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OS MasterMap Topography Layer gives you access to the most detailed, current and comprehensive dataset of Great Britain. It offers an accurate visual context to help you interpret addresses, routes and imagery provided by other layers.
OS MasterMap Topography Layer is ideal for geo-tagging your assets, thanks to the topographic identifier (TOID®) at the heart of OS MasterMap. This makes it ideal for monitoring assets such as pipelines, pylons, bridges and warehouses.
OS MasterMap Topography Layer now includes an enhanced feature - Building Height Attribute. Visualise buildings in 3D and use our data to analyse the built environment.
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