As I understand it, we have made reasonable efforts to confirm that it's OK. Ultimately, you may need to make your own decision as to whether you are sufficiently convinced. But we have had written replies.
The ONS has been asked more than once, can we re-use the postcodes under the OGL. They have replied, yes you can. Our experts (notably Owen Boswarva) have not been absolutely convinced by the rationale behind the reply. It has been noted that we have been re-using the postcodes from NSUL/ONS UPRN Directory for several years and no objections have been raised. See Owen's message in this thread and his blog post linked from there. https://lists.openstreetmap.org/pipermail/talk-gb/2021-August/027600.html and other messages in that thread. Adrian On Friday, 17 October 2025 at 15:20:06 BST, Ken Kilfedder <[email protected]> wrote: This is terrific. Though, I note that the only response to this message, back in September 2021, was to ask if these data are accurate and available for unrestricted use. And the question was not answered. So, at the risk of being a pain - is it OK to use this source to add addr:postcode tags to OSM? Is there a page on the wiki (or elsewhere) where permission is recorded? --- https://hdyc.neis-one.org/?spiregrain [email protected] On Fri, 17 Oct 2025, at 14:50, Adrian via Talk-GB wrote: > It may be worth reminding people that an NSUL postcode overlay is > available. The details are here > https://lists.openstreetmap.org/pipermail/talk-gb/2021-September/027693.html > . If an address is in OSM, in most cases the overlay will allow you to > assign the correct postcode. It is not in the list of layers available > in JOSM or iD but you can add it manually. > > The overlay has not been updated. If you want something more recent, > you could look at > https://blue.subbasis.net/postcodes/postcodes-2025-03.gpkg.xz which was > created by JB_Robertson. It needs QGIS (FOSS) to open it, which is not > so convenient. It is also a bit cumbersome because QGIS is a large > download and the file itself is large. It works differently because > JB_Robertson has drawn areas around each postcode. You click in the > area to see what the postcode is. Occasionally areas overlap and you > need to click in several places to see what the postcodes are. > > You can also now find up-to-date postcodes for individual properties on > Robert Whittaker's website https://osm.mathmos.net/addresses/uprn/ > (beta). > > Adrian > > _______________________________________________ > Talk-GB mailing list > [email protected] > https://lists.openstreetmap.org/listinfo/talk-gb _______________________________________________ Talk-GB mailing list [email protected] https://lists.openstreetmap.org/listinfo/talk-gb
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