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OSM Postcode Mapping for CH42 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 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 2024‑03‑23 18:50:30 Z.)

District Sector Units Geo. Units Mapped %
CH42 1 88 88 15 17.0%

All units within this sector:

Unit PQI First Seen Last Seen Street Name ML Mapped
CH42 1AB 10 2023‑04 0
CH42 1AD 10 0
CH42 1AE 10 0
CH42 1AF 10 2023‑04 0
CH42 1AG 10 2022‑06 0
CH42 1AH 10 2022‑06 0
CH42 1LB 10 0
CH42 1LE 10 0
CH42 1LG 10 Saint Paul's Road 1
CH42 1LH 10 0
CH42 1LJ 10 0
CH42 1LL 10 0
CH42 1LQ 10 0
CH42 1LR 10 0
CH42 1LS 10 0
CH42 1LT 10 0
CH42 1LU 10 0
CH42 1LW 10 0
CH42 1LY 10 0
CH42 1NB 10 0
CH42 1NF 10 0
CH42 1NG 10 0
CH42 1NH 10 0
CH42 1NS 10 0
CH42 1NT 10 0
CH42 1NW 10 0
CH42 1NX 10 0
CH42 1NY 10 0
CH42 1NZ 10 0
CH42 1PA 10 0
CH42 1PB 10 0
CH42 1PD 10 0
CH42 1PE 10 0
CH42 1PF 10 Rock Lane East 23
CH42 1PG 10 0
CH42 1PH 10 0
CH42 1PJ 10 0
CH42 1PL 10 0
CH42 1PN 10 Dell Grove 22
CH42 1PP 10 Rock Park Road 10
CH42 1PQ 10 0
CH42 1PR 10 Delta Road East 11
CH42 1PS 10 Proctor Road 37
CH42 1PT 10 0
CH42 1PU 10 The Dell, Melville 2
CH42 1PW 10 The Dell 32
CH42 1PX 10 0
CH42 1PY 10 St Peter's Road 9
CH42 1PZ 10 0
CH42 1QA 10 0
CH42 1QB 10 0
CH42 1QD 10 0
CH42 1QE 10 0
CH42 1QF 10 0
CH42 1QG 10 0
CH42 1QH 10 Platt Grove 18
CH42 1QJ 10 0
CH42 1QL 10 0
CH42 1QN 10 0
CH42 1QP 10 0
CH42 1QQ 10 0
CH42 1QR 10 0
CH42 1QS 10 0
CH42 1QT 10 0
CH42 1QU 10 0
CH42 1QX 10 0
CH42 1QY 10 0
CH42 1QZ 10 0
CH42 1RA 10 0
CH42 1RB 10 0
CH42 1RD 10 0
CH42 1RE 10 0
CH42 1RF 10 0
CH42 1RG 10 0
CH42 1RH 10 0
CH42 1RJ 10 0
CH42 1RL 10 0
CH42 1RN 10 Delta Road West 4
CH42 1RP 10 0
CH42 1RQ 10 0
CH42 1RR 10 0
CH42 1RS 10 Peterwood 7
CH42 1RT 10 St Peter's Mews 57
CH42 1RU 10 0
CH42 1RW 10 0
CH42 1RY 10 Kirkfield Grove 44
CH42 1RZ 10 Church Mews 24
CH42 1SD 10 0
CH42 1WA 10 29 0

Units with street mismatches in this sector:

No mismatches found in this sector.

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.