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.
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.
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:
There are two access methods for OS NGD data:
(the download service)
The OS NGD is available to OS Partners and to public sector organisations who are members of the .
Find out what the key benefits of the OS NGD are.
Download OS NGD sample data or visualise it online.
Learn about new data and access enhancements recently released for the OS NGD, planned future data enhancements on our roadmap, the change log, recent data improvements, and recent announcements.
Find out about OS NGD planned maintenance, any live service disruption, current data issues and resolved data issues.
OS NGD Fundamentals covers the core elements of OS NGD design, including available data formats and file naming, data schema versioning, access methods, data ordering and currency, attribute information for feature types, unique identifiers and coordinate reference systems.
Our getting started guides will help you access, use and style OS NGD data. You'll also find in-depth information on OS NGD design, and webinars, tutorials and case studies.
View frequently asked questions about OS NGD data and the download service of OS Select+Build.
Learn about the OS NGD data structure and the data available for each theme, collection and feature type.
Access all of the code lists for the OS NGD.
Learn about new data and access enhancements recently released for the OS NGD.
Data structure pages provide more detailed information about data available for OS NGD themes, collections and feature types.
Resources for styling OS NGD data.