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

Perform powerful geospatial analysis. Filter the data to receive exactly what you need, as and when you need it.

OS Places API lets you perform accurate geocoding and reverse geocoding with our secure, scalable, and resilient address API.

Create beautiful, responsive, and interactive vector maps powered by the OS National Geographic Database (OS NGD).

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.

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

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

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