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OSM Postcode Mapping for CH45 3 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 comes from Taginfo GB. It is usually updated once a day at about 10:15 UTC, with data from about 20:30 UTC the previous day. (Current data is from 1970‑01‑01 00:00:00 Z.) The data used to compute the OSM mean position comes from the Overpass API and is updated less frequently, usually about once a week. (Current data is from 2024‑04‑10 08:21:28 Z.)

District Sector Units Geo. Units Mapped %
CH45 3 87 87 18 20.7%

All units within this sector:

Unit PQI First Seen Last Seen Street Name ML Mapped
CH45 3GH 10 0
CH45 3HA 10 Wallasey Village 5
CH45 3HB 10 Wallasey Village 4
CH45 3HD 10 0
CH45 3HE 10 Grove Road 1
CH45 3HF 10 Grove Road 2
CH45 3HG 10 0
CH45 3HH 10 0
CH45 3HJ 10 0
CH45 3HL 10 0
CH45 3HN 10 0
CH45 3HP 10 Harrison Drive 1
CH45 3HQ 10 0
CH45 3HR 10 0
CH45 3HS 10 0
CH45 3HT 10 0
CH45 3HU 10 Parkway 12
CH45 3HW 10 Grove Road 2
CH45 3HX 10 0
CH45 3HY 10 0
CH45 3HZ 10 0
CH45 3JA 10 0
CH45 3JB 10 0
CH45 3JD 10 Keswick Road 16
CH45 3JE 10 0
CH45 3JF 10 0
CH45 3JG 10 0
CH45 3JH 10 0
CH45 3JJ 10 0
CH45 3JL 10 0
CH45 3JN 10 0
CH45 3JP 10 0
CH45 3JQ 10 0
CH45 3JR 10 0
CH45 3JS 10 0
CH45 3JT 10 0
CH45 3JU 10 0
CH45 3JW 10 0
CH45 3JX 10 0
CH45 3JY 10 0
CH45 3JZ 10 0
CH45 3LA 10 0
CH45 3LD 10 0
CH45 3LE 10 Wallasey Village 2
CH45 3LF 10 0
CH45 3LG 10 Wallasey Village 2
CH45 3LH 10 0
CH45 3LJ 10 0
CH45 3LL 10 0
CH45 3LN 10 Wallasey Village 2
CH45 3LP 10 Wallasey Village 1
CH45 3LQ 10 Wallasey Village 1
CH45 3LR 10 Wallasey Village 8
CH45 3LS 10 0
CH45 3LT 10 0
CH45 3LU 10 0
CH45 3LX 10 0
CH45 3LY 10 0
CH45 3NA 10 Broadway 1
CH45 3NB 10 0
CH45 3NE 10 0
CH45 3NF 10 Saint George's Road 1
CH45 3NG 10 0
CH45 3NH 10 Claremount Road 2
CH45 3NL 10 2019‑04 0
CH45 3NN 10 0
CH45 3NP 10 0
CH45 3NQ 10 0
CH45 3NR 10 0
CH45 3NS 10 2 0
CH45 3NT 10 2 0
CH45 3NU 10 2 0
CH45 3NW 10 0
CH45 3NX 10 2 0
CH45 3NY 10 0
CH45 3NZ 10 0
CH45 3PA 10 0
CH45 3PB 10 0
CH45 3PD 10 0
CH45 3PS 10 0
CH45 3PZ 10 0
CH45 3QH 10 0
CH45 3QJ 10 0
CH45 3QL 10 0
CH45 3QN 10 0
CH45 3QP 10 0
CH45 3QQ 10 0
CH45 3QS 10 Bay View Drive 1
CH45 3QW 10 0

Units with street mismatches in this sector:

Unit Mapped Dominant Street OSM Object Tagged Street
CH45 3HA 5 Wallasey␣Village n2478954147
CH45 3HB 4 Wallasey␣Village n2478964997
CH45 3LR 8 Wallasey␣Village n2478954138 Wallasey␣VIllage
CH45 3LR 8 Wallasey␣Village n2478954140
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.