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For the complete documentation index, see llms.txt. This page is also available as Markdown.

OS Download Products' Documentation

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.

What's available on this site?

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

Download data product portfolios

The Download data products are grouped by portfolio:

Example image showing AddressBase data.

Addresses and Names

Explore mapping data relating to addresses, Unique Property Reference Numbers (UPRNs), named features and places. Discover address details, postcodes, identifiers and features.

Example image showing Code-Point product data over a background map.

Areas and Zones

Explore mapping data designed to provide information about areas used for administration and analysis. Discover postcodes, boundaries and built up areas.

Example image showing OS MasterMap Topography Layer – Building Height Attribute product data.

Buildings and Infrastructure

Explore mapping data designed to provide information about the built environment. Discover building and structure features, identifiers and topography layers.

Example image showing OS MasterMap Greenspace Layer product data over a background map of an urban area.

Land and Terrain

Explore mapping data designed to show land cover, land use and elevation. Discover land and built environment features, greenspace and topography layers.

Example image showing 1:25 000 Scale Colour Raster data.

Maps and Imagery

Explore mapping data designed to provide visual context, allowing you to perform simple analysis. Discover raster and vector maps, imagery and topography layers.

Example image showing OS Multi-Modal Routing Network product data over a background map of an urban area.

Transport Network

Explore mapping data designed to provide information about roads, paths, trams, ferries and railways. Discover transport networks, features and identifiers.

Example image showing OS Open Rivers product data over a background map.

Water

Explore mapping data designed to show water bodies, tidelines and river networks. Discover water features, identifiers and topography layers.

Types of Download data products

There are two types of Download data product: OS Premium and OS OpenData:

When we refer to Premium products we mean paid-for datasets – whether they’re paid for by businesses, purchased through an OS Partner, or accessed free at the point of use under the Public Sector Geospatial Agreement (PSGA).

The OS Premium Download data products are available to download in a range of formats, with a variety of ordering options, through the OS Data Hub on our Premium and Public Sector plans.

Our Premium Download data products work in a range of software, including ESRI ArcGIS, QGIS, Mapbox, Cadcorp SIS, MapInfo, Tableau, Kepler.gl and many more.

Additional OS product resources

The following pages may be of interest:

📣 Product Announcements

A page detailing any newsworthy announcements for the OS 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 data and OS OpenData Download 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.

NextAddresses and Names Portfolio

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