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Ordnance Survey's Boundary-Line™ is an open dataset of every administrative boundary in Great Britain.

Access the relationships between properties, streets and OS MasterMap identifiers for free.

OS Maps API offers the most convenient way to add detailed OS data to your application. Benefit from unrivalled levels of detail in your GIS, web or mobile app.

An open dataset enabling linking, sharing and visualisation of data related to UPRNs.

With OS Features API, you can filter Ordnance Survey data for buildings, roads, rivers, hospitals, playing fields, and greenspaces.

Ordnance Survey's Code-Point® Open is an open dataset of all the current postcode units in Great Britain.

The OS Downloads API lets you script and automate your downloads of OS OpenData and OS Premium data. Save valuable time by automating the process.

An open dataset of the high-level view of watercourses in Great Britain.

OS Terrain® 50 is an open height dataset of contours with spot heights, breaklines, coastline, lakes, ridges and formlines for Great Britain.

Ordnance Survey's MiniScale® is an open national backdrop map of Great Britain.

An open dataset of cross-referenced identifiers between various OS data products.

An open dataset of the high-level view of the road network in Great Britain.

A vector tile service providing detailed Ordnance Survey data as a customisable basemap.

OS OpenMap Local is an open dataset of detailed, street-level mapping of Great Britain.

OS Open Greenspace is Britain’s most comprehensive Open dataset of greenspace. Find the location of public parks, sports facilities, play areas, allotments and more.

Ordnance Survey's GB Overview Maps is an open overview map of Great Britain.

1:250 000 Scale Colour Raster is an open dataset of the regional view of towns and villages, roads and places of interest.

Ordnance Survey's OS Open Zoomstack is an open vector basemap showing coverage of Great Britain from a national level, right down to street detail.

A dataset of unique identifiers for a wide range of land-scape and built environment features with a generalised location from OS MasterMap products.

OS Open Names is an open dataset of place names, road numbers and postcodes in Great Britain.

The statistical geographies used by Government departments to analyse census data, deliver on policy and improve services.

An open dataset containing all USRNs from OS MasterMap Highways Network with a simplified line geometry.

A geographic directory with basic information on identifiable places. Find the closest location to a given point through the API.

OS VectorMap® District is an open basemap to overlay and visualise your own information on.