The NEXTMap topographic data was collected using Intermap’s Star-3i IFSAR (Interferometric Synthetic Aperture Radar) producing a Digital Surface Model (DSM), a Digital Terrain Model (DTM) and orthorectified radar imagery (ORI) for the whole of the England, Scotland and Wales. All data has been processed to the OSGB National Grid and Newlyn Datum.
Intermap and Geosense have produced a wide variety of products which are ready to buy off-the-shelf from Geosense in a wide variety of GISand CAD ready formats.

Contact Geosense for prices on all NEXTMap Britain and Other NEXTMap datasets from around the world including USA and Indonesia.

DIGITAL TERRAIN MODEL
NEXTMap Digital Terrain Model is available with postings at 5m, 10m and 50m intervals. The DTM is devoid of vegetation, buildings and other features, leaving a bald earth model.
Formats available form Geosense include ArcGrid, ASCII, DXF, NTF, DGN and DWG.Digital

Terrain Model shown here with coloured heights.