OS NGD Documentation
Welcome to OS NGD documentation! Here you can learn how to get started using OS NGD data via OS Select+Build and the OS NGD APIs.
What's the OS NGD?
The OS National Geographic Database (OS NGD) is a structured database containing authoritative geospatial data for Great Britain. It provides the most current, comprehensive and richly attributed data describing Great Britain ever produced by OS in non-proprietary data formats that are easily integrated into a wide array of customer systems and workflows.
What's available on this site?
This self-serve site is where you will find documentation to help you get started using OS NGD data via the download service of OS Select+Build and the two OS NGD APIs. Using the left-hand-side navigation menu, you can select and view pages and sections of interest, including:
In-depth information on OS NGD data, including structure, applications and news: