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OSM Postcode Mapping for CW1 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 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 %
CW1 2 106 105 31 29.5%

All units within this sector:

Unit Street Name PQI ML Mapped
CW1 2AF Earle Street 10 1
CW1 2AG Earle Street 10 1
CW1 2AH Earle Street 10 1
CW1 2AL 10 0
CW1 2AN 10 0
CW1 2AP 10 0
CW1 2AQ Earle Street 10 1
CW1 2AS Earle Street 10 2
CW1 2AT Earle Street 10 2
CW1 2AU 10 0
CW1 2AW 10 0
CW1 2AY 10 0
CW1 2AZ Mirion Street 10 1
CW1 2BA 10 0
CW1 2BB 10 0
CW1 2BD 10 0
CW1 2BE 10 0
CW1 2BG Earle Street 10 1
CW1 2BH Earle Street 10 1
CW1 2BJ 10 28 0
CW1 2BL 10 0
CW1 2BP 10 2 0
CW1 2BS Earle Street 10 1
CW1 2BT 10 0
CW1 2BZ Heath Street 10 1
CW1 2DA Heath Street 10 1
CW1 2DB 10 0
CW1 2DD Vernon Way 10 1
CW1 2DF Prince Albert Street 10 2
CW1 2DH Prince Albert Street 10 1
CW1 2DJ 10 0
CW1 2DL 10 0
CW1 2DP 10 2 0
CW1 2DQ 10 1
CW1 2DR 10 2 0
CW1 2DT 10 2 1
CW1 2DU Forge Street 10 1
CW1 2DX 10 0
CW1 2EG Market Street 10 0
CW1 2EL Market Street 10 2
CW1 2ER 10 0
CW1 2ES 10 0
CW1 2ET 10 0
CW1 2EW Market Street 10 2
CW1 2EX 10 0
CW1 2EY 10 0
CW1 2EZ 10 0
CW1 2FA 10 46 0
CW1 2FB 10 46 0
CW1 2FF 10 0
CW1 2GZ 10 0
CW1 2HB 10 0
CW1 2HD 10 0
CW1 2HE Victoria Street 10 1
CW1 2HF Victoria Street 10 2
CW1 2HH 10 0
CW1 2HJ 10 0
CW1 2HN 10 0
CW1 2HP 10 0
CW1 2HQ 10 0
CW1 2HR Delamere Street 10 0
CW1 2HT 10 0
CW1 2HU 10 0
CW1 2HY 10 0
CW1 2JA 10 0
CW1 2JB 10 0
CW1 2JE Victoria Street 10 1
CW1 2JG Victoria Street 10 2
CW1 2JH 10 0
CW1 2JJ 10 0
CW1 2JL 10 0
CW1 2JN Victoria Street 10 1
CW1 2JP 10 0
CW1 2JQ 10 0
CW1 2JS 10 0
CW1 2JT 10 0
CW1 2JU 10 0
CW1 2JW 10 0
CW1 2JX 10 0
CW1 2JY 10 2 0
CW1 2JZ 10 2 0
CW1 2LB 10 0
CW1 2LD 10 0
CW1 2LE 10 0
CW1 2LF 10 0
CW1 2LH 10 0
CW1 2LL 10 2 0
CW1 2LQ 10 2 0
CW1 2LY 10 46 0
CW1 2LZ 10 2 0
CW1 2NA 10 0
CW1 2NB 10 0
CW1 2ND Market Street 10 1
CW1 2NE 10 0
CW1 2NG 10 1
CW1 2NJ 10 0
CW1 2NL 10 0
CW1 2NN 10 0
CW1 2NP 10 0
CW1 2NU 10 0
CW1 2NW 10 0
CW1 2NX 10 0
CW1 2PA 10 0
CW1 2PB 10 0
CW1 2PF 10 0
CW1 2PH Meredith Street 10 1
CW1 2PJ 10 0
CW1 2PL 10 0
CW1 2PN 10 0
CW1 2PP 10 0
CW1 2PQ 10 0
CW1 2PT 10 1
CW1 2PU Victoria Street 10 1
CW1 2PW 10 0
CW1 2PY 10 0
CW1 2PZ West Street 10 1
CW1 2QA 10 0
CW1 2QD 10 0
CW1 2QH 10 0
CW1 2RP Grand Junction Way 10 4
CW1 2WY 10 46 0

Units with street mismatches in this sector:

Unit Mapped Dominant Street OSM Object Tagged Street
CW1 2DF 2 Prince␣Albert␣Street w618097114
CW1 2DT 1 w187017298
CW1 2NG 1 n4566946090
CW1 2PT 1 n30621886
CW1 2RP 4 Grand␣Junction␣Way w704068573
CW1 2RP 4 Grand␣Junction␣Way w798966958
CW1 2RP 4 Grand␣Junction␣Way w798966959
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.