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OSM Postcode Mapping for SW1X 9 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 comes from Taginfo GB. It is usually updated once a day at about 10:15 UTC, with data from about 20:30 UTC the previous day. (Current data is from 1970‑01‑01 00:00:00 Z.) The data used to compute the OSM mean position comes from the Overpass API and is updated less frequently, usually about once a week. (Current data is from 2024‑03‑23 18:50:30 Z.)

District Sector Units Geo. Units Mapped %
SW1X 9 115 114 10 8.8%

All units within this sector:

Unit PQI First Seen Last Seen Street Name ML Mapped
SW1X 9AA 10 0
SW1X 9AB 10 0
SW1X 9AD 10 0
SW1X 9AE 10 0
SW1X 9AF 10 0
SW1X 9AG 10 0
SW1X 9AH 10 Cadogan Place 0
SW1X 9AJ 10 0
SW1X 9AL 10 Ellis Street 0
SW1X 9AQ 10 0
SW1X 9AS 10 0
SW1X 9AT 10 0
SW1X 9AU 10 0
SW1X 9AX 10 0
SW1X 9AY 10 0
SW1X 9BS 10 0
SW1X 9BT 10 0
SW1X 9BW 10 120 Sloane St, Chelsea 0
SW1X 9BX 10 0
SW1X 9BZ 10 0
SW1X 9DE 10 Sedding Street 2
SW1X 9DG 10 0
SW1X 9DP 10 0
SW1X 9DQ 10 Sloane Terrace 1
SW1X 9DR 10 0
SW1X 9DT 10 0
SW1X 9DU 10 0
SW1X 9DX 10 0
SW1X 9DY 10 0
SW1X 9EB 10 0
SW1X 9EH 10 0
SW1X 9EJ 10 Pont Street 1
SW1X 9EL 10 Pont Street 1
SW1X 9EN 10 0
SW1X 9ES 10 0
SW1X 9ET 10 0
SW1X 9EU 10 0
SW1X 9EX 10 0
SW1X 9EY 10 Lowndes Street 1
SW1X 9EZ 10 0
SW1X 9HA 10 0
SW1X 9HB 10 0
SW1X 9HD 10 0
SW1X 9HE 10 0
SW1X 9HF 10 0
SW1X 9HG 10 0
SW1X 9HH 10 0
SW1X 9HL 10 0
SW1X 9HQ 10 0
SW1X 9HR 10 0
SW1X 9HX 10 0
SW1X 9HY 10 2015‑10 0
SW1X 9HZ 10 0
SW1X 9JB 10 0
SW1X 9JD 10 0
SW1X 9JE 10 0
SW1X 9JF 10 Lowndes Street 1
SW1X 9JH 10 0
SW1X 9JJ 10 0
SW1X 9JL 10 0
SW1X 9JN 10 0
SW1X 9JQ 10 0
SW1X 9JR 10 0
SW1X 9JS 10 0
SW1X 9JT 10 0
SW1X 9JU 10 0
SW1X 9JW 10 0
SW1X 9JX 10 0
SW1X 9LA 10 0
SW1X 9LE 10 Sloane Street 1
SW1X 9LF 10 0
SW1X 9LJ 10 2 0
SW1X 9LP 10 0
SW1X 9LQ 10 2 0
SW1X 9LU 10 0
SW1X 9NB 10 0
SW1X 9NE 10 0
SW1X 9NR 10 0
SW1X 9NU 10 Sloane Street 0
SW1X 9NW 10 0
SW1X 9PA 10 0
SW1X 9PB 10 0
SW1X 9PD 10 0
SW1X 9PE 10 0
SW1X 9PF 10 0
SW1X 9PJ 10 0
SW1X 9PP 10 0
SW1X 9PQ 10 0
SW1X 9PU 10 0
SW1X 9PX 10 2015‑10 0
SW1X 9PY 10 0
SW1X 9PZ 10 0
SW1X 9QB 10 0
SW1X 9QF 10 0
SW1X 9QG 10 0
SW1X 9QL 10 0
SW1X 9QN 10 2 0
SW1X 9QP 10 2 0
SW1X 9QR 10 0
SW1X 9QT 10 0
SW1X 9QU 10 0
SW1X 9QX 10 0
SW1X 9RG 10 2013‑07 0
SW1X 9RP 10 0
SW1X 9RS 10 0
SW1X 9RT 10 0
SW1X 9RU 10 0
SW1X 9RX 10 0
SW1X 9RZ 10 0
SW1X 9SA 10 0
SW1X 9SE 10 Sloane Street 1
SW1X 9SF 10 Sloane Street 1
SW1X 9SG 10 2015‑10 Sloane Street 1
SW1X 9SH 10 Sloane Street 1
SW1X 9SN 10 0
SW1X 9SP 10 2 0
SW1X 9SR 10 2 0
SW1X 9SW 10 2 0
SW1X 9SY 10 2 0
SW1X 9UQ 10 2018‑07 0
SW1X 9WB 10 2013‑07 0
SW1X 9WH 10 2015‑10 0
SW1X 9WR 10 2013‑07 0
SW1X 9WU 10 5 0
SW1X 9WX 10 5 0
SW1X 9XR 10 2016‑10 0
SW1X 9YA 10 2015‑10 0
SW1X 9YE 10 5 0
SW1X 9ZB 10 2013‑07 0
SW1X 9ZR 10 2015‑10 0
SW1X 9ZT 10 281 0
SW1X 9ZU 10 2015‑10 0

Units with street mismatches in this sector:

Unit Mapped Dominant Street OSM Object Tagged Street
SW1X 9DE 2 Sedding␣Street w630720422
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.