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OSM Postcode Mapping for WD3 4 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 %
WD3 4 163 161 9 5.6%

All units within this sector:

Unit PQI First Seen Last Seen Street Name ML Mapped
WD3 4AA 10 2021‑12 0
WD3 4AB 10 2021‑12 0
WD3 4AD 10 2021‑12 0
WD3 4AE 10 2021‑12 0
WD3 4AF 10 2021‑12 0
WD3 4AG 10 2021‑12 0
WD3 4AH 10 2021‑12 0
WD3 4AJ 10 2021‑12 0
WD3 4AL 10 2021‑12 0
WD3 4AN 10 2021‑12 0
WD3 4AP 10 2021‑12 0
WD3 4AQ 10 2021‑12 0
WD3 4AR 10 2021‑12 0
WD3 4AS 10 2021‑12 0
WD3 4AT 10 2021‑12 0
WD3 4AW 10 2021‑12 0
WD3 4AX 10 2021‑12 0
WD3 4AY 10 2021‑12 0
WD3 4AZ 10 2021‑12 0
WD3 4BA 10 2021‑12 0
WD3 4BB 10 2021‑12 0
WD3 4BD 10 2021‑12 0
WD3 4BE 10 2021‑12 0
WD3 4BG 10 2021‑12 0
WD3 4BH 10 2021‑12 0
WD3 4BJ 10 2021‑12 0
WD3 4BL 10 2021‑12 0
WD3 4BN 10 2021‑12 0
WD3 4BP 10 2021‑12 0
WD3 4BQ 10 2021‑12 0
WD3 4BR 10 2021‑12 0
WD3 4BS 10 2021‑12 0
WD3 4BT 10 2021‑12 Berry Lane 1
WD3 4BU 10 2021‑12 0
WD3 4BW 10 2021‑12 0
WD3 4BX 10 2021‑12 0
WD3 4BY 10 2021‑12 0
WD3 4BZ 10 2021‑12 0
WD3 4DA 10 2021‑12 0
WD3 4DB 10 2021‑12 0
WD3 4DD 10 2021‑12 0
WD3 4DE 10 2021‑12 0
WD3 4DF 10 2021‑12 Tudor Parade 1
WD3 4DH 10 2021‑12 0
WD3 4DJ 10 2021‑12 0
WD3 4DL 10 2021‑12 0
WD3 4DN 10 2021‑12 0
WD3 4DP 10 2021‑12 0
WD3 4DR 10 2021‑12 0
WD3 4DS 10 2021‑12 0
WD3 4DT 10 2021‑12 0
WD3 4DU 10 2021‑12 The Drive 1
WD3 4DW 10 2021‑12 0
WD3 4DX 10 2021‑12 0
WD3 4DY 10 2021‑12 0
WD3 4DZ 10 2021‑12 0
WD3 4EA 10 2021‑12 0
WD3 4EB 10 2021‑12 0
WD3 4ED 10 2021‑12 0
WD3 4EE 10 2021‑12 0
WD3 4EF 10 0
WD3 4EG 10 2021‑12 0
WD3 4EH 10 2021‑12 0
WD3 4EJ 10 2021‑12 0
WD3 4EL 10 2021‑12 0
WD3 4EN 10 2021‑12 0
WD3 4EP 10 2021‑12 0
WD3 4EQ 10 2021‑12 0
WD3 4ER 10 2021‑12 0
WD3 4ES 10 2021‑12 0
WD3 4ET 10 2021‑12 0
WD3 4EU 10 2021‑12 0
WD3 4EW 10 2021‑12 0
WD3 4EX 10 2021‑12 0
WD3 4EY 10 2021‑12 0
WD3 4EZ 10 2021‑12 0
WD3 4FF 10 2021‑12 0
WD3 4FR 10 2021‑12 0
WD3 4FW 10 2021‑12 0
WD3 4GA 10 0
WD3 4GX 10 2021‑12 0
WD3 4GY 10 0
WD3 4GZ 10 2021‑12 0
WD3 4HA 10 2021‑12 0
WD3 4HB 10 2021‑12 0
WD3 4HD 10 2021‑12 0
