OS MasterMap Topography Layer Downloads
OS MasterMap – real-world object catalogue
A catalogue listing the real-world objects (RWOs) present in OS MasterMap data and the features and attributes associated with them is available as a PDF download below.
Stylesheets
Predefined stylesheets for OS MasterMap Topography Layer are available for download from the OS MasterMap Topography Layer Stylesheets GitHub repository. To download a ZIP containing all stylesheets, navigate to Code > Download ZIP.
OS MasterMap XML schema
The OS MasterMap XML schema is available from the application schemas page on the Ordnance Survey website. Previous versions of this schema are available to download from the website, the most recent version is included below:
OS MasterMap XML schema, version 9
OpenGIS Consortium schemas
W3C schemas
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