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OSM Postcode Mapping for TW1 1 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 %
TW1 1 178 175 15 8.6%

All units within this sector:

Unit PQI First Seen Last Seen Street Name ML Mapped
TW1 1AA 10 Brewery Lane 1
TW1 1AE 10 2017‑01 56 0
TW1 1AF 10 0
TW1 1AG 10 0
TW1 1AH 10 0
TW1 1AJ 10 0
TW1 1AL 10 0
TW1 1AN 10 0
TW1 1AP 10 0
TW1 1AQ 10 Twickenham Industrial Estate 56 1
TW1 1AR 10 0
TW1 1AS 10 0
TW1 1AU 10 0
TW1 1AW 10 0
TW1 1AX 10 0
TW1 1AY 10 0
TW1 1AZ 10 0
TW1 1BA 10 0
TW1 1BB 10 0
TW1 1BD 10 London Road 4
TW1 1BE 10 0
TW1 1BH 10 Whitton Road 1
TW1 1BJ 10 Whitton Road 3
TW1 1BL 10 0
TW1 1BN 10 0
TW1 1BP 10 0
TW1 1BQ 10 56 0
TW1 1BS 10 0
TW1 1BT 10 0
TW1 1BU 10 0
TW1 1BW 10 0
TW1 1BX 10 0
TW1 1BY 10 0
TW1 1BZ 10 Whitton Road 6
TW1 1DA 10 0
TW1 1DB 10 0
TW1 1DD 10 0
TW1 1DE 10 0
TW1 1DF 10 0
TW1 1DG 10 0
TW1 1DQ 10 0
TW1 1DS 10 0
TW1 1DX 10 0
TW1 1DZ 10 2016‑10 0
TW1 1EA 10 0
TW1 1EB 10 0
TW1 1EE 10 London Road 2
TW1 1EF 10 0
TW1 1EG 10 0
TW1 1EJ 10 0
TW1 1EL 10 0
TW1 1EN 10 0
TW1 1EQ 10 0
TW1 1ER 10 0
TW1 1ES 10 0
TW1 1ET 10 0
TW1 1EU 10 0
TW1 1EW 10 0
TW1 1EX 10 0
TW1 1EY 10 0
TW1 1EZ 10 0
TW1 1FA 50 2021‑09 2 0
TW1 1FB 10 2021‑09 0
TW1 1FD 10 2 0
TW1 1FE 10 2 0
TW1 1FF 50 2 0
TW1 1HA 10 0
TW1 1HB 10 0
TW1 1HD 10 0
TW1 1HG 10 0
TW1 1HP 10 0
TW1 1HR 10 0
TW1 1HS 10 0
TW1 1HT 10 0
TW1 1HU 10 0
TW1 1HW 10 0
TW1 1HX 10 0
TW1 1JA 10 0
TW1 1JB 10 0
TW1 1JD 10 Chertsey Road 1
TW1 1JE 10 0
TW1 1JF 10 0
TW1 1JG 10 0
TW1 1JN 10 0
TW1 1JP 10 0
TW1 1JQ 10 0
TW1 1JR 10 0
TW1 1JS 10 0
TW1 1JT 10 0
TW1 1JU 10 0
TW1 1JW 10 0
TW1 1JX 10 0
TW1 1JY 10 0
TW1 1LA 10 0
TW1 1LB 10 0
TW1 1LD 10 0
TW1 1LE 10 0
TW1 1LF 10 Winchester Road 2
TW1 1LG 10 0
TW1 1LH 10 0
TW1 1LJ 10 0
TW1 1LQ 10 0
TW1 1LR 10 0
TW1 1LU 10 0
TW1 1LX 10 0
TW1 1LY 10 0
TW1 1LZ 10 0
TW1 1NA 10 0
TW1 1NB 10 0
TW1 1ND 10 0
TW1 1NE 10 0
TW1 1NF 10 0
TW1 1NG 10 0
TW1 1NH 10 0
TW1 1NJ 10 St Margarets Road 1
TW1 1NL 10 0
TW1 1NN 10 0
TW1 1NP 10 0
TW1 1NQ 10 0
TW1 1NW 10 0
TW1 1NZ 10 0
TW1 1PA 10 0
TW1 1PB 10 Northcote Road 1
TW1 1PD 10 0
TW1 1PE 10 0
TW1 1PF 10 0
TW1 1PG 10 0
TW1 1PH 10 0
TW1 1PJ 10 0
TW1 1PL 10 0
TW1 1PN 10 0
TW1 1PP 10 0
TW1 1PQ 10 0
TW1 1PR 10 0
TW1 1PS 10 St Margarets Road 1
TW1 1PU 10 0
TW1 1PW 10 0
TW1 1PX 10 0
TW1 1PY 10 0
TW1 1PZ 10 0
TW1 1QB 10 0
TW1 1QD 10 0
TW1 1QE 10 0
TW1 1QF 10 0
TW1 1QG 10 0
TW1 1QH 10 0
TW1 1QJ 10 0
TW1 1QL 10 0
TW1 1QN 10 0
TW1 1QP 10 0
TW1 1QQ 10 0
TW1 1QR 10 0
TW1 1QS 10 0
TW1 1QT 10 0
TW1 1QU 10 0
TW1 1QW 10 0
TW1 1QX 10 0
TW1 1QY 10 0
TW1 1QZ 10 0
TW1 1RA 10 0
TW1 1RB 10 0
TW1 1RD 10 1
TW1 1RE 10 0
TW1 1RF 10 0
TW1 1RG 10 St Margarets Road 4
TW1 1RH 10 0
TW1 1RJ 10 0
TW1 1RL 10 St Margarets Road 1
TW1 1RP 10 0
TW1 1RQ 10 0
TW1 1RR 10 0
TW1 1RS 10 0
TW1 1RT 10 0
TW1 1RU 10 0
TW1 1RW 10 0
TW1 1RX 10 0
TW1 1RY 10 0
TW1 1SD 10 0
TW1 1WD 10 2019‑01 56 0
TW1 1WF 10 2019‑01 56 0
TW1 1WG 10 56 0
TW1 1WH 10 2019‑01 56 0
TW1 1WL 10 2019‑01 56 0
TW1 1WQ 10 0
TW1 1XB 10 2020‑04 56 0
TW1 1XP 10 2019‑01 56 0
TW1 1XQ 10 2019‑01 56 0
TW1 1XS 10 2019‑01 56 0
TW1 1XU 10 56 0
TW1 1YF 10 0

Units with street mismatches in this sector:

Unit Mapped Dominant Street OSM Object Tagged Street
TW1 1BD 4 London␣Road n8319919999 South␣Crane␣Road
TW1 1RD 1 n6908220838
TW1 1RG 4 St␣Margarets␣Road n6908220818
TW1 1RG 4 St␣Margarets␣Road n6908220836
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.