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I am wanting to get a copy of the OS 1km Grid layer.

I have found these previous questions:

But neither provide the information I required.

The first question does provide some links to the OS web site but these now return the 404 error. A subsequent comment mentions its half way down this page:

But which specific item should I be downloading? It is not obvious!

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  • What do you intend to do with the data you download? If you provide us with a bit of background on your project we can advise you on the best dataset to download.
    – Rob Lodge
    Commented Nov 26, 2013 at 11:59
  • Currently I'm wanting to use this layer to allow me to produce a list of the selected 1km grid squares. The list then used to select the corresponding tiles of LiDAR.
    – RobN
    Commented Nov 26, 2013 at 12:26

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Many of these answers are now out of date with dead links.

There is useful github here with OS National Grid Shapefiles at various scales:

https://github.com/charlesroper/OSGB_Grids

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These can be found here. These were found via the wonderful ShareGeo website: http://edina.ac.uk/projects/sharegeo/content.html

Edit - they can be quite slow to load - but do cover the entirety of Great Britain. No coverage for Northern Ireland unfortunately:

1km grid

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  • Unfortunately I dont have access to Edina, my student access ran out a few years ago!
    – RobN
    Commented Nov 26, 2013 at 12:28
  • I'm confident you can still apply for access, even if no longer registered at a formal academic establishment. My understanding was that ShareGeo is for the University of Life - will be disappointed if you can't gain access. Try here: sharegeo.ac.uk/password-login
    – RobinLovelace
    Commented Nov 26, 2013 at 12:33
  • OS doesn't map NI so that is why there is no coverage.
    – Ian Turton
    Commented Nov 26, 2013 at 13:00
  • I'm surprised the 1km grid is not downloadable directly from the OS website.
    – RobN
    Commented Nov 26, 2013 at 14:20
  • Me too. Any luck getting an Edina login? May take some time to process your request. Best of luck with it.
    – RobinLovelace
    Commented Nov 26, 2013 at 14:23
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Here is a link where you can download the whole set in ESRI Shapefile format

Download Here

This will probably be up for a few days so can you please download ASAP

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  • While the answer is correct, if the link is only up for a few days then this thread will suffer the same fate as the previous two.
    – HeikkiVesanto ♦
    Commented Nov 26, 2013 at 16:14
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    @Vesanto totally understand but will need to check internally how Ordnance Survey can best do this for other users rather than keep it where it is.
    – tjmgis
    Commented Nov 26, 2013 at 16:47
  • Not sure if the license for this dataset would allow it, but I could upload this to GitHub which would be as stable a home as we can get right now.
    – Charles Roper
    Commented Nov 29, 2013 at 10:16
  • With regard to the license, the best option would be to stick an Open Data license on it if we can. E.g., opendatacommons.org
    – Charles Roper
    Commented Nov 29, 2013 at 10:19
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    I've added the files to Github and created GeoJSON versions so that can be previewed/used from there directly. Take a look: github.com/charlesroper/OSGB_Grids. Note, the 1km GeoJSON layer is too big to preview in GitHub.
    – Charles Roper
    Commented Nov 29, 2013 at 14:21
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About as accurate as I have seen:

http://www.ordnancesurvey.co.uk/docs/maps/national-grid-map.pdf (from the OpenData page)

The previous post is referencing PAI (OS Positional Accuracy Improvement), which was done about a decade ago now, so obsolete and hence the 404.

I don't think there is a 1km grid layer.

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Ordnance Survey's GitHub organisation now has a repository containing a GeoPackage of these grids at various resolutions (including 1 km): https://github.com/OrdnanceSurvey/OS-British-National-Grids.

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