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OSM Postcode Mapping for WD4 8 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 %
WD4 8 218 215 33 15.3%

All units within this sector:

Unit PQI First Seen Last Seen Street Name ML Mapped
WD4 8AA 10 2018‑10 0
WD4 8AB 10 High Street 3
WD4 8AD 10 0
WD4 8AE 10 2013‑07 0
WD4 8AG 10 0
WD4 8AH 10 0
WD4 8AJ 10 Hempstead Road 2
WD4 8AL 10 0
WD4 8AN 10 0
WD4 8AP 10 0
WD4 8AQ 10 150 0
WD4 8AR 10 0
WD4 8AS 10 0
WD4 8AT 10 0
WD4 8AU 10 0
WD4 8AW 10 0
WD4 8AX 10 0
WD4 8AY 10 0
WD4 8BA 10 0
WD4 8BB 10 0
WD4 8BD 10 0
WD4 8BE 10 0
WD4 8BH 10 0
WD4 8BJ 10 Hempstead Road 3
WD4 8BL 10 0
WD4 8BN 10 0
WD4 8BP 10 0
WD4 8BR 10 Hempstead Road 2
WD4 8BS 10 0
WD4 8BT 10 0
WD4 8BU 10 0
WD4 8BW 10 0
WD4 8BX 10 0
WD4 8BY 10 0
WD4 8BZ 10 0
WD4 8DA 10 0
WD4 8DB 10 0
WD4 8DD 10 0
WD4 8DE 10 0
WD4 8DF 10 0
WD4 8DG 10 0
WD4 8DH 10 0
WD4 8DJ 10 2013‑07 0
WD4 8DL 10 0
WD4 8DN 10 0
WD4 8DP 10 0
WD4 8DQ 10 1
WD4 8DR 10 0
WD4 8DS 10 0
WD4 8DT 10 0
WD4 8DU 10 0
WD4 8DW 10 0
WD4 8DY 10 0
WD4 8DZ 10 0
WD4 8EA 10 0
WD4 8EB 10 0
WD4 8ED 10 0
WD4 8EE 10 0
WD4 8EF 10 0
WD4 8EG 10 0
WD4 8EH 10 0
WD4 8EJ 10 0
WD4 8EL 10 0
WD4 8EN 10 0
WD4 8EP 10 0
WD4 8EQ 10 0
WD4 8ER 10 0
WD4 8ES 10 0
WD4 8ET 10 The Nap 1
WD4 8EU 10 0
WD4 8EW 10 0
WD4 8EX 10 0
WD4 8EY 10 0
WD4 8FF 10 0
WD4 8FG 10 0
WD4 8FH 10 0
WD4 8FJ 10 0
WD4 8FL 10 0
WD4 8FN 10 0
WD4 8FQ 10 0
WD4 8FR 10 0
WD4 8FS 10 0
WD4 8FT 10 0
WD4 8FU 10 0
WD4 8FW 10 0
WD4 8FX 10 0
WD4 8FY 10 2022‑10 0
WD4 8FZ 10 2018‑10 0
WD4 8GB 10 0
WD4 8GE 10 0
WD4 8GU 10 0
WD4 8GW 10 0
WD4 8GX 10 0
WD4 8GY 10 0
WD4 8GZ 10 0
WD4 8HA 10 0
WD4 8HB 10 0
WD4 8HD 10 0
WD4 8HE 10 Water Side 2
WD4 8HG 10 0
WD4 8HH 10 0
WD4 8HJ 10 0
WD4 8HL 10 0
WD4 8HN 10 0
WD4 8HP 10 0
WD4 8HQ 10 0
WD4 8HR 10 Primrose Hill 3
WD4 8HS 10 0
WD4 8HT 10 0
WD4 8HW 10 0
WD4 8HX 10 Primrose Hill 1
WD4 8HY 10 0
WD4 8HZ 10 0
WD4 8JA 10 0
WD4 8JB 10 0
WD4 8JE 10 0
WD4 8JF 10 0
WD4 8JH 10 0
WD4 8JJ 10 0
WD4 8JL 10 0
WD4 8JN 10 0
WD4 8JP 10 0
WD4 8JR 10 0
WD4 8JS 10 0
WD4 8JT 10 0
WD4 8JU 10 Church Lane 1
WD4 8JW 10 0
WD4 8JX 10 0
WD4 8LA 10 0
WD4 8LB 10 0
WD4 8LD 10 0
WD4 8LE 10 0
WD4 8LF 10 Station Road 2
WD4 8LG 10 Roman Gardens 37
WD4 8LH 10 0
WD4 8LL 10 Station Road 1
WD4 8LN 10 0
WD4 8LP 10 Roman Gardens 31
WD4 8LQ 10 0
