🗺️PSGA Product Summary

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.

OS National Geographic Database

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.

OS National Geographic Database (OS NGD)

Authoritative data describing the geography of Great Britain by bringing together multiple data collections and themes as a single data source.

OS NGD API – Features

An API providing access to filtered OS NGD features data from the OS NGD.

OS NGD API – Tiles

An API providing access to vector tile services powered by the OS NGD, allowing you to create a detailed and customisable basemap based on the latest OGC API – Tiles standard.

Downloadable products

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.

AddressBase

Access to a current view of all Royal Mail Postcode Address File (PAF) addresses with additional location-based data featuring residential or commercial classifications.

AddressBase Core

Access to over 33 million addresses sourced from Local Authority data and supplied with a Unique Property Reference Number (UPRN) and property-level coordinates.

AddressBase Plus

Access to over 37 million postal and non-postal addresses sourced from Local Authorities, Ordnance Survey and Royal Mail for England, Wales and Scotland.

AddressBase Premium

Provides the most detailed view available of an address and its lifecycle from creation through to retirement in England, Wales and Scotland.

Boundary-Line

An open dataset that represents every administrative and electoral boundary and their names for for England, Scotland and Wales.

Code-Point

A postcode locator that locates over 1.7 million postcode units in Great Britain and Northern Ireland – providing information about delivery points, positional quality, type and district codes amongst other data points.

Code-Point Open

An open dataset of all 1.7 million postcode units in Great Britain and Northern Ireland.

Code-Point with Polygons

A dataset providing the notional extent of every postcode in Great Britain for visualisation and analysis at a national scale.

OS Emergency Services Gazetteer (OS ESG)

Provides a national, consistent, and maintained view of the locations of names, places and objects in Great Britain to support the Emergency Services.

OS Open Names

A comprehensive open dataset of place names, road numbers and postcodes for Great Britain.

Topography

Topography products allow users to visualise geographic data to make clearer location-based decisions about assets, risks and services.

OS MasterMap Topography Layer – Building Height Attribute

An enhancement to OS MasterMap Topography Layer that provides building height properties to manage assets, plan works and visualise urban density.

OS MasterMap Greenspace Layer

A detailed dataset of public and private greenspaces within urban areas for Great Britain.

OS MasterMap Sites Layer

A dataset containing the detailed extents of important locations such as airports, schools, hospitals, utility and infrastructure sites, and more.

OS MasterMap Topography Layer

A detailed and accurate view of the landscape of Great Britain, representing both the manmade and natural environment, with over 500 million real-world objects.

OS Open Greenspace

An open dataset depicting the location, access and extent of spaces, such as parks and sports facilities likely to be accessible to the public.

Contextual or derived

Contextual or derived mapping products make OS data more accessible, customisable and easier to use for use for web, mobile and desktop applications.

1:25 000 Scale Colour Raster

A digital alternative to Ordnance Survey's OS Explorer paper map series for Great Britain, available in 10km square tiles.

1:50 000 Scale Colour Raster

A digital alternative to Ordnance Survey's OS Landranger paper map series for Great Britain, available in 20km square tiles.

1:250 000 Scale Colour Raster

An open small-scale, digital, raster mapping product giving a regional view, similar in content and appearance to a typical road atlas.

GB Overview Maps

Two overview maps of Great Britain at 1:5 000 000 scale for commercial, personal or educational use. An OpenData product.

MiniScale

A small-scale digital map of Great Britain designed for customers requiring high-quality mapping for documents and publications. An OpenData product.

OS Open Zoomstack

An open vector basemap showing coverage of Great Britain from a national level, down to street level detail.

OS OpenMap – Local

A dataset of detailed, street-level mapping of Great Britain, providing one of the most detailed generalised open mapping products available.

OS VectorMap District

A open simple vector dataset, designed for creating graphical mapping with a nominal scale of 1:25 000 covering the whole of Great Britain.

OS VectorMap Local

A highly detailed, customisable, street-level map, showing fences, building outlines, paths and street names.

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.

OS Open Linked Identifiers

An open dataset of cross-referenced identifiers detailing relationships between Unique Property Reference Numbers (UPRNs), Unique Street Reference Numbers (USRNs) and Topographic Identifiers (TOIDs).

OS Open TOID

An open dataset of unique identifiers for landscape and built environment features with a generalised location extracted from OS MasterMap products.

OS Open UPRN

An open dataset enabling linking, sharing and visualisation of data related to Unique Property Reference Numbers (UPRNs).

OS Open USRN

An open dataset containing all Unique Street Reference Numbers (USRNs) from OS MasterMap Highways Network.

Networks

Network products provide detailed and accurate network datasets for highways, roads, paths and waterways.

OS Detailed Path Network

A fully connected, heighted path network covering Britain’s National Parks to allow users to create off-road navigation websites and apps.

OS MasterMap Highways Network – Roads

A navigable road network dataset with detailed information about planned roads and roads under construction.

OS MasterMap Highways Network – Routing and Asset Management Information (RAMI)

Routing data from Ordnance Survey's large-scale road and path data integrated with data from the National Street Gazetteer (NSG), the Trunk Road Street Gazetteer (TRSG) and the Scottish Street Gazetteer (SSG).

OS MasterMap Highways Network – Paths

A path network dataset for Great Britain showing who is responsible for all the footpaths through towns and cities in Great Britain.

OS MasterMap Water Network Layer

A three-dimensional attributed digital representation of Great Britain's watercourses that provides a range of information about the watercourses depicted.

OS Multi-Modal Routing Network (OS MRN)

A fully connected routable network containing  multi-modal connectivity between Road, Rail, Path, and Ferry networks for the routing of people and goods.

OS Open Rivers

An open dataset providing a high-level view of over 144 000km of water bodies and watercourses in Great Britain.

OS Open Roads

An open dataset providing a high-level digital representation of Great Britain's road network.

Height

Height products assist users in evaluating the landscapes of Great Britain with digital terrain models (DTMs).

OS Terrain 50

An open height dataset of contours with spot heights, breaklines, coastline, lakes, ridges and formlines for Great Britain.

APIs

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.

OS Maps API

Access detailed pre-rendered raster tiles in multiple styles to make intelligent location-based decisions within your applications.

OS Features API

Access to OS data filtered by feature layers to apply only the data you need as and when you need it.

OS Vector Tile API

Access detailed OS MasterMap data as a vector tile service, providing a customisable basemap optimised for use with most web mapping libraries.

OS Linked Identifiers API

Access data defining valuable links and relationships between properties, streets and OS MasterMap identifiers.

OS Places API

Direct access to rich sets of addressing data providing a detailed view of an address and its lifecycle.

OS Names API

A geographic directory that supports the discovery, identification and visualisation of identifiable places within OS data.

OS Downloads API

Provides automated access to OS data products and packages for integration with existing systems and software.