WD3 4HE 10 2021‑12 0
WD3 4HF 10 2021‑12 Rickmansworth Park 2
WD3 4HG 10 2021‑12 Loudwater Lane 1
WD3 4HH 10 2021‑12 0
WD3 4HJ 10 2021‑12 0
WD3 4HL 10 2021‑12 0
WD3 4HN 10 2021‑12 0
WD3 4HP 10 2021‑12 0
WD3 4HQ 10 2021‑12 0
WD3 4HR 10 2021‑12 0
WD3 4HS 10 2021‑12 0
WD3 4HT 10 2021‑12 0
WD3 4HU 10 2021‑12 0
WD3 4HW 10 2021‑12 0
WD3 4HX 10 2021‑12 0
WD3 4HY 10 2021‑12 0
WD3 4HZ 10 2021‑12 0
WD3 4JA 10 2021‑12 0
WD3 4JB 10 2021‑12 0
WD3 4JD 10 2021‑12 0
WD3 4JE 10 2021‑12 0
WD3 4JG 10 2021‑12 0
WD3 4JH 10 2021‑12 0
WD3 4JN 10 2021‑12 0
WD3 4JP 10 2021‑12 0
WD3 4JQ 10 2021‑12 0
WD3 4JR 10 2021‑12 0
WD3 4JS 10 2021‑12 0
WD3 4JT 10 2021‑12 0
WD3 4JU 10 2021‑12 0
WD3 4JW 10 2021‑12 0
WD3 4JX 10 2021‑12 0
WD3 4JY 10 2021‑12 0
WD3 4JZ 10 2021‑12 0
WD3 4LA 10 2021‑12 0
WD3 4LB 10 2021‑12 0
WD3 4LD 10 2021‑12 0
WD3 4LE 10 2021‑12 0
WD3 4LG 10 2021‑12 0
WD3 4LH 10 2021‑12 0
WD3 4LL 10 2021‑12 0
WD3 4LN 10 2021‑12 0
WD3 4LP 10 2021‑12 0
WD3 4LQ 10 2021‑12 0
WD3 4LR 10 2021‑12 0
WD3 4LS 10 2021‑12 0
WD3 4LT 10 2021‑12 0
WD3 4LU 10 2021‑12 Redhall Lane 1
WD3 4LW 10 2021‑12 Redheath 1
WD3 4LX 10 2021‑12 0
WD3 4LY 10 2021‑12 Fir Tree Hill 1
WD3 4LZ 10 2021‑12 0
WD3 4NA 10 2021‑12 0
WD3 4NB 10 2021‑12 0
WD3 4ND 10 2021‑12 0
WD3 4NE 10 2021‑12 0
WD3 4NF 10 2021‑12 0
WD3 4NG 10 2021‑12 0
WD3 4NH 10 2021‑12 0
WD3 4NJ 10 2021‑12 0
WD3 4NL 10 2021‑12 0
WD3 4NN 10 2021‑12 0
WD3 4NP 10 2021‑12 Dunny Lane 1
WD3 4NQ 10 2021‑12 0
WD3 4NR 10 2021‑12 0
WD3 4NS 10 2021‑12 0
WD3 4NT 10 2021‑12 0
WD3 4NU 10 2021‑12 0
WD3 4NX 10 2021‑12 0
WD3 4NY 10 2021‑12 0
WD3 4PA 10 2021‑12 0
WD3 4PB 10 2021‑12 0
WD3 4PD 10 2021‑12 0
WD3 4PQ 10 2021‑12 0
WD3 4PT 10 2021‑12 0
WD3 4QP 10 2021‑12 0
WD3 4RD 10 2021‑12 0
WD3 4RH 10 0
WD3 4TG 10 2021‑12 0
WD3 4WA 10 2013‑07 0
WD3 4WF 10 2015‑10 0
WD3 4WZ 10 0
WD3 4XA 10 2021‑09 65 0
WD3 4XR 10 2021‑12 65 0
WD3 4ZJ 10 2021‑12 65 0

Units with street mismatches in this sector:

Unit Mapped Dominant Street OSM Object Tagged Street
WD3 4HF 2 Rickmansworth‚ź£Park w46798417 Chorleywood‚ź£Road
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.