Availability |
99.9% uptime (See Service Levels and Maintenance as defined in our Terms & Conditions) |
Output format |
RESTful HTTP Request. Response in 256 x 256 PNG tile. OGC WMTS, ZXY protocols.Full technical documentation. |
Projections |
EPSG:27700 (British National Grid) and EPSG:3857 (web Mercator) |
Data update frequency |
The underlying data for OS Maps is updated between every six weeks to six months, depending on thedata source. More information can be found here. |
Geographical coverage |
Great Britain |