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OSM Postcode Mapping for SW1W 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 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 %
SW1W 9 114 109 19 17.4%

All units within this sector:

Unit PQI First Seen Last Seen Street Name ML Mapped
SW1W 9AA 10 0
SW1W 9AD 10 0
SW1W 9AE 10 0
SW1W 9AG 10 0
SW1W 9AH 10 0
SW1W 9AL 10 0
SW1W 9AN 10 2015‑10 0
SW1W 9AP 10 0
SW1W 9AQ 10 0
SW1W 9AR 10 0
SW1W 9AS 10 0
SW1W 9AT 10 283 0
SW1W 9AW 10 0
SW1W 9AX 10 0
SW1W 9AY 10 2018‑01 0
SW1W 9AZ 10 0
SW1W 9BA 10 Eaton Gate 1
SW1W 9BD 10 0
SW1W 9BE 10 0
SW1W 9BG 10 0
SW1W 9BJ 10 0
SW1W 9BQ 10 0
SW1W 9DA 10 0
SW1W 9DB 10 0
SW1W 9DD 10 0
SW1W 9DE 10 0
SW1W 9DF 10 0
SW1W 9DH 10 0
SW1W 9DL 10 283 0
SW1W 9DP 10 0
SW1W 9DS 10 0
SW1W 9DU 10 0
SW1W 9DY 10 0
SW1W 9DZ 10 2013‑07 4 0
SW1W 9EA 10 0
SW1W 9EF 10 0
SW1W 9EG 10 0
SW1W 9EH 10 0
SW1W 9EL 10 0
SW1W 9EN 10 0
SW1W 9EP 10 0
SW1W 9EQ 10 0
SW1W 9ER 10 0
SW1W 9ES 10 0
SW1W 9ET 10 0
SW1W 9FJ 10 283 0
SW1W 9FL 10 2018‑07 0
SW1W 9HA 10 2013‑07 Buckingham Palace Road 4 1
SW1W 9HH 10 0
SW1W 9HJ 10 0
SW1W 9HP 10 0
SW1W 9HR 10 0
SW1W 9HS 10 0
SW1W 9HT 10 0
SW1W 9JA 10 0
SW1W 9JB 10 0
SW1W 9JD 10 0
SW1W 9JE 10 0
SW1W 9JF 10 0
SW1W 9JH 10 0
SW1W 9JJ 10 0
SW1W 9JL 10 0
SW1W 9JR 10 3 0
SW1W 9JS 10 0
SW1W 9JT 10 0
SW1W 9JU 10 0
SW1W 9JX 10 0
SW1W 9JY 10 0
SW1W 9JZ 10 0
SW1W 9LL 10 2013‑07 0
SW1W 9LN 10 0
SW1W 9LS 10 0
SW1W 9LT 10 Eccleston Street 1
SW1W 9LX 10 0
SW1W 9LY 10 2015‑10 0
SW1W 9LZ 10 0
SW1W 9ND 10 0
SW1W 9NE 10 0
SW1W 9NF 10 Eccleston Place 1
SW1W 9NP 10 0
SW1W 9NS 10 0
SW1W 9NU 10 0
SW1W 9NX 10 0
SW1W 9NY 10 0
SW1W 9NZ 10 0
SW1W 9PA 10 Elizabeth Street 2
SW1W 9PB 10 1
SW1W 9PD 10 0
SW1W 9PE 10 0
SW1W 9PF 10 2015‑10 0
SW1W 9PG 10 0
SW1W 9PJ 10 0
SW1W 9PP 10 Elizabeth Street 1
SW1W 9PQ 10 0
SW1W 9PY 10 Eccleston Street 1
SW1W 9QA 10 0
SW1W 9QB 10 0
SW1W 9QD 10 Ebury Street 2
SW1W 9QG 10 0
SW1W 9QH 10 0
SW1W 9QJ 10 Ebury Street, Semley Place 2 1
SW1W 9QL 10 2 0
SW1W 9QN 10 Ebury Street 1
SW1W 9QQ 10 Ebury Street 1
SW1W 9QU 10 Ebury Street 1
SW1W 9QW 10 2019‑07 0
SW1W 9RB 10 Elizabeth Street 5
SW1W 9RF 10 2013‑07 0
SW1W 9RH 10 0
SW1W 9RP 10 Elizabeth Street 1
SW1W 9SA 10 0
SW1W 9SH 10 Fountain Square 4 4
SW1W 9SJ 10 Buckingham Palace Road 8
SW1W 9SL 10 4 0
SW1W 9SP 10 0
SW1W 9SR 10 4 0
SW1W 9SS 10 4 0
SW1W 9ST 10 2 0
SW1W 9SU 10 2 0
SW1W 9SX 10 0
SW1W 9SZ 10 4 0
SW1W 9TB 10 0
SW1W 9TJ 10 0
SW1W 9TN 10 0
SW1W 9TP 10 Buckingham Palace Road 1
SW1W 9TQ 10 Buckingham Palace Road 1
SW1W 9TR 10 0
SW1W 9UD 10 Buckingham Palace Road 2
SW1W 9UZ 10 2013‑07 0
SW1W 9WL 10 2013‑07 0
SW1W 9WY 10 2015‑10 0
SW1W 9XA 10 283 0
SW1W 9XH 10 4 0
SW1W 9XN 10 2016‑10 0
SW1W 9ZA 10 2013‑07 0
SW1W 9ZG 10 2016‑10 0
SW1W 9ZQ 10 283 0

Units with street mismatches in this sector:

Unit Mapped Dominant Street OSM Object Tagged Street
SW1W 9PB 1 n428964038
SW1W 9SH 4 Fountain␣Square n1794837998 Colonnade␣Walk
SW1W 9SH 4 Fountain␣Square n1794930259 Colonnade␣Walk
SW1W 9SJ 8 Buckingham␣Palace␣Road n1428315763 Victoria␣Place
SW1W 9SJ 8 Buckingham␣Palace␣Road n2466428731 Victoria␣Place
SW1W 9SJ 8 Buckingham␣Palace␣Road n1581244948 Victoria␣Place
SW1W 9SJ 8 Buckingham␣Palace␣Road n2466428737 Apcoa␣Ecclestone␣Bridge
SW1W 9SJ 8 Buckingham␣Palace␣Road w57010894
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.