WD4 8LR 10 Egg Farm Lane 3
WD4 8LS 10 0
WD4 8LT 10 0
WD4 8LU 10 Gallows Hill 1
WD4 8LW 10 1
WD4 8LX 10 0
WD4 8LY 10 0
WD4 8LZ 10 Home Park Estate 2
WD4 8NA 10 0
WD4 8NB 10 0
WD4 8ND 10 0
WD4 8NE 10 0
WD4 8NF 10 0
WD4 8NG 10 0
WD4 8NH 10 0
WD4 8NJ 10 0
WD4 8NL 10 0
WD4 8NN 10 0
WD4 8NP 10 0
WD4 8NQ 10 0
WD4 8NR 10 0
WD4 8NS 10 0
WD4 8NT 10 0
WD4 8NU 10 0
WD4 8NW 10 0
WD4 8NX 10 0
WD4 8NY 10 0
WD4 8NZ 10 0
WD4 8PA 10 0
WD4 8PB 10 0
WD4 8PG 10 0
WD4 8PH 10 0
WD4 8PJ 10 0
WD4 8PL 10 0
WD4 8PN 10 Essex Lane 1
WD4 8PP 10 Upper Highway 1
WD4 8PQ 10 0
WD4 8PR 10 0
WD4 8PS 10 0
WD4 8PT 10 0
WD4 8PU 10 0
WD4 8PX 10 0
WD4 8PY 10 0
WD4 8PZ 10 0
WD4 8QA 10 0
WD4 8QB 10 0
WD4 8QG 10 Hempstead Road 2
WD4 8QH 10 0
WD4 8QJ 10 0
WD4 8QL 10 0
WD4 8QN 10 0
WD4 8QP 10 Watford Street 1
WD4 8QQ 10 Langleybury Lane 1
WD4 8QR 10 0
WD4 8QS 10 0
WD4 8QT 10 Old Mill Road 1
WD4 8QU 10 0
WD4 8QW 10 0
WD4 8QX 10 0
WD4 8QY 10 0
WD4 8QZ 10 0
WD4 8RB 10 Old Mill Road 1
WD4 8RD 10 Old Mill Road 3
WD4 8RE 10 Bridge Road 1
WD4 8RF 10 Bridge Road 2
WD4 8RH 10 0
WD4 8RJ 10 Langleybury Lane 1
WD4 8RL 10 0
WD4 8RN 10 0
WD4 8RP 10 0
WD4 8RQ 10 0
WD4 8RR 10 0
WD4 8RS 10 Old House Lane 3
WD4 8RT 10 0
WD4 8RU 10 0
WD4 8RW 10 0
WD4 8SD 10 0
WD4 8SE 10 2021‑06 0
WD4 8SG 10 Ovaltine Drive 5
WD4 8SJ 10 0
WD4 8SL 10 0
WD4 8SS 10 0
WD4 8ST 10 Kings Park 7
WD4 8SZ 10 0
WD4 8TD 10 0
WD4 8TP 10 0
WD4 8TY 10 0
WD4 8TZ 10 150 0
WD4 8UB 10 0
WD4 8UD 10 Home Park Mill Link Road 1
WD4 8WZ 10 0
WD4 8XJ 10 0
WD4 8XP 10 0
WD4 8XQ 10 150 0
WD4 8XR 10 0
WD4 8ZN 10 0
WD4 8ZS 10 0
WD4 8ZT 10 150 0
WD4 8ZW 10 0
WD4 8ZX 10 0

Units with street mismatches in this sector:

Unit Mapped Dominant Street OSM Object Tagged Street
WD4 8DQ 1 w404710961
WD4 8HR 3 Primrose␣Hill w451045194
WD4 8LG 37 Roman␣Gardens w298443732
WD4 8LG 37 Roman␣Gardens w298443769
WD4 8LG 37 Roman␣Gardens w298443728
WD4 8LG 37 Roman␣Gardens w298443733
WD4 8LG 37 Roman␣Gardens w298443729
WD4 8LG 37 Roman␣Gardens w298443735 Station␣Road
WD4 8LG 37 Roman␣Gardens w298443730
WD4 8LG 37 Roman␣Gardens w298443737 Station␣Road
WD4 8LW 1 w220149941
WD4 8QG 2 Hempstead␣Road w215640906 Watford␣Road
WD4 8RD 3 Old␣Mill␣Road w220013148 Watford␣Road
WD4 8ST 7 Kings␣Park n4478867220 Primrose␣Hill
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.