The tricky thing about that layer is that postcodes often change at random places on a road and it's difficult to work that out with only a postcode centroid.
On Fri, 17 Oct 2025, 14:55 Adrian via Talk-GB, <[email protected]> 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 >
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