[Talk-GB] OSM UK address project: tags

[Tony Shield]

Agree with Mark here, I think we need enough information to personally 
travel somewhere and find the house (etc) we want.

Somewhere I've recently tried to map -

2 Mill Row
Station Road
Croston
Leyland
PR26 9HZ

That is from Royal Mail, but the village of Croston is in Chorley 
(addr:city) Borough Council (and always has been), Leyland is in South 
Ribble Borough Council -  so that is a construct for Royal Mail; it 
follows that a more complex database query is required to identify the 
administrative town.

2 Mill Row - not sure

Station Road - addr:street

Croston - addr:place but that is illegal - so addr:?? it is a village 
and Civil Parish.

Leyland - addr:city but should really be addr:post_town

PR26 9HZ - I know that one - addr:postcode

So I would be happy for a distinction between admin and postal address 
towns.

Digression - Using the Royal Mail address finder gave me that address - 
however RM offer a "See this address on a map" feature which  offers an 
OSM rendering with a centroid location between 50-400 metres North of 
the true location and in a different street. (DUH!)

There is even a distinction in law of addresses being capable of 
personal delivery - at least for HM Land Registry.

https://www.gov.uk/government/publications/directions-under-the-land-registration-act-2002/direction-1-addresses-for-hm-land-registry-for-the-receipt-of-applications-and-correspondence

Oh the arcane journey of highways and byways .....

Tony Shield

On 22/12/2021 18:59, Mark Goodge wrote:
>
>
> On 22/12/2021 18:41, Simon Poole wrote:
>>
>> Am 22.12.2021 um 15:57 schrieb Mark Goodge:
>>> ...
>>> place=city doesn't belong in the tags for a specific node or way 
>>> (eg, a house or other building, though). That's a tag applied to the 
>>> settlement itself.
>>>
>> After I've already pointed out multiple times that the "city" in 
>> addr:city has nothing to do with the "city" in place=city 
>
> That's my point, though. Using the same term to mean completely 
> different things in different contexts is bad design.
>> the addr Tags are part of a hierarchical tagging scheme, assigning 
>> them semantics outside of their place in the hierarchy and their 
>> definition in the wiki is nonsense (I suspect that historically the 
>> tag names were derived from your typical preprinted address label but 
>> that just doesn't matter). If it makes you feel more comfortable  
>> I'll start a proposal to rename addr:city to 
>> addr:this_is_whatever_you_locally_use_for_postal_town, but that would 
>> be silly because it wouldn't change the semantics.
>
> What I'd like to do is use addr:town and addr:city for geographic 
> addresses in towns and cities, and supplement (not replace) them with 
> addr:post_town for postal addresses where the post town is different 
> to the name of the actual town or city.
>
>> As Tom has pointed out there are differences between postal addresses 
>> and informal addresses that we don't really capture well in OSM if 
>> you don't have a full complement of administrative boundaries and 
>> potential place areas for non-admin localities, but at least 
>> addr:housenumber / addr:housename and addr:street / addr:place are 
>> useful to gather in any case. It would however be a good idea to be 
>> clear on -what- the UK community is intending to collect.
>
> I do think we need to be clear on whether we are trying to capture 
> postal addresses, or descriptive (geographic) addresses. In a lot of 
> cases those will be the same, but not always. And it's not clear in 
> the wiki whether the addr tag is intended to be used for postal or 
> descriptive addresses.
>
> Mark
>
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