OS Terrain is the name given to Ordnance Survey’s new range of height products.
The Overview introduces the product and gives context for all users. It highlights key features, provides examples of potential uses for the product and lists details like file sizes, supply formats, etc.
Technical specification (PDF)
The Technical Specification provides detailed technical information about the product. It is targeted at technical users and software developers.
Getting started with GeoPackage (PDF)
This guide helps you to get started using GeoPackage - a lightweight format that can contain large amounts of complex data in a single, easy to distribute and ready to use file.
|Key Features||What this product offers|
GML 3.2 and ASCII (DTM grid); GML 3.2 and Esri shapefile, Vector Tiles, GeoPackage (Contours)
Grid points (DTM grid); Vector points and lines (Contours)
Post spacing of 50m (DTM grid); Vertical interval of 10m (Contours)
10km x 10km
Once a year, in July