You can use the following websites to help you identify sheet numbers or national grid references on the various different scales and editions of published ordnance survey maps. The british geological survey was founded in 1835 as the ordnance geological survey under henry de la beche and remained a branch of the ordnance survey until 1965 at the same time the uneven quality of the english and scottish maps was being improved by engravers under benjamin baker by the time colby retired in 1846 the production of six inch maps of ireland was complete.
Find our ordnance survey contact details below.
Ordnance survey map numbers. If you are looking to obtain a field parcel measurement please contact your nearest walk in map outlet. Use the zoom to narrow in on an area and select more info to find out more about the map. Find out everything you need to know about field parcel numbers and how they are shown on ordnance survey os maps.
Our ranges vary in scale and suit a number of purposes. You can use the top left arrow to switch between explorer 1 25k and landranger 1 50k mapping. Let us know how we can help.
Finding maps as well as written records often involves identifying a sheet number or a national grid reference. They re crammed full of useful tourist information as well as mapping of roads footpaths open access areas and more. Explore our extensive range of paper maps from localised highly detailed to maps that cover vaster ground.
Use our map selector to see which area a map covers and the nearby surrounding maps. The most detailed maps of great britain.