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OS VML and Mastermap Basemap information

Features & Benefits
High-resolution backdrop map data includes:

  • A comprehensive range of features such as Roads, railways, vegetation, boundaries, urban Extent, buildings. 
  • Rich topographic data content 
  • Uncluttered and clean mapping 

The combination of OS VectorMap® Local and OS MasterMap® Topography Layers provide a highly detailed view of Great Britain's landscape zooming seamlessly down through road, railway and urban extents, through to very fine detail of individual buildings, roads and areas of land. 

Central Government, Defence, Education, Insurance, Local Government, Public Safety, Utilities, Private sector

Background mapping

Data Type
ArcGIS Online Tile Layer

Great Britain

Data Scale
1:75,000 and smaller scales- Strategi
1:50,000 - Strategi + VectorMap District
1:25,000 - VectorMap District
1:10,000 - VectorMap Local
1:5,000 - VectorMap Local
1:2,500 - OS MasterMap
1:1,250 - OS MasterMap
1:500 – OS MasterMap
1:250 – OS MasterMap (Resampled)

Update Frequency

Coordinate Reference System
British National Grid (OSGB36)