OS MasterMap Imagery Layer

The OS MasterMap Imagery Layer provides high-resolution aerial imagery of Great Britain, offering a real-world view. It is designed to offer a visual representation of the landscape. Each pixel represents a 25cm x 25cm area on the ground. 


This product is updated every three months

Data access
  • Download and hard disk drive (HDD)
Data structure
  • Raster
Scale/resolution
25cm
Format
  • ECW
  • JPG
  • TIFF

What OS MasterMap Imagery Layer provides you with

Reduce the need for site visits

Using our aerial imagery to check road markings, tree canopies or site entrances cuts down the need for site visits, so you can save money and manage time more efficiently.

Revelation for engineers, surveyors and planners

For engineers, for surveyors, for planners, Imagery Layer is a revelation. It's aligned to OS MasterMap Topography Layer and is incredibly detailed, expertly colour-balanced and corrected for geometric distortions.

Ideal for projects

OS MasterMap Imagery Layer is an off-the-shelf product for the whole of Great Britain. You can get it under perpetual use terms – ideal for projects – as well as fixed-term licences.

Up-to-date imagery and data

OS MasterMap Imagery Layer uses the same source imagery that underpins our large-scale data updates. Our processing software produces true-orthorectified imagery, removing building lean from aerial imagery to give you a consistent top-down view.

Use cases

  • The high-resolution aerial photography offers a true top-down view, ideal for identifying geographical features.  
  • Offers a visual basemap in applications, providing real-world context for location-based services and surveying applications.  
  • Compatible with multiple data formats and include georeferencing files.  

The OS MasterMap Imagery Layer provides high-resolution aerial imagery of Great Britain, offering a real-world view. It is designed to offer a visual representation of the landscape. Each pixel represents a 25cm x 25cm area on the ground. 


This product is updated every three months

Data access
  • Download and hard disk drive (HDD)
Data structure
  • Raster
Scale/resolution
25cm
Format
  • ECW
  • JPG
  • TIFF