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OSM Postcode Mapping for SA2 8 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 %
SA2 8 148 147 13 8.8%

All units within this sector:

Unit PQI First Seen Last Seen Street Name ML Mapped
SA2 8AA 10 Derwen Fawr Road 1
SA2 8AB 10 0
SA2 8AD 10 0
SA2 8AE 10 0
SA2 8AF 10 0
SA2 8AG 10 0
SA2 8AH 10 0
SA2 8AJ 10 0
SA2 8AL 10 0
SA2 8AN 10 0
SA2 8AP 10 0
SA2 8AQ 10 0
SA2 8AR 10 0
SA2 8AS 10 0
SA2 8AT 10 Cherry Grove 1
SA2 8AU 10 0
SA2 8AW 10 0
SA2 8AX 10 0
SA2 8AY 10 0
SA2 8AZ 10 0
SA2 8BA 10 0
SA2 8BB 10 0
SA2 8BD 10 0
SA2 8BE 10 0
SA2 8BG 10 0
SA2 8BH 10 0
SA2 8BJ 10 0
SA2 8BL 10 0
SA2 8BN 10 0
SA2 8BP 10 0
SA2 8BQ 10 0
SA2 8BS 10 0
SA2 8BT 10 0
SA2 8DA 10 0
SA2 8DD 10 0
SA2 8DE 10 2 0
SA2 8DF 10 2 0
SA2 8DH 10 0
SA2 8DP 10 0
SA2 8DQ 10 0
SA2 8DR 10 0
SA2 8DS 10 0
SA2 8DU 10 0
SA2 8DY 10 0
SA2 8DZ 10 0
SA2 8EA 10 0
SA2 8EB 10 0
SA2 8ED 10 0
SA2 8EE 10 0
SA2 8EF 10 0
SA2 8EG 10 0
SA2 8EH 10 0
SA2 8EJ 10 0
SA2 8EL 10 0
SA2 8EN 10 0
SA2 8EP 10 0
SA2 8EQ 10 0
SA2 8ER 10 0
SA2 8ES 10 0
SA2 8ET 10 0
SA2 8EU 10 0
SA2 8EW 10 0
SA2 8HE 10 0
SA2 8HP 10 0
SA2 8HQ 10 Maes y Gollen 1
SA2 8HR 10 0
SA2 8HS 10 0
SA2 8HT 10 0
SA2 8HU 10 0
SA2 8HW 10 0
SA2 8HX 10 2 0
SA2 8HY 10 2 0
SA2 8HZ 10 2 0
SA2 8JA 10 2 0
SA2 8JB 10 2 0
SA2 8JD 10 2 0
SA2 8JE 10 Parkway 1
SA2 8JF 10 0
SA2 8JG 10 0
SA2 8JH 10 Sketty Park Drive 1
SA2 8JJ 10 Parkway 6
SA2 8JL 10 0
SA2 8JN 10 0
SA2 8JP 10 0
SA2 8JQ 10 0
SA2 8JR 10 0
SA2 8JW 10 0
SA2 8LE 10 0
SA2 8LF 10 0
SA2 8LG 10 0
SA2 8LH 10 0
SA2 8LJ 10 0
SA2 8LL 10 0
SA2 8LN 10 0
SA2 8LQ 10 0
SA2 8LR 10 0
SA2 8LS 10 0
SA2 8LT 10 0
SA2 8LU 10 0
SA2 8LX 10 0
SA2 8LY 10 0
SA2 8LZ 10 0
SA2 8NA 10 0
SA2 8NB 10 0
SA2 8ND 10 0
SA2 8NE 10 0
SA2 8NF 10 Gabalfa Road 4
SA2 8NG 10 Sketty Park Drive 1
SA2 8NH 10 0
SA2 8NJ 10 0
SA2 8NL 10 0
SA2 8NN 10 0
SA2 8NP 10 0
SA2 8NQ 10 0
SA2 8NR 10 0
SA2 8NS 10 0
SA2 8NT 10 0
SA2 8NU 10 0
SA2 8NW 10 0
SA2 8NX 10 0
SA2 8NY 10 0
SA2 8NZ 10 0
SA2 8PA 10 0
SA2 8PB 10 0
SA2 8PE 10 0
SA2 8PG 10 0
SA2 8PH 10 0
SA2 8PJ 10 0
SA2 8PL 10 0
SA2 8PP 10 Singleton Park 13
SA2 8PQ 10 0
SA2 8PR 10 2017‑04 0
SA2 8PS 10 0
SA2 8PT 10 0
SA2 8PU 10 0
SA2 8PW 10 0
SA2 8PY 10 1
SA2 8PZ 10 0
SA2 8QA 10 Sketty Lane 1
SA2 8QB 10 0
SA2 8QD 10 2 0
SA2 8QE 10 0
SA2 8QF 10 Sketty Lane 3
SA2 8QG 10 Sketty Lane 1
SA2 8QH 10 0
SA2 8QJ 10 2 0
SA2 8QL 10 0
SA2 8QQ 10 0
SA2 8YF 10 18 0
SA2 8YH 10 74 0
SA2 8YL 10 18 0

Units with street mismatches in this sector:

Unit Mapped Dominant Street OSM Object Tagged Street
SA2 8PP 13 Singleton␣Park n975844085
SA2 8PP 13 Singleton␣Park n975844189
SA2 8PP 13 Singleton␣Park w109082089
SA2 8PP 13 Singleton␣Park n688512021
SA2 8PP 13 Singleton␣Park n975844091
SA2 8PP 13 Singleton␣Park n6860560704 Singleton␣Park,␣Swansea␣University
SA2 8PP 13 Singleton␣Park n688512022
SA2 8PP 13 Singleton␣Park n975844106
SA2 8PP 13 Singleton␣Park n688512025
SA2 8PP 13 Singleton␣Park n975844120
SA2 8PP 13 Singleton␣Park w54682405 Singleton␣Park,␣Swansea␣University
SA2 8PY 1 w54682393
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.