The data structure of OS Open Greenspace in Geography Markup Language (GML) format is described by a Unified Modelling Language (UML) class diagram and accompanying tables containing text.
OS Open Greenspace geometry is published with a precision of two decimal places.
OS Open Greenspace consists of the following classifications:
Public parks or gardens
Play spaces
Golf courses
Sports areas or playing fields
Churchyards or burial grounds
Allotments or community growing spaces
A full table of these classifications and associated Ordnance Survey real-world terms and their definitions is included in the Function Value Code List.