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OSM Postcode Mapping for WD18 9 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 comes from Taginfo GB. It is usually updated once a day at about 10:15 UTC, with data from about 20:30 UTC the previous day. (Current data is from 1970‑01‑01 00:00:00 Z.) The data used to compute the OSM mean position comes from the Overpass API and is updated less frequently, usually about once a week. (Current data is from 2024‑03‑23 18:50:30 Z.)

District Sector Units Geo. Units Mapped %
WD18 9 45 43 7 16.3%

All units within this sector:

Unit PQI First Seen Last Seen Street Name ML Mapped
WD18 9AA 10 0
WD18 9AB 10 0
WD18 9AD 10 0
WD18 9AE 10 0
WD18 9AF 10 0
WD18 9AG 10 0
WD18 9BL 10 Tolpits Lane 1
WD18 9DA 10 Dwight Road 0
WD18 9EB 10 2013‑07 0
WD18 9ER 10 0
WD18 9ET 10 0
WD18 9EU 10 0
WD18 9EY 10 0
WD18 9EZ 10 0
WD18 9GD 10 2019‑01 140 0
WD18 9HG 10 0
WD18 9JE 10 0
WD18 9NA 10 0
WD18 9PU 10 0
WD18 9PX 10 0
WD18 9QA 10 0
WD18 9QD 10 Chaffinch Lane 1
WD18 9QG 10 0
WD18 9QN 10 0
WD18 9QP 10 Tolpits Lane 1
WD18 9QQ 10 0
WD18 9QR 10 0
WD18 9RD 10 2013‑07 0
WD18 9RE 10 0
WD18 9RF 10 0
WD18 9RG 10 2013‑07 0
WD18 9RH 10 2013‑07 0
WD18 9RN 10 Tolpits Lane 3
WD18 9RS 10 0
WD18 9RU 10 Olds Close 0
WD18 9RX 10 2018‑01 0
WD18 9RZ 10 2015‑10 0
WD18 9SB 10 Tolpits Lane 1
WD18 9SP 10 Tolpits Lane 2
WD18 9SR 10 1
WD18 9SS 10 0
WD18 9SW 10 0
WD18 9TB 10 0
WD18 9TD 10 0
WD18 9TL 10 0
WD18 9TS 10 0
WD18 9TT 10 140 0
WD18 9UD 10 0
WD18 9UH 10 2018‑01 0
WD18 9UL 10 0
WD18 9UN 10 0
WD18 9UP 10 0
WD18 9WW 10 140 0
WD18 9WZ 10 2013‑07 0
WD18 9XD 10 0
WD18 9XG 10 0
WD18 9XL 10 2019‑12 Dwight Road 1
WD18 9XN 10 2018‑07 0
WD18 9XT 10 0
WD18 9YB 10 2013‑07 0
WD18 9YD 10 2013‑07 0
WD18 9ZH 10 2019‑01 140 0
WD18 9ZR 10 2013‑07 0

Units with street mismatches in this sector:

Unit Mapped Dominant Street OSM Object Tagged Street
WD18 9SR 1 n988176113
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.