OS NGD Explained

This page explains what the OS NGD is, how to access it and who can use it.

What is the OS NGD?

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.

Short YouTube video explaining what the OS NGD is.

How do I access the OS NGD?

There are two access methods for OS NGD data:

• OS Select+Build (the download service)

• OS NGD APIs

Short YouTube video showing the OS NGD access methods of OS Select+Build and the OS NGD APIs.

Who can use the OS NGD?

OS Select+Build and the OS NGD APIs are available to Public Sector Geospatial Agreement (PSGA) Members and OS Partners through the OS Data Hub. The OS NGD is accessible via both the Premium Plan and Public Sector Plan on the OS Data Hub.

What's the PSGA?

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. 

Find out more about the PSGA by visiting the OS website, 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.