This page provides an overview of all the OS data products available to PSGA Members on an unlimited basis across the OS NGD, downloadable products and APIs.
The Public Sector Geospatial Agreement (PSGA) 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.
The OS National Geographic Database (OS NGD) is the latest generation of authoritative geospatial data to describe the geography of Great Britain – delivering increased currency, improved data structures and enhanced metadata to allow users to make the most of OS data.
Addressing and location products provide authoritative and accurate address, property and land data, with comprehensive location-based directories for users to draw from.
Topography products allow users to visualise geographic data to make clearer location-based decisions about assets, risks and services.
Contextual or derived mapping products make OS data more accessible, customisable and easier to use for use for web, mobile and desktop applications.
Identifier products provide a dataset of unique identifiers for a wide range of landscapes and built environment features for projects that require greater data connectivity.
Network products provide detailed and accurate network datasets for highways, roads, paths and waterways.
Height products assist users in evaluating the landscapes of Great Britain with digital terrain models (DTMs).
Ordnance Survey APIs give programmatic access to OS data and services, providing a powerful gateway to rich geospatial data that empowers organisations to integrate mapping data into their applications.