[Talk-GB] Tagging post towns and other addressing issues in the UK

Andrzej ndrw6 at redhazel.co.uk
Sun Jan 27 22:31:18 UTC 2019

At low level (commercial areas, academic campuses, hospitals) that's not really the case. They are not as formalised as admin areas.

Best wishes,

On 28 January 2019 05:46:23 GMT+08:00, Gareth L <o.i at live.co.uk> wrote:
>I’d hope these would inherit from whatever the address is enclosed in.
>On 27 Jan 2019, at 21:22, Colin Smale
><colin.smale at xs4all.nl<mailto:colin.smale at xs4all.nl>> wrote:
>Assuming the post code is seen in OSM as a way of addressing post (as
>opposed to a geographic subdivision or an indication of location) then
>I suggest following Royal Mail's address structure, which can be seen
>in the description of the Postcode Address File on Wikipedia [1]. If we
>cannot map a full-format address onto OSM tags, we need a description
>of how to deal with this (i.e. which bits to leave out or combine).
>I have taken the table from wikipedia and added a column for the OSM
>tags where known. Most of these fields are actually optional, or not
>always present, depending on the exact address in question.
>How do we fill in the blanks?
>Element Field name      Description     Max length      OSM
>Organisation    Organisation Name               60      n/a
>Department Name         60      n/a
>Premises        Sub Building Name               30
>Building Name           50      addr:housename
>Building Number         4       addr:housenumber
>Thoroughfare    Dependent Thoroughfare Name             60
>Dependent Thoroughfare Descriptor               20
>Thoroughfare Name       Street  60      addr:street
>Thoroughfare Descriptor         20
>Locality        Double Dependent Locality       Small villages  35
>Dependent Locality              35
>Post town               30      addr:city
>Postcode        Postcode                7       addr:postcode
>PO Box  PO Box          6
>[1] https://en.wikipedia.org/wiki/Postcode_Address_File
>On 2019-01-27 21:40, Andrzej wrote:
>When working on post codes in East Anglia I realised the current
>address tagging scheme is insufficient for even fairly basic scenarios.
>I have already discussed the issues with some of the most experienced
>mappers and like to bring these issues to your attention. Robert has
>summarised his ideas in
>The bottom line is, I would like to be tag commonly used addresses
>without losing information and without resorting to addr:full.
>1. Post towns (most pressing one because there is a lot of confusion
>around it). The UK is fairly unique in that not every town is a post
>town. This makes it impossible to tag e.g. Station Road, Histon,
>Cambridge CB24 9LF.
>Wiki recommends addr:city to be used for tagging post towns (Cambridge)
>but then how do we tag Histon?
>- Robert recommends sticking to the current meaning of addr:city and
>using addr:town and addr:village for town and village names, which,
>although not in wiki, are already being used in the UK. I like this
>solution because it is very explicit in what each addr: key means and
>it doesn't redefine addr:city.
>- SK53 prefers using addr:city for everything (towns, even villages)
>and either not tagging post towns (they can be seen as a an internal
>detail of a closed Royal Mail database) or using a new tag for it, like
>addr:post_town. It is a simple solution, results in Histon being called
>Histon and not Cambridge (without introducing new tags for town and
>village names) and is commonly used. It is also a bit confusing (what
>exactly is a city?) and I think we we should at least support tagging
>post towns.
>Key questions:
>a) addr:city for post towns or towns and villages?
>b) how to rag remaining information (respectively, towns and villages
>or post towns,)
>2. Tagging addresses within campuses, business parks etc. There is
>addr:place but it is supposed to be used instead of addr:street. Again,
>Robert has a fairly decent proposal for that using addr:place or
>addr:locality and addr:parentstreet. Please comment.
>2a. should buildings in campuses be tagged with
>addr:buildingnumber/name or addr:unit? I would prefer
>buildingname/number (as they are often subdivided) but these seem to be
>associated with addr:street.
>3. Similar to (2) but for buildings. Tagging buildings that have e.g. a
>single name but multiple house numbers?
>Best regards,
>Talk-GB mailing list
>Talk-GB at openstreetmap.org<mailto:Talk-GB at openstreetmap.org>
>Talk-GB mailing list
>Talk-GB at openstreetmap.org<mailto:Talk-GB at openstreetmap.org>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.openstreetmap.org/pipermail/talk-gb/attachments/20190128/09eedfa9/attachment.html>

More information about the Talk-GB mailing list