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Post Hoc — Analysing UK OSM Postbox and Post Office Data

OpenStreetMap records the location of postboxes and Post Offices using the tags amenity=post_box and amenity=post_office respectively. The Post Hoc tool provides statistics, reports and maps to compare the data in OpenStreetMap with data from Royal Mail and from Matthew Somerville's former 'Locating Postboxes' webapp. The Royal Mail Post Box data comes an FOI request. The post box list originally came from the list of Post Office locations compiled by Edward Betts from Royal Mail's Post Office Branch Finder. For further information, please see the Technical Details page.

Postbox Summary Statistics

Source Boxes Percent Updated
Royal Mail list 115485   2013‑11‑11
OSM 48994 42.4% 2015‑03‑02
OSM (matched refs) 31257 27.1% 2015‑03‑02
Dracos 58831 50.9% 2015‑02‑23

Post Office Summary Statistics

Source Branches Percent Updated
Post Office List 11721   -
OSM 8132 69.4% 2015‑03‑03
OSM (matched) 7146 61.0% 2015‑03‑03

General Postbox Reports

OSM Reference Issues
Results of various checks on the values in 'ref' fields of post box nodes on OpenStreetMap.
OSM Collection Times Issues
Postboxes with possible errors in the collection_times key.
OSM Royal Cypher Issues
Postboxes with possible errors in the royal_cypher key.
OSM Box Type Report
Report on usage of tags to describe box types.
OSM Operator Report
Report on usage of tags to describe the operator of the box.
OSM Tag Keys Report
List of all keys used on post box nodes, ordered by number of occurrences.
OSM Tag Lists
Various reports listing postboxes with specific tags defined:
Too Far Apart
List of box references found in both OSM and Dracos data, with positions that differ by a significant amount.

General Post Office Reports

OSM Post Office Suspicious Names Report
Lists nodes and ways tagged with amenity=post_office, with a name=* tag that indicates they might not be a Post Office after all.
OSM Post Office Tag Keys Report
List of all keys used on post box nodes, ordered by number of occurrences.
OSM Tag Lists
Various reports listing Post Offices with specific tags defined:

Local maps showing potential issues to survey

Generate a map showing possible issues with OSM postbox or post office data in a limited area. The area will be centred on the postcode entered, but may cover more or less than that postcode region. The data is fixed from the initial postcode, and so won't be reloaded as you move around the map, but if you click the 'permalink' the refreshed map will show data centred on the current location. Once on the map, you can also obtain a GPX file of the postbox issues for download, which may be useful to those wanting to survey the problems.

Enter first half of postcode:

New: OSM Postbox Progress by Postcode Area

Post Box League Tables

Top postal districts and users by updates to post box nodes in last 7 days.

# District Updates
1. CA7 29
2. CA28 21
3. CA15 20
4. CA5 9
5. CA13 8
6. RH12 8
7. NG3 7
# Username Updates %Ref'd
1. MapperIAm 91 98%
2. caranteth 33 100%
3. Robert Whittaker 28 46%
4. will_p 15 100%
5. fitzsimons 14 100%
6. PeterMzizi 8 0%
7. Pink Duck 6 67%

Top postal districts and users by updates to post box nodes in last 28 days.

# District Updates
1. CA7 76
2. CA13 42
3. NG16 27
4. CA15 27
5. CA28 23
6. CA17 22
7. NG3 18
8. EH10 13
9. CA5 12
10. CA12 10
11. DT4 9
12. RH12 8
13. CA25 7
14. KT16 6
# Username Updates %Ref'd
1. MapperIAm 140 98%
2. Jethro10 93 97%
3. will_p 64 98%
4. Robert Whittaker 50 62%
5. caranteth 39 97%
6. fitzsimons 24 96%
7. tms13 21 14%
8. ndm 17 82%
9. robbieonsea 17 100%
10. alpman 15 100%
11. eric_ 15 100%
12. mcld 12 92%
13. Pink Duck 8 75%
14. Jonga 8 88%