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OSM Postcode Mapping for WC1R 4 Postal Sector

The circles on the map above are the postcode unit 'centriods' from Code-Point Open, coloured by whether or not there is at least one OSM object with that value in its addr:postcode tag. Click on a point to see the postcode. The numbers in brackets are the number of OSM objects with that postcode. The data may be freely used in OpenStreetMap, with the suggested source tag code-point_open

The centroids are the location of the nearest 'delivery point' to the arithmetic mean of the coordinates of all the delivery points within that unit. Only those points with a codepoint PQI less than or equal to 40 are show in the map above. (Higher values are typically not geographically accurate. In particular, PQI=50 is used for new postcodes before the location has been determined. The location given for such postcodes seems to be derived from other existing postcodes with similar units letters, which may not be close to the new postcode.)

The pale blue lines from the circles join each Code-Point Open centroid to the mean coordiantes of all the OSM objects with that postcode. (For ways an relations, the centre of the rectangular bounding box is used at the coordinates for the OSM object.) Long lines may indicate missing or incorrect OSM objects for that postcode. In particular, if all the postcodes in a givne unit are correctly mapped, the circle should be located on the nearest delivery point within that postcode to the other end of the blue line.

The OSM data for the number of objects with each unit is usually updated once a day at about 10:15 UTC, with data from about 20:30 UTC the previous day. The data used to compute the OSM mean position is updated less frequently, usually about once a week.

District Sector Units Geo. Units Mapped %
WC1R 4 58 58 8 13.8%

All units within this sector:

Unit Street Name PQI ML Mapped
WC1R 4AB 10 0
WC1R 4AG 10 0
WC1R 4AJ 10 0
WC1R 4AP 10 0
WC1R 4AQ 10 0
WC1R 4AT 10 0
WC1R 4AX Princeton Street 10 1
WC1R 4AY 10 0
WC1R 4AZ 10 2 0
WC1R 4BB 10 0
WC1R 4BD 10 0
WC1R 4BE 10 0
WC1R 4BG 10 0
WC1R 4BH 10 0
WC1R 4BN 10 0
WC1R 4BS 10 0
WC1R 4BU 10 2 0
WC1R 4BW 10 0
WC1R 4BX 10 0
WC1R 4BZ 10 0
WC1R 4EB 10 0
WC1R 4ED 10 0
WC1R 4EE 10 2 0
WC1R 4EF 10 2 0
WC1R 4EH 10 0
WC1R 4EQ 10 0
WC1R 4FS 10 0
WC1R 4HD 10 0
WC1R 4HE 10 0
WC1R 4HQ Red Lion Square 10 1
WC1R 4JH 10 0
WC1R 4LL 10 0
WC1R 4LP 10 0
WC1R 4LR 10 0
WC1R 4NA 10 0
WC1R 4NY 10 0
WC1R 4PA 10 0
WC1R 4PD Red Lion Street 10 2
WC1R 4PF Red Lion Street 10 4
WC1R 4PN Red Lion Street 10 1
WC1R 4PS Red Lion Street 10 4
WC1R 4PZ 10 0
WC1R 4QF 10 0
WC1R 4QG 10 0
WC1R 4QH 10 0
WC1R 4QR 10 0
WC1R 4QT 10 0
WC1R 4RA 10 0
WC1R 4RB 10 0
WC1R 4RE 10 0
WC1R 4RG 10 0
WC1R 4RH 10 0
WC1R 4RL Red Lion Square 10 1
WC1R 4SE 10 0
WC1R 4SG 10 0
WC1R 4TF Bedford Row 10 1
WC1R 4TH 10 0
WC1R 4TQ 10 0

Units with street mismatches in this sector:

Unit Mapped Dominant Street OSM Object Tagged Street
WC1R 4PF 4 Red␣Lion␣Street n647873586
Data derived from OpenStreetMap data, © OpenStreetMap Contributors, licensed under Open Data Commons Open Database License (ODbL). Data derived in part using Code-Point Open under the Open Government Licence v3; Contains OS data © Crown copyright and database right 2020; Contains Royal Mail data © Royal Mail copyright and Database right 2016; Contains National Statistics data © Crown copyright and database right 2020.