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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 61757 53.5% 2017‑04‑22
OSM (matched refs) 45602 39.5% 2017‑04‑22
Dracos 65833 57.0% 2016‑12‑29

Post Office Summary Statistics

Source Branches Percent Updated
Post Office List 11721   -
OSM 8608 73.4% 2017‑04‑22
OSM (matched) 7713 65.8% 2017‑04‑22

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. NN8 15
2. CV8 9
3. SO40 4
4. KY3 3
5. SA32 3
6. CH8 3
7. FK14 3
# Username Updates %Ref'd
1. fitzsimons 19 95%
2. PJD67 15 100%
3. Pink Duck 15 33%
4. Hobgoblin 7 86%
5. Yorvik Prestigitator 6 83%
6. murble 6 17%
7. manof25 6 100%

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

# District Updates
1. NE30 27
2. NN8 15
3. GU28 15
4. CV8 12
5. SO45 11
6. GU29 11
7. EX22 10
8. CV35 10
9. CV36 10
10. CV7 8
11. DD5 7
12. TW15 7
13. AL1 6
14. TW9 6
# Username Updates %Ref'd
1. Yorvik Prestigitator 147 90%
2. fitzsimons 96 98%
3. manof25 47 100%
4. SaltyOne 29 100%
5. Hobgoblin 22 95%
6. Pink Duck 21 33%
7. robbieonsea 18 100%
8. PJD67 16 100%
9. untitled 16 100%
10. alpman 12 100%
11. murble 12 33%
12. Robert Whittaker 11 73%
13. ddixon 10 80%
14. southglos 9 100%

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