https://www.ordnancesurvey.co.uk/products/os-mastermap-greenspace-layer
OS MasterMap Greenspace Layer | Data Products | OS
OS MasterMap Greenspace Layer is a detailed dataset of the greenspaces within an urban area for Great Britain.
os mastermapgreenspacelayerdataproducts
https://www.ordnancesurvey.co.uk/blog/20-years-of-the-os-mastermap-topography-layer
20 years of the OS MasterMap Topography Layer | Blog | OS
Celebrating 2 decades since we launched the most detailed and geographically complete dataset of Great Britain.
20 yearsof theos mastermaptopographylayer
https://www.ordnancesurvey.co.uk/products/open-mastermap-programme
Opening up OS MasterMap data | Data Products | OS
The OS Open MasterMap Implementation Programme helped shape new access and sharing arrangements for OS MasterMap.
opening upos mastermapdataproducts
https://www.ordnancesurvey.co.uk/products/open-mastermap-programme/opening-up-property-extents
Property extents open data | Opening up OS MasterMap data | OS
As part of the Public Sector Geospatial Agreements (PSGA), OS is providing new freedoms to share data.
open dataopening uppropertyextentsos