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OSM Postcode Mapping for SA1 5 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 %
SA1 5 102 97 22 22.7%

All units within this sector:

Unit PQI First Seen Last Seen Street Name ML Mapped
SA1 5AA 10 0
SA1 5AD 10 0
SA1 5AE 10 College Street 1
SA1 5AF 10 0
SA1 5AG 10 Orchard Street 1
SA1 5AJ 10 0
SA1 5AL 10 0
SA1 5AP 10 6 0
SA1 5AQ 10 2019‑01 Orchard Street 1
SA1 5AR 10 10 0
SA1 5AS 10 0
SA1 5AT 10 0
SA1 5AW 10 0
SA1 5BA 10 0
SA1 5BB 10 0
SA1 5BD 10 0
SA1 5BG 10 0
SA1 5BH 10 0
SA1 5BJ 10 0
SA1 5BP 10 0
SA1 5BX 10 0
SA1 5BY 10 0
SA1 5BZ 10 0
SA1 5DB 10 0
SA1 5DF 10 0
SA1 5DG 10 0
SA1 5DN 10 0
SA1 5DQ 10 0
SA1 5DR 10 0
SA1 5DS 10 Pleasant Street 1
SA1 5DT 10 Alexandra Road 1
SA1 5DU 10 0
SA1 5DW 10 0
SA1 5DX 10 0
SA1 5DY 10 0
SA1 5DZ 10 0
SA1 5EA 10 Grove Place 1
SA1 5ED 10 1
SA1 5EJ 10 2 0
SA1 5EL 10 0
SA1 5EN 10 2 0
SA1 5HB 10 2017‑04 Princess Way 1
SA1 5HE 10 0
SA1 5HF 10 Princess Way 2
SA1 5HG 10 The Kingsway 1
SA1 5HN 10 Kingsway 4
SA1 5HQ 10 0
SA1 5HR 10 Saint Mary's Square 2
SA1 5HW 10 0
SA1 5HY 10 0
SA1 5JB 10 0
SA1 5JE 10 The Kingsway 1
SA1 5JH 10 0
SA1 5JL 10 2017‑04 0
SA1 5JN 10 The Kingsway 4
SA1 5JQ 10 The Kingsway 3
SA1 5JR 10 0
SA1 5JY 10 The Kingsway 1
SA1 5JZ 10 0
SA1 5LA 10 2015‑10 0
SA1 5LB 10 0
SA1 5LD 10 2017‑10 0
SA1 5LE 10 0
SA1 5LF 10 The Kingsway 2
SA1 5LG 10 0
SA1 5LJ 10 6 0
SA1 5LQ 10 The Kingsway 1
SA1 5LR 10 2017‑04 0
SA1 5LS 10 The Kingsway 1
SA1 5NE 10 0
SA1 5NF 10 0
SA1 5NG 10 Walter Road 1
SA1 5NN 10 Walter Road 1
SA1 5NQ 10 0
SA1 5NW 10 1
SA1 5PN 10 0
SA1 5PQ 10 0
SA1 5PW 10 0
SA1 5PY 10 0
SA1 5PZ 10 0
SA1 5QE 10 0
SA1 5QF 10 0
SA1 5QH 10 0
SA1 5QJ 10 0
SA1 5QQ 10 0
SA1 5RD 10 0
SA1 5RE 10 0
SA1 5RF 10 0
SA1 5RG 10 Walter Road 2
SA1 5RH 10 2013‑07 0
SA1 5RQ 10 0
SA1 5RS 10 0
SA1 5RT 10 0
SA1 5RW 10 0
SA1 5SE 10 0
SA1 5SF 10 0
SA1 5SG 10 0
SA1 5SN 10 0
SA1 5SQ 10 0
SA1 5SW 10 0
SA1 5TB 10 2013‑07 0
SA1 5TE 10 0
SA1 5TF 10 0
SA1 5TN 10 0
SA1 5TR 10 0
SA1 5TW 10 0
SA1 5TX 10 Union Street 1
SA1 5TY 10 0
SA1 5TZ 10 0
SA1 5UD 10 0
SA1 5UE 10 0
SA1 5UH 10 2017‑04 0
SA1 5WX 10 74 0
SA1 5YA 10 2019‑01 74 0
SA1 5YH 10 2013‑07 18 0
SA1 5YJ 10 2019‑01 74 0
SA1 5YL 10 74 0
SA1 5YW 10 2013‑07 18 0

Units with street mismatches in this sector:

Unit Mapped Dominant Street OSM Object Tagged Street
SA1 5ED 1 w23243333
SA1 5HR 2 Saint␣Mary's␣Square w538642645 The␣Quadrant␣Shopping␣Centre
SA1 5NW 1 w285958801
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.