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OSM Postcode Mapping for W1A 2 Postal Sector

The circles on the map above are the postcode unit 'centriods' from Code-Point Open, under the Open Government Licence. The 'centriod' is calculated by taking the average of the coordinates of all the delivery points with that postcode, and then snapping that location to the nearest delivery point in that postcode. The data may be freely used in OpenStreetMap, but please make sure you understand it first. Also please only add postcodes to objects representing addressable entities; do not add the postcode centroids as themslves. Suggested source tag code-point_open

The circles are 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 centroids are the location of the nearest 'delivery point' to the arithmetic mean of the coordinates of all the delivery points within that unit. Those points with a codepoint PQI greater than 40 are excluded from 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 %
W1A 2 21 2 2 100.0%

All units within this sector:

Unit PQI First Seen Last Seen Street Name ML Mapped
W1A 2AA 10 New Bond Street 755 1
W1A 2AD 10 755 0
W1A 2AG 10 755 0
W1A 2AH 10 2015‑10 2 0
W1A 2AL 10 755 0
W1A 2AR 10 0
W1A 2AT 10 2017‑04 755 0
W1A 2AW 10 2015‑10 2 0
W1A 2AX 10 2019‑04 755 0
W1A 2BB 10 2020‑12 755 0
W1A 2BF 10 2013‑07 0
W1A 2BJ 10 2013‑07 0
W1A 2BL 10 2019‑01 755 0
W1A 2BQ 10 2019‑01 755 0
W1A 2BX 10 2015‑10 2 0
W1A 2DG 10 755 0
W1A 2DR 10 2019‑01 755 0
W1A 2DW 10 2013‑07 0
W1A 2EA 10 755 0
W1A 2EE 10 0
W1A 2EP 10 2013‑07 0
W1A 2ES 10 0
W1A 2EU 10 755 0
W1A 2GA 10 2019‑01 755 0
W1A 2GE 10 2015‑10 2 0
W1A 2GG 10 0
W1A 2GL 10 755 0
W1A 2GX 10 2013‑07 0
W1A 2GY 10 2019‑01 755 0
W1A 2HG 10 2013‑07 0
W1A 2HH 10 2013‑07 0
W1A 2HJ 10 755 0
W1A 2HL 10 755 0
W1A 2HN 10 2015‑10 2 0
W1A 2HQ 10 0
W1A 2HS 10 0
W1A 2HT 10 2018‑01 755 0
W1A 2HW 10 755 0
W1A 2JA 10 2019‑01 755 0
W1A 2JB 10 0
W1A 2JP 10 2019‑01 755 0
W1A 2JQ 10 Mayfair 755 0
W1A 2JS 10 755 0
W1A 2JY 10 755 0
W1A 2JZ 10 755 0
W1A 2LA 10 755 0
W1A 2LF 10 0
W1A 2LQ 10 Grosvenor Square 755 1
W1A 2LR 10 2019‑01 755 0
W1A 2LW 10 0
W1A 2LX 10 0
W1A 2NF 10 0
W1A 2NG 10 0
W1A 2PE 10 2015‑10 2 0
W1A 2PL 10 0
W1A 2PP 10 2018‑10 755 0
W1A 2QB 10 2019‑01 755 0
W1A 2QY 10 2019‑01 755 0
W1A 2RF 10 2019‑01 755 0
W1A 2RR 10 2017‑10 755 0
W1A 2RU 10 2016‑10 755 0
W1A 2SE 10 2013‑07 0
W1A 2SH 10 2013‑07 0
W1A 2SR 10 2019‑01 755 0
W1A 2SZ 10 2019‑01 755 0
W1A 2TG 10 0
W1A 2TJ 10 2019‑01 755 0
W1A 2TY 10 2019‑12 755 0
W1A 2TZ 10 2019‑01 755 0
W1A 2UY 10 2019‑01 755 0
W1A 2UZ 10 755 0
W1A 2WA 10 2013‑07 0
W1A 2WB 10 2019‑01 755 0
W1A 2WU 10 2019‑01 755 0
W1A 2XF 10 2017‑01 755 0
W1A 2XU 10 755 0
W1A 2YU 10 755 0
W1A 2YW 10 2020‑12 755 0
W1A 2YZ 10 2019‑01 755 0
W1A 2ZH 10 2019‑01 755 0
W1A 2ZP 10 755 0
W1A 2ZQ 10 2019‑01 755 0
W1A 2ZR 10 2019‑01 755 0

Units with street mismatches in this sector:

No mismatches found in this sector.

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.