Subsidence

We work with key data providers in the market to provide you with a choice of data sets to suit your organisation's perils models.

Read on to learn more about all of our data sets or click on a specific data set below to find out more.

Name	BGS GeoSure
Data Source	British Geological Survey (BGS)
Theme	Subsidence
Update Frequency	Annual
Description	GeoSure provides detailed information on subsidence and ground movement in Great Britain, which could lead to financial insurance loss. The dataset identifies areas of potential hazard and natural ground movement. It is a 1:50 000 high-resolution dataset, providing information about six natural ground subsidence hazards in Great Britain and links these to a postcode. These six hazards are Collapsible Deposits, Compressible Ground, Soluble Rocks (dissolution), Running Sand, Landslides (slope instability), and Shrink–Swell. This database contains a normalised hazard rating for each of the six BGS GeoSure hazards and a combined unified hazard rating for each postcode in Great Britain.
Coverage	Great Britain

Name	National Tree Map
Data Source	BlueSky
Theme	Nature
Update Frequency	Regularly – as new aerial photography becomes available (3-year rolling update programme)
Description	BlueSky’s National Tree Map (NTM) is the most detailed dataset of its kind ever produced. With coverage across the whole of England and Wales, NTM provides a comprehensive database of location, height and canopy/ crown extents for every single tree 3m and above in height
Coverage	England, Wales