OS Open Zoomstack

An open vector basemap at multiple levels of resolution, showing coverage of Great Britain from a national level, right down to street detail.

This product is updated every six months

View documentationFree to use for everyone
Data access
  • Download and API
Data structure
  • Vector
Scale/resolution
National scale to street scale (1:5 000 000 to 1:10 000)
Format
  • GeoPackage
  • Vector Tiles

What OS Open Zoomstack provides you with

A single data file

The data is available in just one single file and provided in easy-to-use formats to help you get started quickly.

High-definition mapping

Vector Map Tiles contain actual data, not just images, which can be interrogated and analysed. The high-definition mapping also renders quickly, giving a seamless experience.

National coverage

OS Open Zoomstack gives you consistent mapping content across the whole of Great Britain. Zoom out for an overview or zoom in to get street level detail.

Variety of mapping features

By combining elements of OS OpenData, OS Open Zoomstack offers a variety of mapping features, including buildings greenspaces and contours.

Map with style

OS Open Zoomstack is supplied with four beautiful cartographic styles. You can also create your own look and feel by customising the cartography.

Use cases

  • Use as a basemap in GIS, interactive web maps or mobile apps. 
  • Integrate your own data to give it geographic context.
  • Customise the style and content to make your perfect map.

Additional information

You can overlay and include third party data in your GIS

For example, Axis Maps used OS Open Zoomstack and Land Registry data to create this interactive house prices map.

An open vector basemap at multiple levels of resolution, showing coverage of Great Britain from a national level, right down to street detail.

This product is updated every six months

View documentationFree to use for everyone
Data access
  • Download and API
Data structure
  • Vector
Scale/resolution
National scale to street scale (1:5 000 000 to 1:10 000)
Format
  • GeoPackage
  • Vector Tiles

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