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OSM Postcode Mapping for SW1Y 5 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 %
SW1Y 5 46 45 12 26.7%

All units within this sector:

Unit Street Name PQI ML Mapped
SW1Y 5AA 10 0
SW1Y 5AD 10 0
SW1Y 5AF 10 0
SW1Y 5AG 10 0
SW1Y 5AH 10 0
SW1Y 5AN 10 2 0
SW1Y 5AP 10 2 0
SW1Y 5AQ 10 0
SW1Y 5AS 10 2 0
SW1Y 5AT 10 0
SW1Y 5AU Pall Mall East 10 1
SW1Y 5AY Pall Mall East 10 2 1
SW1Y 5BD 10 2 0
SW1Y 5BF 10 0
SW1Y 5BG 10 2 0
SW1Y 5BJ Trafalgar Square 10 2 1
SW1Y 5BL Cockspur Street 10 2
SW1Y 5BN 10 0
SW1Y 5BQ 10 2 0
SW1Y 5BS 10 2 0
SW1Y 5DG Carlton House Terrace 10 1
SW1Y 5DL 10 2 0
SW1Y 5EA 10 0
SW1Y 5ED Pall Mall 10 1
SW1Y 5EP 10 0
SW1Y 5ER Pall Mall 10 1
SW1Y 5ES 10 0
SW1Y 5EW 10 0
SW1Y 5EY 10 2 0
SW1Y 5EZ 10 2 0
SW1Y 5HD Pall Mall 10 1
SW1Y 5HS St James's Street 10 1
SW1Y 5HU 10 3 0
SW1Y 5HX 10 3 0
SW1Y 5HY 10 3 0
SW1Y 5HZ 10 0
SW1Y 5JG 10 0
SW1Y 5JH 10 0
SW1Y 5JN 10 0
SW1Y 5JQ 10 0
SW1Y 5LP 10 2 0
SW1Y 5LU Pall Mall 10 6
SW1Y 5NG Pall Mall 10 2 1
SW1Y 5NP Pall Mall 10 1
SW1Y 5NQ 10 0
SW1Y 5ZQ 10 273 0

Units with street mismatches in this sector:

No mismatches found in this sector.

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.