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 2024‑03‑15 09:28:40 Z.)
District | Sector | Units | Geo. Units | Mapped | % |
---|---|---|---|---|---|
L23 | 3 | 51 | 49 | 3 | 6.1% |
All units within this sector:
Unit | PQI | First Seen | Last Seen | Street Name | ML | Mapped |
---|---|---|---|---|---|---|
L23 3AD | 10 | 0 | ||||
L23 3AE | 10 | 0 | ||||
L23 3AF | 10 | 0 | ||||
L23 3AG | 10 | 0 | ||||
L23 3AH | 10 | 0 | ||||
L23 3AJ | 10 | 0 | ||||
L23 3AL | 10 | 0 | ||||
L23 3AN | 10 | 0 | ||||
L23 3AP | 10 | 0 | ||||
L23 3AQ | 10 | 0 | ||||
L23 3AR | 10 | 0 | ||||
L23 3AS | 10 | College Road | 1 | |||
L23 3AT | 10 | 0 | ||||
L23 3AW | 10 | 0 | ||||
L23 3AX | 10 | 0 | ||||
L23 3AY | 10 | 0 | ||||
L23 3AZ | 10 | 0 | ||||
L23 3BA | 10 | 0 | ||||
L23 3BB | 10 | 0 | ||||
L23 3BD | 10 | 0 | ||||
L23 3BE | 10 | 0 | ||||
L23 3BG | 10 | 0 | ||||
L23 3BJ | 10 | 0 | ||||
L23 3BN | 10 | 0 | ||||
L23 3BP | 10 | 0 | ||||
L23 3BQ | 10 | 0 | ||||
L23 3BR | 10 | 0 | ||||
L23 3BS | 10 | 0 | ||||
L23 3BT | 10 | 0 | ||||
L23 3BU | 10 | 0 | ||||
L23 3BW | 10 | 0 | ||||
L23 3BX | 10 | 0 | ||||
L23 3BY | 10 | 0 | ||||
L23 3BZ | 10 | 0 | ||||
L23 3DA | 10 | 0 | ||||
L23 3DB | 10 | 0 | ||||
L23 3DD | 10 | 0 | ||||
L23 3DE | 10 | 0 | ||||
L23 3DF | 10 | 0 | ||||
L23 3DG | 10 | 0 | ||||
L23 3DH | 10 | 0 | ||||
L23 3DJ | 10 | 0 | ||||
L23 3DL | 10 | 0 | ||||
L23 3DN | 10 | 0 | ||||
L23 3DP | 10 | College Road | 6 | |||
L23 3DQ | 10 | 0 | ||||
L23 3DR | 10 | 0 | ||||
L23 3DS | 10 | College Road | 1 | |||
L23 3DW | 10 | 0 | ||||
L23 3WA | 10 | 0 | ||||
L23 3WB | 10 | 2018‑04 | 23 | 0 | ||
L23 3WD | 10 | 2017‑10 | 23 | 0 | ||
L23 3WZ | 10 | 2013‑07 | 0 | |||
L23 3YW | 10 | 2023‑10 | 23 | 0 | ||
L23 3YX | 10 | 23 | 0 |
Units with street mismatches in this sector:
No mismatches found in this sector.