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OSM Postcode Mapping for SA11 4 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 2024‑07‑12 09:54:26 Z.)

District Sector Units Geo. Units Mapped %
SA11 4 101 101 2 2.0%

All units within this sector:

Unit PQI First Seen Last Seen Street Name ML Mapped
SA11 4AA 10 0
SA11 4AB 10 0
SA11 4AD 10 0
SA11 4AE 10 0
SA11 4AF 10 0
SA11 4AG 10 0
SA11 4AH 10 0
SA11 4AL 10 0
SA11 4AN 10 0
SA11 4AP 10 0
SA11 4AQ 10 2023‑01 0
SA11 4AR 10 0
SA11 4AS 10 0
SA11 4AT 10 0
SA11 4AU 10 0
SA11 4AW 10 0
SA11 4AY 10 0
SA11 4AZ 10 0
SA11 4BA 10 Woodbine Cottages 1
SA11 4BB 10 0
SA11 4BD 10 0
SA11 4BE 10 1
SA11 4BG 10 0
SA11 4BH 10 0
SA11 4BJ 10 0
SA11 4BL 10 0
SA11 4BN 10 0
SA11 4BP 10 0
SA11 4BS 10 0
SA11 4BT 10 0
SA11 4BU 10 0
SA11 4BW 10 0
SA11 4BX 10 0
SA11 4BY 10 0
SA11 4BZ 10 0
SA11 4DB 10 2024‑01 0
SA11 4DD 10 0
SA11 4DE 10 0
SA11 4DF 10 0
SA11 4DG 10 0
SA11 4DH 10 0
SA11 4DJ 10 0
SA11 4DL 10 0
SA11 4DN 10 0
SA11 4DP 10 0
SA11 4DR 10 0
SA11 4DS 10 0
SA11 4DT 10 0
SA11 4DU 10 0
SA11 4DW 10 0
SA11 4DY 10 0
SA11 4DZ 50 2015‑10 0
SA11 4EA 10 0
SA11 4ED 10 0
SA11 4EE 10 0
SA11 4EF 10 0
SA11 4EG 10 0
SA11 4EH 10 0
SA11 4EL 10 0
SA11 4EN 10 0
SA11 4ER 10 0
SA11 4ES 10 0
SA11 4ET 10 0
SA11 4EU 10 0
SA11 4EW 10 0
SA11 4HF 10 0
SA11 4HG 10 0
SA11 4HH 10 0
SA11 4HL 10 0
SA11 4HN 10 0
SA11 4HR 10 0
SA11 4HS 10 0
SA11 4HT 10 0
SA11 4HU 10 0
SA11 4HW 10 0
SA11 4HY 10 0
SA11 4LA 10 0
SA11 4LB 10 0
SA11 4LD 10 0
SA11 4LF 10 0
SA11 4LG 10 0
SA11 4LH 10 0
SA11 4LL 10 0
SA11 4LN 10 0
SA11 4LP 10 0
SA11 4LR 10 0
SA11 4LS 10 0
SA11 4LT 10 0
SA11 4LU 10 0
SA11 4LW 10 0
SA11 4LY 10 0
SA11 4NA 10 0
SA11 4NB 10 0
SA11 4ND 10 0
SA11 4NE 10 0
SA11 4NG 10 0
SA11 4NH 10 0
SA11 4NJ 10 0
SA11 4NN 10 0
SA11 4NR 10 0
SA11 4NW 10 0
SA11 4SP 10 0
SA11 4SR 10 0

Units with street mismatches in this sector:

Unit Mapped Dominant Street OSM Object Tagged Street
SA11 4BE 1 w70733793
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.