Well, in regards to Nominatim, from the horses mouth, so to speak:

 

<ThorstenEn>  
<https://nominatim.openstreetmap.org/ui/details.html?osmtype=W&osmid=1024067995&class=building>
 
https://nominatim.openstreetmap.org/ui/details.html?osmtype=W&osmid=1024067995&class=building
 

<ThorstenEn> why is the addr:unit being ignored here?

<lonvia> Because it always is.

<ThorstenEn> what is the reasoning for ignoring unit?

<lonvia> Nobody has implemented it yet.

<ThorstenEn> hm, I would have thought that's a pretty common case

<simonpoole> ~1% maybe

<ThorstenEn> 1% of all adresses is a pretty large absolute number

<lonvia> Not common enough that anybody was willing to spend time and/or money.

<simonpoole> together with addr:flats a bit more, but in total just 2 million

<simonpoole> naturally there's probably a negative feedback loop there

 

Cheers,

Thorsten

 

From: Dian Ågesson <[email protected]> 
Sent: Saturday, 29 January 2022 20:30
To: Andrew Harvey <[email protected]>
Cc: OSM Australian Talk List <[email protected]>
Subject: Re: [talk-au] Am I using addr:unit correctly?

 

Thanks Andrew,

 

I was having a bit of a crisis of confidence as unit numbers don't seem to 
render as I expected, nor does nominatim seem to know what to do with them. 
https://nominatim.openstreetmap.org/ui/details.html?osmtype=W 
<https://nominatim.openstreetmap.org/ui/details.html?osmtype=W&osmid=1024067995&class=building>
 &osmid=1024067995&class=building

 

Dian

 

On 2022-01-27 10:27, Andrew Harvey wrote:

Your use of addr:unit looks correct here, I don't believe it needs to be 
subdivisions of a single building. You could have villa style townhouses where 
each dwelling is a separate building on a single site, where each building has 
it's own addr:unit and they all share the same addr:housenumber. 

 

We should update the wiki to describe this as a valid scenario.

 

On Thu, 27 Jan 2022 at 10:24, Dian Ågesson <[email protected] 
<mailto:[email protected]> > wrote:

Hello,

I had assumed that the addr:unit tag would be the appropriate place for a unit 
number in a subdivided block (specifically a complex such as this: 
https://www.openstreetmap.org/way/1024067987 
<https://www.openstreetmap.org/way/1024067987#map=17/-38.06484/145.14231> ).

The wiki seems to suggest that the addr:unit is for subdivisions of a single 
building though and doesn't seem to be the right tag?

https://wiki.openstreetmap.org/wiki/Key:addr:unit

Dian

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