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OSM Postcode Mapping for N4 4 Postal Sector

The circles on the map above are the postcode unit 'centriods' from Code-Point Open, 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 data may be freely used in OpenStreetMap, with the suggested source tag code-point_open

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. Only those points with a codepoint PQI less than or equal to 40 are show in 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 %
N4 4 134 132 8 6.1%

All units within this sector:

Unit Street Name PQI ML Mapped
N4 4AA 10 0
N4 4AB 10 0
N4 4AD 10 0
N4 4AE 10 0
N4 4AF 10 0
N4 4AH 10 0
N4 4AJ 10 0
N4 4AL 10 0
N4 4AN 10 0
N4 4AP Crouch Hill 10 2
N4 4AQ 10 0
N4 4AS 10 0
N4 4AT 10 0
N4 4AU 10 0
N4 4AW 10 0
N4 4BA 10 0
N4 4BB 10 0
N4 4BD 10 0
N4 4BE 10 0
N4 4BH 10 0
N4 4BJ 10 0
N4 4BL 10 0
N4 4BN 10 0
N4 4BU 10 0
N4 4BW 10 0
N4 4BX 10 0
N4 4BY Crouch Hill 10 2
N4 4DA 10 0
N4 4DD 10 0
N4 4DH 10 0
N4 4DJ 10 0
N4 4DL 10 0
N4 4DP 10 0
N4 4DR 10 0
N4 4DS Ferme Park Road 10 6
N4 4DT 10 0
N4 4DX 10 0
N4 4EA 10 0
N4 4EB 10 0
N4 4ED Ferme Park Road 10 2
N4 4EE 10 40 0
N4 4EF 10 0
N4 4EH 10 0
N4 4EJ 10 0
N4 4EL 10 0
N4 4EP 10 1
N4 4ER 10 0
N4 4EU 10 0
N4 4EX 10 0
N4 4HA 10 0
N4 4HB 10 0
N4 4HD 10 0
N4 4HH 10 0
N4 4HJ 10 0
N4 4HL 10 0
N4 4HP 10 0
N4 4HR 10 0
N4 4HU 10 0
N4 4HW 10 0
N4 4HX 10 0
N4 4JA 10 0
N4 4JB 10 0
N4 4JD 10 0
N4 4JH 10 0
N4 4JJ 10 0
N4 4JL 10 0
N4 4JP 10 0
N4 4JR 10 0
N4 4JS 10 0
N4 4JT 10 0
N4 4JU 10 0
N4 4JX 10 0
N4 4LA 10 0
N4 4LB 10 0
N4 4LD 10 0
N4 4LH 10 0
N4 4LP 10 0
N4 4LR 10 0
N4 4LS 10 0
N4 4LT 10 0
N4 4LX 10 0
N4 4NA 10 0
N4 4NB 10 0
N4 4ND 10 0
N4 4NH 10 0
N4 4NJ 10 0
N4 4NL 10 0
N4 4NP 10 0
N4 4NR 10 0
N4 4NS 10 0
N4 4NT 10 0
N4 4NU 10 0
N4 4NX 10 0
N4 4NY 10 0
N4 4PB 10 0
N4 4PD 10 0
N4 4PH Cornwall Road 10 1
N4 4PJ 10 0
N4 4PL 10 0
N4 4PP 10 0
N4 4PR 10 0
N4 4PS 10 0
N4 4PT 10 0
N4 4QA 10 0
N4 4QB 10 0
N4 4QD 10 0
N4 4QH 10 0
N4 4QJ 10 0
N4 4QL 10 0
N4 4QP Quernmore Road 10 2
N4 4QR 10 0
N4 4QS 10 0
N4 4QT 10 0
N4 4QU 10 0
N4 4QX 10 0
N4 4RA 10 0
N4 4RB 10 0
N4 4RD 10 0
N4 4RH 10 0
N4 4RJ 10 0
N4 4RL 10 0
N4 4RP 10 0
N4 4RR 10 0
N4 4RX 10 40 0
N4 4SA 10 0
N4 4SB 10 0
N4 4SE 10 0
N4 4SG 10 0
N4 4SJ 10 0
N4 4SL 10 0
N4 4SP 10 0
N4 4SR 10 0
N4 4SS 10 0
N4 4ST Mount View Road 10 1

Units with street mismatches in this sector:

Unit Mapped Dominant Street OSM Object Tagged Street
N4 4EP 1 w143213726
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.