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OSM Postcode Mapping for WC1A 2 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 %
WC1A 2 53 52 9 17.3%

All units within this sector:

Unit Street Name PQI ML Mapped
WC1A 2AE 10 0
WC1A 2AH 10 0
WC1A 2AJ 10 0
WC1A 2AL 10 0
WC1A 2BP 10 0
WC1A 2DA Southampton Place 10 1
WC1A 2DB Southampton Place 10 1
WC1A 2EA 10 0
WC1A 2EB 10 6 0
WC1A 2ED 10 0
WC1A 2EP 10 0
WC1A 2HH Little Russell Street 10 2
WC1A 2HL 10 0
WC1A 2HN 10 0
WC1A 2HR 10 0
WC1A 2HS 10 0
WC1A 2JA 10 0
WC1A 2JB 10 0
WC1A 2JD Gilbert Place 10 1
WC1A 2JH Bury Place 10 4 1
WC1A 2JL Bury Place 10 2
WC1A 2JR 10 0
WC1A 2JS 10 0
WC1A 2JU 10 0
WC1A 2JX 10 0
WC1A 2LA 10 0
WC1A 2LD 10 0
WC1A 2LH 10 0
WC1A 2LP 10 0
WC1A 2LS 10 0
WC1A 2NJ 10 0
WC1A 2NS 10 0
WC1A 2PJ Bloomsbury Square 10 1
WC1A 2QA 10 0
WC1A 2QD 10 2 0
WC1A 2QH 10 2 0
WC1A 2QL 10 0
WC1A 2QN 10 0
WC1A 2QP 10 0
WC1A 2QR 10 0
WC1A 2QS 10 2 0
WC1A 2RA Bloomsbury Way 10 2
WC1A 2RJ 10 1
WC1A 2RL 10 0
WC1A 2RN 10 0
WC1A 2RP 10 0
WC1A 2SA 10 0
WC1A 2SD 10 0
WC1A 2SE 10 0
WC1A 2SL 10 0
WC1A 2SN 10 0
WC1A 2TA 10 0
WC1A 2TH 10 0

Units with street mismatches in this sector:

Unit Mapped Dominant Street OSM Object Tagged Street
WC1A 2RA 2 Bloomsbury‚ź£Way w55976264 Bloomsbury‚ź£Square
WC1A 2RJ 1 n3771890824
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.