OS Features API

Use OS Features API to filter Ordnance Survey data and receive exactly what you need, as and when you need it. Buildings, roads, rivers, hospitals, playing fields, greenspaces – there are many data layers available. There are lots of options for applying spatial filters (e.g. Intersects), attribute filters and even combinations. For example, you can select all buildings within a specified area of interest (a polygon feature).

Benefit from current, detailed and accurate data to help you generate new location-based insight. OS Features API contains OS MasterMap Topography Layer and much more, and can remove the need to download, store and manage large and complex datasets.

OS Features API gives you direct access to the detailed geometries and rich attribution of individual features. It is based on the OGC standard Web Feature Service (WFS) so is interoperable with lots of GIS software and web mapping libraries.

Things to remember for OS Features API

You can:

• Request specific feature types and their attributes using spatial or attribute queries.

• Visualise and style Ordnance Survey data.

• Interrogate highly detailed feature information, including OS MasterMap Topography Layer.

• Create and apply your own styling preferences.

You can't:

• Create a scalable map of Great Britain across zoom levels.

• Request more than 100 features in a single transaction.