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Post Hoc — Analysing UK OSM Postbox Data

OpenStreetMap records the location of postboxes using the amenity=post_box tag. 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. For further information, please see the Technical Details page.

Postbox Summary Statistics

Source Boxes Percent Updated
Royal Mail list 115485   2013‑11‑11
OSM 67010 58.0% 2018‑11‑09
OSM (matched refs) 51062 44.2% 2018‑11‑09

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
Functionality has now moved to the new Post Office Progress Tool.

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:

General Post Office Reports

These reports have now moved to the Post Office Tools page.

Post Box League Tables

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

# District Updates
1. LS25 31
2. LS17 25
3. CB8 16
4. CR4 14
5. SG2 10
6. S6 9
7. BD19 6
# Username Updates %Ref'd
1. JonS 57 100%
2. Yorvik Prestigitator 56 77%
3. caranteth 18 100%
4. Laverock 16 100%
5. John Stanworth 15 93%
6. fitzsimons 12 83%
7. Robert Whittaker 10 100%

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

# District Updates
1. CB11 46
2. LS25 31
3. CB8 27
4. LS17 25
5. S6 22
6. TR27 20
7. SM7 20
8. PR7 19
9. S36 16
10. CR4 14
11. S8 14
12. S35 11
13. S5 11
14. S11 11
# Username Updates %Ref'd
1. John Stanworth 162 98%
2. Yorvik Prestigitator 121 86%
3. Laverock 78 100%
4. JonS 58 100%
5. fitzsimons 55 96%
6. caranteth 54 100%
7. shirokazan 29 100%
8. Robert Whittaker 23 91%
9. robbieonsea 16 100%
10. alpman 14 93%
11. murble 14 100%
12. TonyS999 13 100%
13. dzidek23 11 0%
14. adventure1 10 80%

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