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OS data for developers

Start building apps and solutions with Great Britain’s most authoritative location data

Exploring the OS Data Hub

The OS Data Hub is our portal for developers to access our data via APIs. Access a wide range of OS Premium and Open datasets including Base maps, addressing data, geographic features, and other linked identifiers.

Our APIs can be integrated with web-based mapping applications, data science workflows or GIS software, accessing up-to-date and authoritative location data on demand.

Our data and services


Use our base maps to build detailed reference mapping. Get unrivalled geographic context to your data with OS Maps API and customise map content and styles with the OS Vector Tile API.

Addressing data

Search GB’s most comprehensive online address database and locate addresses instantly with our robust and scalable look-up web service.

Geographic features

Get on-demand access to a wide range of accurate, detailed geographic features useful for visualisation and analysis with the OS Features API.

Web Developers

Build web-based applications with destination locators, scroll stories and interactive mapping.

GIS Analysts

Analyse OS data for modelling and mapping with GIS applications.

Data Scientists

Use our Premium and Open Data in your data science workflows, we show you how with our IPython Notebooks tutorial.

Developer blog

Removing the data management burden with the OS Features API

The OS Features API is a genuine time saver. It allows you to connect directly to the data you need, as and when you need it, removing the overheads of managing and storing data locally.

Slow Ways project launches beta website

The aim of the Slow Ways project is to create a national network of walking routes that connect all of Great Britain’s towns and cities.

SearchLand's mission to make property companies more data-driven

As part of our #OSDeveloper blog series, Geovation cohort SearchLand tells us how they are making property companies data-driven



Check out our GitHub repositories and raise an issue with our developers on GitHub.


Read more insights from our developers and GIS specialists

GIS Stack Exchange

Raise your technical questions via the popular developer Q&A site GIS Stack Exchange.