OS Premium Rasters information

Features & Benefits
The OS Premium Rasters map service has been optimised to provide a consistent raster backdrop at all zoom scales.

As with all of the OS Raster datasets, this combined service delivers high-resolution data with a range of uses and benefits:
  • a comprehensive range of features such as Roads, railways, vegetation, boundaries, urban Extent, buildings. 
  • Rich topographic data content
  • Uncluttered and clean mapping 

OS Premium Rasters is derived from the full range of free and premium Ordnance Survey raster datasets to provide high quality background mapping at all scales. This service comprises of Miniscale, 1:250k, 1:50K and 1:10K Colour Raster. Please click on more information for full cache scale information.

As with all of our raster services, all of the mapping images in OS Premium Rasters have been processed to make them as clear as possible.

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

Background mapping

Data Type
Cached map service

ArcGIS Server 10 compact cache

Great Britain

Data Scale
The OS Premium Raster map service is cached at the following levels:
1:10,000,000 - Strategi
1:5,000,000 - Strategi
1:2,500,000 - Strategi
1:1,000,000 - Strategi
1:500,000 - Strategi
1:250,000 - Strategi
1:100,000 - Strategi
1:75,000 - Strategi
1:50,000 - 1:50k Colour Raster
1:25,000 - 1:25k Colour Raster
1:10,000 - 1:10Colour Raster
1:5,000 - 1:10k Colour Raster
1:2,500 - 1:10k Colour Raster

Update Frequency


Coordinate Reference System
British National Grid (OSGB36)