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 | % |
---|---|---|---|---|---|
L21 | 8 | 91 | 91 | 5 | 5.5% |
All units within this sector:
Unit | PQI | First Seen | Last Seen | Street Name | ML | Mapped |
---|---|---|---|---|---|---|
L21 8HD | 10 | 0 | ||||
L21 8HE | 10 | 0 | ||||
L21 8HG | 10 | 0 | ||||
L21 8HH | 10 | 0 | ||||
L21 8HJ | 10 | 0 | ||||
L21 8HL | 10 | 0 | ||||
L21 8HN | 10 | 0 | ||||
L21 8HQ | 10 | 0 | ||||
L21 8HS | 10 | 0 | ||||
L21 8HT | 10 | 0 | ||||
L21 8HU | 10 | 0 | ||||
L21 8HW | 10 | 0 | ||||
L21 8HX | 10 | 0 | ||||
L21 8HY | 10 | Pennington Road | 1 | |||
L21 8HZ | 10 | 0 | ||||
L21 8JA | 10 | 0 | ||||
L21 8JB | 10 | 0 | ||||
L21 8JD | 10 | 0 | ||||
L21 8JE | 10 | 0 | ||||
L21 8JF | 10 | 0 | ||||
L21 8JG | 10 | 0 | ||||
L21 8JH | 10 | Webster Street | 1 | |||
L21 8JN | 10 | 0 | ||||
L21 8JP | 10 | 0 | ||||
L21 8JQ | 10 | 0 | ||||
L21 8JS | 10 | 0 | ||||
L21 8JT | 10 | 0 | ||||
L21 8JU | 10 | 0 | ||||
L21 8JW | 10 | 0 | ||||
L21 8JX | 10 | 0 | ||||
L21 8JY | 10 | 0 | ||||
L21 8JZ | 10 | 0 | ||||
L21 8LA | 10 | 0 | ||||
L21 8LB | 10 | 0 | ||||
L21 8LD | 10 | 0 | ||||
L21 8LF | 10 | 0 | ||||
L21 8LH | 10 | 0 | ||||
L21 8LL | 10 | 0 | ||||
L21 8LN | 10 | 0 | ||||
L21 8LP | 10 | 0 | ||||
L21 8LQ | 10 | 0 | ||||
L21 8LR | 10 | 0 | ||||
L21 8LS | 10 | 0 | ||||
L21 8LT | 10 | 0 | ||||
L21 8LU | 10 | 0 | ||||
L21 8LW | 10 | 0 | ||||
L21 8LY | 10 | 0 | ||||
L21 8LZ | 10 | 0 | ||||
L21 8NA | 10 | 0 | ||||
L21 8NB | 10 | 0 | ||||
L21 8ND | 10 | 0 | ||||
L21 8NE | 10 | 0 | ||||
L21 8NF | 10 | 0 | ||||
L21 8NG | 10 | 0 | ||||
L21 8NH | 10 | 0 | ||||
L21 8NJ | 10 | 0 | ||||
L21 8NN | 10 | 25 | 0 | |||
L21 8NP | 10 | 0 | ||||
L21 8NQ | 10 | 0 | ||||
L21 8NR | 10 | 0 | ||||
L21 8NS | 10 | 0 | ||||
L21 8NT | 10 | 0 | ||||
L21 8NU | 10 | 0 | ||||
L21 8NW | 10 | 0 | ||||
L21 8NZ | 10 | Church Road | 2 | |||
L21 8PA | 10 | St Philips Avenue | 1 | |||
L21 8PB | 10 | 0 | ||||
L21 8PD | 10 | St Philips Avenue | 1 | |||
L21 8PE | 10 | 0 | ||||
L21 8PF | 10 | 0 | ||||
L21 8PG | 10 | 0 | ||||
L21 8PH | 10 | 0 | ||||
L21 8PJ | 10 | 0 | ||||
L21 8PN | 10 | 0 | ||||
L21 8PP | 10 | 0 | ||||
L21 8PQ | 10 | 0 | ||||
L21 8PR | 10 | 0 | ||||
L21 8PS | 10 | 0 | ||||
L21 8PT | 10 | 0 | ||||
L21 8PW | 10 | 0 | ||||
L21 8PY | 10 | 2013‑07 | 25 | 0 | ||
L21 8QB | 10 | 0 | ||||
L21 8QE | 10 | 0 | ||||
L21 8QG | 10 | 0 | ||||
L21 8QP | 10 | 0 | ||||
L21 8QR | 10 | 0 | ||||
L21 8QS | 10 | 2021‑12 | 0 | |||
L21 8QT | 10 | 2021‑12 | 0 | |||
L21 8QU | 10 | 2021‑12 | 0 | |||
L21 8QW | 10 | 0 | ||||
L21 8QX | 10 | 2021‑12 | 0 | |||
L21 8QY | 10 | 2021‑12 | 0 | |||
L21 8QZ | 10 | 2021‑12 | 0 |
Units with street mismatches in this sector:
No mismatches found in this sector.