OS Terrain is the name given to Ordnance Survey’s new range of height products.
User guide (PDF)
This user guide is designed to provide an overview of OS Terrain 50 and it gives guidelines and advice on how a customer might derive the maximum benefit from the product.
Technical specification (PDF)
Technical details on how to use OS Terrain 50.
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|
|Formats||GML 3.2 and ASCII (DTM grid); GML 3.2 and Esri shapefile, Vector Tiles, GeoPackage (Contours)|
|Data structure||Grid points (DTM grid); Vector points and lines (Contours)|
|Resolution||Post spacing of 50m (DTM grid); Vertical interval of 10m (Contours)|
|Tile size||10km x 10km|
|Update frequency||Once a year, in July|