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OSM Postcode Mapping for LS1 3 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 %
LS1 3 44 44 18 40.9%

All units within this sector:

Unit PQI First Seen Last Seen Street Name ML Mapped
LS1 3AA 10 1
LS1 3AB 10 Calverley Street 1
LS1 3AD 10 2 0
LS1 3AF 10 0
LS1 3AH 10 0
LS1 3AJ 10 0
LS1 3AL 10 Great George Street 1
LS1 3AP 10 0
LS1 3AQ 10 3 0
LS1 3AR 10 3 0
LS1 3AS 50 3 0
LS1 3AU 10 Oxford Place 1
LS1 3AW 10 0
LS1 3AX 10 Oxford Place 5
LS1 3AY 10 Portland Crescent 4 1
LS1 3AZ 10 4 0
LS1 3BA 10 4 0
LS1 3BB 10 Great George Street 10
LS1 3BE 10 0
LS1 3BF 10 4 0
LS1 3BG 10 2 0
LS1 3BR 10 Great George Street 8
LS1 3BY 10 0
LS1 3DA 10 2 0
LS1 3DB 10 Calverley Street 2 1
LS1 3DL 10 Great George Street 4
LS1 3DN 10 0
LS1 3DQ 10 2019‑01 111 0
LS1 3DR 10 0
LS1 3DS 10 2013‑07 0
LS1 3DW 10 Great George Street 3
LS1 3DX 10 0
LS1 3EA 10 0
LS1 3EB 10 Leighton Street 1
LS1 3ED 10 0
LS1 3ES 10 Calverley Street 2 2
LS1 3EX 10 2 0
LS1 3EY 10 Calverley Street 1
LS1 3EZ 10 0
LS1 3HB 10 Portland Crescent 1
LS1 3HE 10 2 0
LS1 3HJ 10 Portland Crescent 2
LS1 3HL 10 0
LS1 3HQ 10 Woodhouse Lane 2
LS1 3JP 10 Westgate 111 1
LS1 3JR 10 2 0
LS1 3LA 10 0

Units with street mismatches in this sector:

Unit Mapped Dominant Street OSM Object Tagged Street
LS1 3AA 1 n1862252937
LS1 3ES 2 Calverley␣Street n5985682846 Portland␣Way
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.