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Ordnance Survey – Great Britain's national mapping agency

Land-Form PROFILE®

About the product

Land-Form PROFILE provides detailed height data defining the physical shape of the landscape of Great Britain.


The 1:10 000 scale digital height dataset is available as either contours or a digital terrain model (DTM) covering the whole of Great Britain.


It provides a consistent foundation for 3-D modelling applications, to maximise the potential of your information and enable exciting fly-through models.

Land-Form PROFILE is available in either NTF or DXF™ (AutoCAD® release 12 compatible).


Features and benefits

  • A national dataset consisting of edgematched contours and DTM tiles.
  • Contours are indexed every 25 metres (50 metres in mountainous areas).
  • The contour dataset includes mean high water and mean low water marks in England and Wales, and mean high and low water springs in Scotland.
  • The contour dataset also includes spot heights on significant features in low-lying areas and along linear features.
  • The DTM’s 10-metre grid offers a manageable file size for most desktop GIS.

Land-Form PROFILE

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Suggested applications

  • Environmental impact analysis – can be used for river catchment and pollution analysis, and to enable the visualisation of landscape change.
  • Highway and pipeline planning – establish a level route and combine with map data to minimise obstructions and environmental impact.
  • Water network analysis – use to accurately establish network pressure and identify areas at risk or requiring service improvement.
  • Planning – an essential part of the planning process, for example, to establish the potential risk of flood plain development.
  • Radio wave analysis – for signal propagation and cell design.

View the product interactively

Take a look at how Land-Form PROFILE might appear in a GIS by launching our product viewer.

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AutoCAD is a registered trademark and DXF is a trademark of Autodesk Incorporated.

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