Maps published by Ordnance Survey and related bodies, including the War Office (ca. 1840s-1960s). The maps are ordered below by country, from larger scales (most detailed maps) to smaller scales (less detailed maps), followed by indexes and characteristics sheets (symbols and legends). Browse all Ordnance Survey maps for a place.

For many places, the oldest large-scale Ordnance Survey map dates from the 1860s, 1870s or 1880s. Many different editions of Ordnance Survey maps have been produced since then. 4. How to find Ordnance Survey maps at The National Archives

The Ordnance Survey National Grid maps, 1940s-1970s - This list below includes all National Grid sheets at 1:1,250 covering central London, and all 1:2,500 and 1:10,560 sheets in the TQ 100 Km square that are out-of-copyright. They are the most detailed Ordnance Survey maps after the Second World War.

You can find contact details for archives elsewhere using Find an archive. Major libraries, including Legal Deposit Libraries, where published maps are held include: Digitised copies of many Ordnance Survey maps are available on several websites including: You can view Ordnance surveyors’ drawings online at the British Library website.