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OSM Postcode Mapping for CB4 0 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 %
CB4 0 50 50 49 98.0%

All units within this sector:

Unit PQI First Seen Last Seen Street Name ML Mapped
CB4 0AB 10 Cambridge Science Park 3 1
CB4 0AE 10 Milton Avenue 2
CB4 0AF 50 3 0
CB4 0AJ 10 2015‑10 0
CB4 0AP 10 Cowley Road 2
CB4 0DL 10 Cowley Road 29
CB4 0DN 10 Cowley Road 21
CB4 0DP 10 Milton Road 1
CB4 0DS 10 St John's Innovation Park 5
CB4 0DT 10 Cowley Road 1
CB4 0DW 10 Cambridge Science Park 2
CB4 0EY 10 2020‑07 Cambridge Science Park 1
CB4 0FB 10 2019‑12 Cambridge Science Park 0
CB4 0FE 10 2020‑07 Cambridge Science Park 0
CB4 0FG 10 2013‑07 0
CB4 0FH 10 2020‑07 Cambridge Science Park 0
CB4 0FJ 10 Cambridge Science Park 2
CB4 0FN 10 Cambridge Science Park 3
CB4 0FP 10 Cambridge Science Park 4
CB4 0FQ 10 2020‑07 Cambridge Science Park 0
CB4 0FR 10 2013‑07 Cambridge Science Park 0
CB4 0FW 10 Cambridge Science Park 2
CB4 0FX 10 Cambridge Science Park 2
CB4 0FY 10 Cambridge Science Park 5
CB4 0FZ 10 Cambridge Science Park 7
CB4 0GA 10 Cambridge Science Park 3
CB4 0GD 10 Cambridge Science Park 1
CB4 0GF 10 Cambridge Science Park 4
CB4 0GH 10 Cambridge Science Park 3
CB4 0GJ 10 Cambridge Science Park 1
CB4 0GL 10 0
CB4 0GN 10 Cambridge Science Park 8
CB4 0GP 10 2015‑10 Cambridge Science Park 1
CB4 0GQ 10 Cambridge Science Park 2
CB4 0GU 10 0
CB4 0GW 10 Cambridge Science Park 3 4
CB4 0GZ 10 Cambridge Science Park 6
CB4 0HB 10 0
CB4 0HD 10 0
CB4 0HE 10 0
CB4 0HH 10 Cambridge Business Park 1
CB4 0JL 50 2022‑06 Cambridge Business Park 2 1
CB4 0PE 10 Cambridge Science Park 2
CB4 0PP 10 Cowley Road 1
CB4 0PZ 10 Cambridge Science Park 2
CB4 0QA 10 Cambridge Science Park 3
CB4 0WA 10 Cambridge Science Park 5
CB4 0WB 10 Cambridge Science Park 2
CB4 0WD 10 Cambridge Science Park 2
CB4 0WE 10 Cambridge Science Park 4
CB4 0WF 10 Cambridge Science Park 1
CB4 0WG 10 Cambridge Science Park 10
CB4 0WH 10 Cambridge Science Park 2
CB4 0WN 10 Cambridge Science Park 6
CB4 0WP 10 0
CB4 0WS 10 Cowley Road 3
CB4 0WT 10 Cambridge Business Park 1
CB4 0WU 10 Cowley Road 2 1
CB4 0WW 10 Cambridge Science Park 2
CB4 0WX 10 Cowley Road 2 6
CB4 0WY 10 Cowley Road 1
CB4 0WZ 10 Cambridge Business Park 14
CB4 0XB 10 Cambridge Business Park 1
CB4 0XJ 10 2016‑10 220 0
CB4 0XL 10 Cambridge Science Park 4
CB4 0XR 10 2022‑10 Cambridge Science Park 2
CB4 0XW 10 2019‑07 220 0
CB4 0ZR 10 2013‑07 3 0
CB4 0ZT 10 St John's Innovation Park 2 1

Units with street mismatches in this sector:

Unit Mapped Dominant Street OSM Object Tagged Street
CB4 0AE 2 Milton␣Avenue w496339910 Cambridge␣Square
CB4 0DL 29 Cowley␣Road n5591269808 Cambridge␣Commercial␣Park
CB4 0DL 29 Cowley␣Road n5591269807 Cambridge␣Commercial␣Park
CB4 0DS 5 St␣John's␣Innovation␣Park w625168152
CB4 0DS 5 St␣John's␣Innovation␣Park w249922209 Cowley␣Road
CB4 0FN 3 Cambridge␣Science␣Park w48205172
CB4 0FZ 7 Cambridge␣Science␣Park w4013874 Milton␣Road
CB4 0GZ 6 Cambridge␣Science␣Park w262515298 Science␣Park
CB4 0WS 3 Cowley␣Road w263621287 St␣John's␣Innovation␣Park
CB4 0WZ 14 Cambridge␣Business␣Park n3725965718 Cowley␣Park␣Road
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.