[Talk-GB] OSM UK address project: tags

[Tom Crocker]

Thanks for putting that list together Robert. Rob, I've mixed a reply to
you into this.

On Thu, 23 Dec 2021, 13:29 Robert Whittaker (OSM lists), <
robert.whittaker+osm at gmail.com> wrote:

> <snip>
> Fundamental Address Tenets:
>

I broadly agree. At least, we need to be clear what the scope/uses are. It
seems clear that at least one of 1.4 and 1.5 (UK-specific tags, redefining
tags) can't hold and in that case I wouldn't assume missing only one was
better than both.

To make things easier for both Data Users and Mappers:
>

We probably can have a stable hierarchical list so probably should. An
alternative might be an addr:order tag but I don't think we need to go
there.

2.3/ Ideally, the arrangement of the tag values on an envelope (...)
> should be universal, ....
>

perhaps but that's already not the case.

I would add that ideally we shouldn't redefine or add tags in ways that
break existing software without buy-in from their developers. Therefore
it's great having Sarah and Simon's involvement; it would be good if we
could involve others rather than trying to guess what would be easiest to
change.

We seem to have 3 options for addresses with two things between name/number
and locality:
a:
    housenumber street/place
    parentstreet
b:
    housenumber substreet/[others such as terrace]
    street
c:
    housenumber substreet/[others such as terrace]
    parentstreet

The problem with a is the redefinition of street/place. The first problem
with b and c are the addition of one or more new elements to the top line.
Another problem with b is moving street down a line. Another problem with c
is the absence of street/place, leading to guessing. There may be others!

Are there any situations where this [see Robert's post] wouldn't work?
>

As above, when the street/place doesn't fit the existing definition,
especially if needing named houses (i.e you wouldn't want to put the
terrace name as a house name and then the house name as a unit).
Also, you don't necessarily need housename/number if you have a unit, as is
often the case on industrial estates, unless housename/number should be
used here.

Happy holidays

Tom
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