich geometries and attributes to generate new insight.

OS Vector Tile API

Slick, quick vector maps for use as a customisable, contextual base, with a focus on web and mobile apps.