Topography Portfolio Information

This page provides an overview of the OS downloadable products in the Topography Portfolio.

Topography products

Topography products allow users to visualise geographic data to make clearer location-based decisions about assets, risks and services. The following downloadable products are available within the Topography Portfolio:

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.