The Ordnance Survey’s revenues from its OS Maps app rose by 13pc to £9.5m in the year to April, according to the service’s annual report. By contrast, sales of its paper maps fell by 5pc to ...

OS maps show physical and human features as symbols. This makes the maps easier to read. Each OS map has a key to show what the symbols mean. Large-scale maps - 1:1,250, 1:2,500 and 1:10,000.

The Ordnance Survey (OS) is the mapping agency for Great Britain. It creates up-to-date paper and digital maps for individuals and businesses to use.