Enjoy a memorable family day at one of over 400 English Heritage sites – like Hadrian's Wall or Dover Castle – when you subscribe to OS Maps ...

From RTÉ Radio 1's The History Show, writer Mary Russell tells the story of how the very first Ordnance Survey maps of ...

Ordnance Survey (OS), the UK's leading mapping authority, has revealed that its open datasets are now available through ...

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.

This land is gently sloping. It is also important to be able to interpret the site and situation of a settlement from an OS map. There are both physical and human factors that affect the site and ...