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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. The Royal Mail Post Box data comes an FOI request. For further information, please see the Technical Details page.

Summary Statistics

Source Boxes Percent Updated
Royal Mail list 115485   2013‑11‑11
OSM 76530 66.3% 2021‑07‑29
OSM (matched refs) 62268 53.9% 2021‑07‑29

View history graphs.

Progress Maps and Comparison Reports

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.
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:

Post Box League Tables

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

# District Updates
1. TQ13 24
2. IP13 19
3. WF1 15
4. TQ10 13
5. FK8 12
6. BT1 11
7. SE1 11
# Username Updates %Ref'd
1. AntV 57 98%
2. VictorIE 33 88%
3. PooledResources 19 100%
4. srbrook 19 100%
5. St Mary Clay 19 100%
6. fiadh eile 18 100%
7. LukeTheMapper 16 100%

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

# District Updates
1. TQ13 85
2. TQ12 36
3. CW12 29
4. DT2 25
5. BR6 20
6. KT21 19
7. IP13 19
8. KT2 19
9. TQ10 17
10. SE23 17
11. N10 17
12. NN3 17
13. KT18 16
14. WF1 15
# Username Updates %Ref'd
1. AntV 219 92%
2. Yorvik Prestigitator 145 66%
3. JodaStephen 95 100%
4. Friendly_Ghost 65 66%
5. St Mary Clay 58 100%
6. WaltherPPK 39 100%
7. jjacobs11 36 100%
8. Djminisite 35 91%
9. VictorIE 35 86%
10. sjorford 34 100%
11. Alex Willmer 31 100%
12. Paper 30 100%
13. srbrook 30 100%
14. stick2 27 70%

Copyright Warning: There is no permission from Royal Mail to use the box locations and reference numbers in their data in OpenStreetMap. So the data may not be used directly. However, you may find the comparisons helpful in suggesting places you would like to survey in the hope of finding missing post boxes to add.

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