Explore documentation and guides for OS Premium and OpenData Download products, such as AddressBase Premium, OS MasterMap Topography Layer, Boundary-Line and OS Open Zoomstack.
This is a self-serve site containing documentation and guides relating to the Ordnance Survey (OS) Premium and OpenData Download products available to download through the OS Data Hub.
On the left-hand-side menu, we've grouped documentation first by portfolio, then alphabetically by product. Under each product's landing page, you'll usually find the following product-specific documents:
Release Notes (available for most products)
An Overview
A Getting Started Guide (available for most products)
A Technical Specification
Downloads (contains any additional files to download for a product, such as classification schemes and CSV header files, and links to product stylesheets and XML schemas held on other OS sites, if available for a product)
Known Data Issues
New products have a 'new' emoji (🆕) against their name so that they are easy to spot in the left-hand-side menu.
The Download data products are grouped by portfolio:
There are two types of Download data product: OS Premium and OS OpenData:
OS OpenData Download products are free to use by anyone for any purpose – including for services from which you make a profit.
The OS OpenData Download products are available to download in a variety of formats, with a variety of ordering options, through the OS Data Hub.
The following pages may be of interest:
Addressing and Location
Addressing and location products provide authoritative and accurate address, property and land data, with comprehensive location-based directories for users to draw from.
Contextual or Derived Mapping
Contextual or derived mapping products make OS data more accessible, customisable and easier to use for use for web, mobile and desktop applications.
Networks
Network products provide detailed and accurate network datasets for highways, roads, paths and waterways.
Topography
Topography products allow users to visualise geographic data to make clearer location-based decisions about assets, risks and services.
Identifiers
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.
Height and Imagery
Height products provide digital terrain models (DTMs) to assist users in evaluating the landscapes of Great Britain.
📣 Product Announcements
A page detailing any newsworthy announcements for the Download data products.
🔍 Sample Data
Download product sample data from the OS Data Hub or visualise it online using the OS MasterMap Product Viewer Tool.
📑 Terms and Conditions
The terms and conditions on which the OS Premium and OS OpenData Download data products are made available.
📅 Product Refresh Dates
The update frequencies of the Premium and OpenData Download products and the calendar months in which these updates are published.
You'll also find tables listing the upcoming and past publication and data cut / extraction dates for AddressBase and OS MasterMap Topography Layer.
🗺️ OS Product Roadmap
The roadmap has details of new Download product releases (for Premium and OpenData products) and upcoming OS National Geographic Database (OS NGD) releases, plus dates for planned product withdrawals as they reach their End of Life stage.
✏️ PSGA Product Summary
A page listing all of the OS data products available to Public Sector Geospatial Agreement (PSGA) Members on an unlimited basis across the OS National Geographic Database (OS NGD), APIs and Download data products.
