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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 51923 45.0% 2015‑06‑29
OSM (matched refs) 34473 29.9% 2015‑06‑29
Dracos 60651 52.5% 2015‑06‑26

Post Office Summary Statistics

Source Branches Percent Updated
Post Office List 11721   -
OSM 8261 70.5% 2015‑06‑29
OSM (matched) 7296 62.2% 2015‑06‑29

New: View history graphs.

Local maps showing potential issues to survey

OSM Post Box Progress
View the progress of mapping all post boxes by postal area and then district. At district level a map shows a comparison between official location data from Royal Mail and current OSM data. Discrepencies are highlighted for ground surveys. Note that the official locations are © Royal Mail, and we do not have permission to use them in OSM.
Local Post Box Comparison
Enter a postal district (first half of a postcode) in the box below to view a comparison between an official Post Box list and the current OSM data. Discrepencies are highlighted for ground surveys, and a GPX file can be exported. Note that the official locations are © Royal Mail, and we do not have permission to use them in OSM.
Postal district:
Local Post Office Comparison
Enter a postal district (first half of a postcode) in the box below to view a comparison between an official Post Office list and the current OSM data. Discrepencies are highlighted for ground surveys, and a GPX file can be exported. Note that the official locations are © Post Office, and we do not have permission to use them in OSM.
Postal district:

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 Opening Hours Issues
Lists nodes and ways tagged with amenity=post_office, with a non-standard opening_hours=* tag.
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:

Post Box League Tables

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

# District Updates
1. KY16 22
2. GL12 20
3. NR11 15
4. GU10 6
5. BS10 5
6. BS37 5
7. BH20 4
# Username Updates %Ref'd
1. southglos 32 97%
2. Pink Duck 26 100%
3. Hobgoblin 25 96%
4. ndm 17 94%
5. robbieonsea 14 100%
6. peter_james 10 20%
7. Yorvik Prestigitator 10 50%

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

# District Updates
1. NR31 37
2. KY7 30
3. MK42 28
4. BR3 26
5. GL12 25
6. KY16 22
7. ME2 20
8. B92 17
9. GU9 17
10. YO26 16
11. NR11 15
12. BR2 15
13. YO24 15
14. LA9 15
# Username Updates %Ref'd
1. shirokazan 85 100%
2. Robert Whittaker 78 99%
3. MapperIAm 76 95%
4. ndm 74 93%
5. Pink Duck 73 96%
6. Yorvik Prestigitator 66 79%
7. tms13 60 80%
8. robbieonsea 60 98%
9. brianboru 58 84%
10. MickO 48 100%
11. southglos 39 95%
12. quaffer_rick 32 97%
13. Hobgoblin 31 97%
14. will_p 30 97%

Data derived from OpenStreetMap data, © OpenStreetMap Contributors, licensed under Open Data Commons Open Database License (ODbL). XAPI courtesy of Overpass API.