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OSM Postcode Mapping for L1 4 Postal Sector

The circles on the map above are the postcode unit 'centriods' from Code-Point Open, 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 data may be freely used in OpenStreetMap, with the suggested source tag code-point_open

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. Only those points with a codepoint PQI less than or equal to 40 are show in 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 %
L1 4 72 72 24 33.3%

All units within this sector:

Unit Street Name PQI ML Mapped
L1 4AA Hanover Street 10 1
L1 4AE 10 0
L1 4AF 10 0
L1 4AG 10 0
L1 4AL 10 0
L1 4AN 10 0
L1 4AP 10 0
L1 4AQ Wood Street 10 2
L1 4AR Fleet Street 10 1
L1 4AS 10 0
L1 4AT 10 0
L1 4AU Seel Street 10 2
L1 4AW 10 0
L1 4AX 10 3 0
L1 4AZ 10 0
L1 4BB 10 0
L1 4BE Seel Street 10 2
L1 4BF 10 3 0
L1 4BG 10 1
L1 4BH 10 0
L1 4BL 10 0
L1 4BN 10 0
L1 4BP 10 3 0
L1 4BQ 10 0
L1 4BS 10 0
L1 4BT 10 2 0
L1 4BU 10 2 0
L1 4BW Slater Street 10 2
L1 4BX Slater Street 10 1
L1 4BY 10 0
L1 4DA 10 0
L1 4DE Colquitt Street 10 2
L1 4DH 10 0
L1 4DJ 10 0
L1 4DL 10 2 0
L1 4DN Bold Street 10 1
L1 4DQ Wood Street 10 4
L1 4DR 10 2 0
L1 4DS 10 0
L1 4EA 10 0
L1 4ED Newington 10 3
L1 4EF Renshaw Street 10 7
L1 4EN 10 0
L1 4EU Bold Street 10 9
L1 4EW 10 0
L1 4EY 10 0
L1 4EZ Bold Street 10 1
L1 4FB 10 0
L1 4HF Bold Street 10 2
L1 4HL 10 0
L1 4HR Bold Street 10 1
L1 4HY Bold Street 10 1
L1 4JA Bold Street 10 1
L1 4JF 10 0
L1 4JH Gradwell Street 10 1
L1 4JJ 10 0
L1 4JL 50 0
L1 4JN 10 1
L1 4JQ Berry Street 10 1
L1 4JR 10 0
L1 4JS 10 0
L1 4JX 10 0
L1 4LB 10 2 0
L1 4LE 10 2 0
L1 4LF 10 0
L1 4LH 10 0
L1 4LN Hanover Street 10 3
L1 4NG 10 0
L1 4NL 10 0
L1 4NR Fleet Street/Concert Square 10 1
L1 4NU 10 0
L1 4UF 10 0

Units with street mismatches in this sector:

Unit Mapped Dominant Street OSM Object Tagged Street
L1 4BG 1 n705908217
L1 4DQ 4 Wood␣Street n6650021122 92-98␣Wood␣Street
L1 4JN 1 n27419737
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.