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OSM Postcode Mapping for SA3 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 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 2024‑07‑21 07:21:58 Z.)

District Sector Units Geo. Units Mapped %
SA3 2 61 61 15 24.6%

All units within this sector:

Unit PQI First Seen Last Seen Street Name ML Mapped
SA3 2AA 10 0
SA3 2AB 10 0
SA3 2AD 10 Pennard Road 1
SA3 2AE 10 0
SA3 2AH 10 0
SA3 2AJ 10 0
SA3 2AL 10 0
SA3 2AN 10 West Cliff 1
SA3 2AP 10 0
SA3 2AQ 10 0
SA3 2AS 10 0
SA3 2AT 10 0
SA3 2AU 10 0
SA3 2AW 10 0
SA3 2BJ 10 0
SA3 2BL 10 0
SA3 2BN 10 0
SA3 2BP 10 0
SA3 2BR 10 Linkside Drive 1
SA3 2BS 10 0
SA3 2BT 10 Southgate Road 2
SA3 2BU 10 0
SA3 2BW 10 0
SA3 2BX 10 Anderson Lane 6
SA3 2BY 10 0
SA3 2BZ 10 Foxhole Drive 7
SA3 2DA 10 0
SA3 2DB 10 0
SA3 2DD 10 0
SA3 2DE 10 0
SA3 2DF 10 Meadow Croft 7
SA3 2DH 10 Southgate Road 4
SA3 2DJ 10 0
SA3 2DN 10 0
SA3 2DP 10 0
SA3 2DQ 10 0
SA3 2DR 10 0
SA3 2DW 10 0
SA3 2DX 10 0
SA3 2EA 10 0
SA3 2EB 10 0
SA3 2ED 10 0
SA3 2EE 10 1
SA3 2EH 10 South Gower Road 2
SA3 2EJ 10 0
SA3 2EL 10 0
SA3 2EN 10 0
SA3 2EP 10 0
SA3 2EQ 10 Parkmill 1
SA3 2ER 10 0
SA3 2EW 10 0
SA3 2HA 10 0
SA3 2HB 10 North Hills Lane 2
SA3 2HD 10 0
SA3 2HE 10 0
SA3 2HH 10 0
SA3 2HJ 10 0
SA3 2HL 10 Nicholaston Farm 2
SA3 2HN 10 1
SA3 2HP 10 0
SA3 2HQ 10 2
SA3 2ZX 10 0

Units with street mismatches in this sector:

Unit Mapped Dominant Street OSM Object Tagged Street
SA3 2EE 1 w457908903
SA3 2EH 2 South␣Gower␣Road w496325880
SA3 2HB 2 North␣Hills␣Lane w48611603 North␣Hill␣Lane
SA3 2HL 2 Nicholaston␣Farm w374884133
SA3 2HN 1 n269493073
SA3 2HQ 2 w1034422886
SA3 2HQ 2 n4532530385
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.