[Talk-GB] [Talk-scotland] Tagging of roads with adjacent named terraces

[Stephen Colebourne]

I've started an examples section on the wiki.

Please can I encourage the addition of more examples!

Stephen



Stephen


On Mon, 9 May 2022 at 11:32, Mark Goodge <mark at good-stuff.co.uk> wrote:
>
>
>
> On 09/05/2022 10:37, Michael Booth wrote:
> > I noticed someone raised a note about a similar problem further along
> > the road at Abbeyhill Colonies, so I opened an issue on Nominatim's
> > github: https://github.com/osm-search/Nominatim/issues/2051 Sarah says
> > the OSM tagging is wrong a name:left/right shouldn't be used and
> > addr:place should be used instead.
>
> The problem with addr:place is that it isn't intuitively supported by
> the most common OSM editors. And, in normal English usage, "place" tends
> to be a synonym for a locality rather than a building, so, again, the
> average mapper isn't likely to consider using it in that context.
>
> Postal addresses are complicated because, in the UK, there is a defined
> structure for them, but that structure is proprietary to Royal Mail and,
> in any case, doesn't easily fit with the standard OSM addr:* tags. But
> there is also a widely accepted convention that "Street address" means
> much the same thing as "first line of the address" in the majority of
> cases where a property is accessed directly from the outside (ie, is not
> a sub-unit of a larger property which neds to be entered first).
>
> A consequence of that, though, is that people in the UK are used to
> using "Street address" for things which are not, physically, streets.
> The "street address" of a named terrace, or colony, for example, is
> generally accepted to be the name of the terrace or colony rather than
> the adjacent highway (even more so for a colony, actually, where the
> adjacent highway has no name).
>
> > As for parentstreet, having tried to follow all the addressing
> > discussions a few months ago I'm still not sure of its definition or
> > where it should be used.
>
> addr:parentstreet should be used where there are two different street
> level address lines in the same postal address. To give a real life
> example of an actual postal address, this one near where I live:
>
> 1 Rightons Court
> High Street
> EVESHAM
> WR11 4DD
>
> In this case, it should be tagged as
>
> addr:housenumber=1
> addr:street=Rightons Court
> addr:parentstreet=High Street
> addr:city=Evesham
> addr:postcode=WR11 4DD
>
> This is different to the way that Royal Mail do it - they would call
> High Street the "thoroughfare" (aka street) and Rightons Court the
> "Dependent Thoroughfare" (aka substreet). But a fairly lengthy
> discussion on this list concluded (rightly, in my opinion) that
> substreet/street is less intuitive and more likely to generate errors,
> than street/parent_street.
>
> The key reason for that is that a fully functional postal address in the
> UK can almost always be formed simply by taking the lowest level street
> address line, the post town and the postcode. In this case, if someone
> omits "High Street" from the address, post will still get there and the
> address can easily be found by someone looking for it. But they omit
> "Rightons Court", then you end up with "1 High Street", which is a
> different place entirely.
>
> > People seemed to be suggesting it should be used for a street coming off
> > another street, but surely you just use the actual street name instead
> > of adding another one? (otherwise where do you stop!) I see it has been
> > used here off Easter Road -
> > https://www.openstreetmap.org/node/9423069429/history - but is it really
> > necessary to have a parentstreet here?
>
> In this case, no, because Easter Road doesn't actually appear anywhere
> in the actual postal address. addr:* tags should be simply the postal
> address, not the geographical address.
>
> As a rule of thumb, when tagging postal addresses in the UK, then,
> unless there is good reason otherwise, then:
>
> addr:street = the street (or, where appropriate, terrace or colony)
> named in the first line of the address
>
> addr:city = the post town (even if it's not a city!)
>
> addr:postcode = the postcode
>
> and then, in between addr:street and addr:city, any other tags necessary
> to complete the postal address. That may include an addr:parentstreet
> for locations such as the one above, and/or an addr:suburb (or other
> appropriate tag) where the postal address contains an additional
> settlement name between the street address and the post town.
>
> There's a fairl good summary of that on the wiki:
>
> https://wiki.openstreetmap.org/wiki/Addresses_in_the_United_Kingdom#addr:substreet,_addr:street_&_addr:parentstreet
>
> This also explains the reasoning behind the current consensus on using
> addr:street/parentstreet.
>
> Mark
>
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