OS NGD Explained
This page explains what the OS NGD is, how to access it and who can use it.
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This page explains what the OS NGD is, how to access it and who can use it.
Last updated
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The OS National Geographic Database (OS NGD) contains authoritative data that describes the geography of Great Britain. It delivers improved data structures, increased currency of data supply and enhanced metadata.
The OS NGD is available to OS Partners and to public sector organisations who are members of the Public Sector Geospatial Agreement (PSGA). OS Select+Build and the OS NGD APIs can be accessed via the on either the .
The PSGA (Public Sector Geospatial Agreement) sets out how Ordnance Survey (OS) provides world-leading location data and expertise to the public sector across Britain. It supports the delivery of critical infrastructure and services, as well as working to help protect our environment.
, including the benefits of joining, instructions on how to access OS data, success stories, support, registration process information and instructions, and a PSGA Member finder tool to check if your organisation is already a member.
There are two access methods for OS NGD data:
(the download service)