Philip has been doing this for quite a while (see toot of mine in the Spring https://en.osm.town/@SK53/114987082927846337).
I think Owen Boswarva has expressed doubts as to whether the NSUL dataset from ONS is truly open data (notwithstanding the OGL licence). IIRC this is because it is not clear how the association of UPRN to postcode is constructed, and a risk that this involves use of non-open data. In the past I've created simple data lookups associating OSM ways with UPRNs in a similar way, but have not added most UPRNs to OSM. However, I do use the data to check postcodes when I'm not sure exactly where they change (usually on Mark Goodge's uprn.uk site). Jerry On Wed, 15 Oct 2025, 10:01 Ken Kilfedder, <[email protected]> wrote: > See below message on a changeset. User philipcullen has been bulk adding > UPRNs to properties in East London (and possibly beyond). He has also > added quite a few postcodes in 173286472 > <https://www.openstreetmap.org/changeset/173286472>. > > I had assumed that there was no valid source for this type of en mass > building-by-building postcode import. Is the approach outlined in the > changeset comment valid? > > (If so, yippee!) > > --- > Ken Kilfedder > [email protected] > > ----- Original message ----- > From: OpenStreetMap <[email protected]> > Subject: [OpenStreetMap] philipcullen has commented on a changeset you are > interested in > Date: Tuesday, 14 October 2025 20:32 > > > [image: OpenStreetMap] <https://www.openstreetmap.org/> > *OpenStreetMap* <https://www.openstreetmap.org/> > > Hi spiregrain, > > *philipcullen* <https://www.openstreetmap.org/user/philipcullen> left a > comment at 2025-10-14 19:32:02 UTC on a changeset you are watching created > by philipcullen with comment '*Add UPRNs and address details in London*' > [image: philipcullen] <https://www.openstreetmap.org/user/philipcullen> > > Hi, they're sourced from the ONS Open Data and OS Open Data (with > additional safety checks, and manual adjustments). The OS data allows a > UPRN to be found in areas with well aligned buildings, and the ONS data > then provides a postcode for these. Both are licensed under the Open > Government Licence (OGL). > > Reply or learn more about the changeset at > https://www.openstreetmap.org/changeset/173286472. > > You can unsubscribe from updates to this changeset at > https://www.openstreetmap.org/changeset/173286472/subscription. > > OpenStreetMap <https://www.openstreetmap.org/> > > _______________________________________________ > Talk-GB mailing list > [email protected] > https://lists.openstreetmap.org/listinfo/talk-gb >
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