The largest freely available online archive of twentieth century georeferenced OS maps of Great Britain and Ireland at "road map" scales from 1:25k to 1:633k including One Inch, Half Inch and Quarter Inch mapping.
https://www.sabre-roads.org.uk/maps
SABRE Maps
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SABRE Maps has the largest collection anywhere of modern Ordnance Survey GB 1:250k #OpenData #maps, all freely available for people to see. And now on #MapMonday the brand new 2026 edition is here for you to enjoy! Try our Map Fader and see what changes from 2025 you can find buff.ly/KY5kHm6
SABRE Maps
As a reminder, we have every single edition of every single OS One Inch Seventh Series available to view on SABRE Maps!
...except that one pesky sheet of Doncaster (Revision A/) which we cannot find anywhere, so if anyone has one, or know anywhere that has one, please let us know!
Five more new #maps have been made available on SABRE Maps this #MapMonday at the Half Inch scale from 1936-37. Our favourite is definitely the Peak District district map, featuring those well-known Peak District places like Liverpool, Manchester, Nottingham and North Florida... buff.ly/F4gISgn
A challenge for everyone this #MapMonday! We've added four Half Inch #maps from 1945 and 1946; and two of them are two different revisions of the Ordnance Survey Half Inch District sheet of Greater London, as well as two sheets covering parts of Ireland.
This #MapMonday, we're having a small pause from the Half Inch journey, whilst we realise that in January we completely missed two 1975 Quarter Inch OSI #maps for the southern part of #Ireland. So, we'll go a long way to make it up... buff.ly/4SHJ4vc
So the challenge here is, using our Map Fader functionality to compare the two editions, what differences can you find? buff.ly/7S7rENM
New on SABRE Maps this #MapMonday? Half Inch #maps from 1939 - covering parts of all of the nations of our islands. Once again, it's amazing how much change there has been since these map was published - the Falls Road really isn't on the edge of Belfast any more for example! buff.ly/Uch0OEX
Phew! What a scorcher! And what more could we ask to enjoy the warm weather this #MapMonday than to spend some of it in front of some newly uploaded Half Inch #maps of Ireland on SABRE Maps, from between 1948 and 1952. buff.ly/36FVAf4
Just the one additional sheet to highlight on SABRE Maps this #MapMonday - the 1935 Ordnance Survey Half Inch #Map of Greater London. Taking in a lot more than the modern definition of Greater London, it includes lots of places that look very, very different today... buff.ly/YvH8yy9
It's World Bicycle Day today, here are two Ordnance Survey map covers from between the wars by OS in-house artist Ellis Martin (more examples of his work below). More free time after WWI led to an increase in walking and cycling maps, often with covers as attractive as these @bodleian.ox.ac.uk
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Saw this on a map
May is #LocalHistoryMonth www.history.org.uk/historian/re... Maps are wonderful for exploring the history of your area. As well as flat maps, we have an extensive collection of folded maps such as this 7th Edition one inch map of Birmingham #LibraryofBham @histassoc.bsky.social
