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National Tree Map

Trees play a vital role in day to day life – improving the air we breathe, providing valuable habitats for our wildlife, and conserving energy by naturally cooling nearby buildings. However, they also pose a risk to properties, networks and subterranean assets, by causing subsidence or pipeline fractures through root damage, and endangering overhead lines through trees falling and loose branches. It is therefore essential that those involved in tree and vegetation management have access to the most accurate and comprehensive data available. The attributes that this data provides can then be expanded into 3D geometry.

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Why use data from the National Tree Map

  • Tree management (including tree preservation orders)

  • Insurance and risk assessment

  • Flood and pollution monitoring

  • Transport infrastructure, e.g. railway lines • Utility and energy infrastructure

  • Town and city planning

  • Forestry

  • Ecology

  • Air quality monitoring

  • Land and estate management


Key Features

  • A unique, comprehensive database of location, height and canopy/crown extents for trees taller than 3m

  • Complete tree canopy cover across Great Britain

  • Created using Bluesky’s aerial photography and height datasets

  • 3 year rolling flying programme ensures data is up to date

  • For use in GIS, tree management and CAD packages

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