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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 50279 43.5% 2015‑04‑21
OSM (matched refs) 32684 28.3% 2015‑04‑21
Dracos 59721 51.7% 2015‑04‑20

Post Office Summary Statistics

Source Branches Percent Updated
Post Office List 11721   -
OSM 8167 69.7% 2015‑04‑21
OSM (matched) 7190 61.3% 2015‑04‑21

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. PO6 23
2. PO7 22
3. MK18 19
4. NG5 18
5. CA16 16
6. MK19 16
7. PO8 14
# Username Updates %Ref'd
1. Robert Whittaker 134 93%
2. MapperIAm 86 83%
3. manof25 68 97%
4. shirokazan 42 100%
5. tms13 30 23%
6. robbieonsea 29 97%
7. brianboru 23 78%

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

# District Updates
1. NG5 52
2. HP4 36
3. FY5 34
4. CA4 31
5. MK18 31
6. ME7 30
7. ME5 29
8. CA11 26
9. FY2 26
10. PO6 24
11. ME8 24
12. CA5 23
13. PO7 22
14. CA10 20
# Username Updates %Ref'd
1. MapperIAm 199 90%
2. Robert Whittaker 179 92%
3. will_p 137 100%
4. shirokazan 118 100%
5. paulbiv 107 99%
6. fitzsimons 83 96%
7. Jethro10 74 99%
8. quaffer_rick 70 99%
9. manof25 69 97%
10. robbieonsea 43 84%
11. caranteth 43 100%
12. PmaiIkeey 38 79%
13. tms13 35 20%
14. brianboru 29 83%

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