Mastermap Topo

OS MasterMap® Topography Layer provides a highly detailed view of Great Britain's landscape including individual buildings, roads and areas of land. In total, it contains in excess of 400 million individual features.

This product has many uses, from assessing risk (financial or environmental) to being an aid  in the management of items that relate to geographical features such as pipelines.

Features and benefits

  • Detailed, accurate and rich in attributes allowing you to carry out in-depth analysis.
  • Current - updates available every six weeks.
  • Features are grouped into nine themes enabling more tailored use.

Technical details

Format: GML 2.1.2.

Data structure: Vector (points, lines, polygons and text).

Themes: Administrative boundaries, buildings, heritage and antiquities, land, rail, roads, tracks and paths, structures, terrain and height, and water.

Scale: 1:1250 to 1:10 000.

Update frequency: Six weekly - Continuous and cyclic revision (synchronised with other layers).

Supply: Download, DVD

Coverage: Great Britain (predefined areas are available or you may define your own area of interest)


From 1p per hectare!!  Please contact us for a detailed quote.


Please get in contact for a sample, we can provide a 3 month non-commercial trial of any Ordnance Survey Product.

The below sample shows all themes: -


The sample below shows only the topography layers: -

Mastermap _Topo _Only 

 *Price listed is based on a bulk order of hectares and excludes VAT