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OSM Postcode Mapping for CA3 8 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 %
CA3 8 106 104 60 57.7%

All units within this sector:

Unit PQI First Seen Last Seen Street Name ML Mapped
CA3 8AB 10 0
CA3 8AD 10 0
CA3 8AG 10 0
CA3 8AH 10 2021‑12 Victoria Viaduct 0
CA3 8AJ 10 Victoria Viaduct 1
CA3 8AN 10 Victoria Viaduct 2 4
CA3 8AP 10 0
CA3 8AQ 10 Heads' Lane 1
CA3 8AS 10 0
CA3 8AU 10 0
CA3 8BB 10 0
CA3 8DA 10 Lowther Street 7
CA3 8DB 10 0
CA3 8DG 10 0
CA3 8DH 10 Lowther Street 4
CA3 8DP 10 Lowther Street 5
CA3 8DR 10 0
CA3 8DU 10 2018‑04 0
CA3 8DW 10 2013‑07 0
CA3 8DX 10 0
CA3 8DY 10 2019‑12 0
CA3 8ED 10 Lowther Street 3
CA3 8EE 10 Lowther Street 2 1
CA3 8EF 10 Lowther Street 1
CA3 8EJ 10 Lowther Street 4
CA3 8EL 10 2019‑12 Lowther Street 1
CA3 8EN 10 2 0
CA3 8EP 10 Lowther Street 1
CA3 8EQ 10 Lowther Street 2
CA3 8ES 10 Lowther Street 4
CA3 8EU 10 Bank Street 4
CA3 8EW 10 0
CA3 8EZ 10 Victoria Viaduct 2 2
CA3 8GT 10 2018‑10 34 0
CA3 8HB 10 0
CA3 8HE 10 Bank Street 1
CA3 8HG 10 Bank Street 2
CA3 8HJ 10 Bank Street 3
CA3 8HP 10 English Street 3
CA3 8HS 10 English Street 3
CA3 8HU 10 English Street 1
CA3 8HX 10 English Street 2
CA3 8HZ 10 English Street 1
CA3 8JA 10 Castle Street 1
CA3 8JE 10 Green Market 4
CA3 8JF 10 St Albans Row 2
CA3 8JG 10 2017‑01 0
CA3 8JR 10 0
CA3 8JU 10 English Street 3
CA3 8JW 10 English Street 4
CA3 8JX 10 English Street 2
CA3 8JY 10 English Street 2
CA3 8JZ 10 English Street 1
CA3 8LE 10 Old Post Office Court 1
CA3 8LF 10 0
CA3 8LG 10 Devonshire Street 4
CA3 8LP 10 Devonshire Street 4
CA3 8LQ 10 0
CA3 8LU 10 English Street 1
CA3 8LX 10 Lowther Arcade 2
CA3 8LZ 10 2023‑10 0
CA3 8NA 10 0
CA3 8ND 10 English Street 2
CA3 8NF 10 English Street 2
CA3 8NH 10 Grapes Lane 0
CA3 8NR 10 2022‑07 0
CA3 8NS 10 0
CA3 8NT 10 Scotch Street 1
CA3 8NX 10 Globe Lane 4
CA3 8PD 10 Scotch Street 2
CA3 8PL 10 0
CA3 8PN 10 Scotch Street 6
CA3 8PT 10 Scotch Street 4
CA3 8PU 10 2
CA3 8PW 10 0
CA3 8PX 10 Scotch Street 2
CA3 8PY 10 Scotch Street 4
CA3 8QF 10 2013‑07 0
CA3 8QG 10 Rickergate 2 1
CA3 8QH 10 Rickergate 1
CA3 8QJ 10 Market Street 2
CA3 8QP 10 0
CA3 8QT 10 West Tower Street 4
CA3 8QW 10 0
CA3 8QX 10 Scotch Street 0
CA3 8QZ 10 0
CA3 8RE 10 0
CA3 8RF 10 Fisher Street 1
CA3 8RH 10 Fisher Street 1
CA3 8RJ 10 2018‑07 0
CA3 8RL 10 34 0
CA3 8RN 10 Fisher Street 2
CA3 8RQ 10 2 0
CA3 8RR 10 0
CA3 8RW 10 0
CA3 8RX 10 2 0
CA3 8RY 10 Carlyle's Court 4
CA3 8SL 10 Castle Street 1
CA3 8SQ 10 0
CA3 8SW 10 0
CA3 8SY 10 Castle Street 9
CA3 8TA 10 0
CA3 8TB 10 0
CA3 8TD 10 2019‑04 0
CA3 8TF 10 2013‑07 0
CA3 8TJ 10 2019‑12 0
CA3 8TP 10 Castle Street 5
CA3 8TS 10 2013‑07 0
CA3 8TT 10 Paternoster Row 6
CA3 8TX 10 Abbey Street 5
CA3 8TZ 10 0
CA3 8UB 10 0
CA3 8UE 10 2015‑10 0
CA3 8UF 10 0
CA3 8UH 10 0
CA3 8UL 10 2017‑04 0
CA3 8UR 10 The Castle 1
CA3 8UU 10 0
CA3 8UY 10 0
CA3 8UZ 10 0
CA3 8XA 10 0
CA3 8XB 10 0
CA3 8XD 10 0
CA3 8XL 10 2017‑04 0
CA3 8XP 10 0
CA3 8YE 10 34 0
CA3 8ZT 10 0

Units with street mismatches in this sector:

Unit Mapped Dominant Street OSM Object Tagged Street
CA3 8EJ 4 Lowther␣Street n3586012500 Globe␣Lane
CA3 8JF 2 St␣Albans␣Row n3585938321 Scotch␣Street
CA3 8JU 3 English␣Street n443394354 Bank␣Street
CA3 8NX 4 Globe␣Lane n3385076611 Grapes␣Lane
CA3 8NX 4 Globe␣Lane n3583617017 The␣Lanes␣Shopping␣Centre
CA3 8PU 2 n7861011486
CA3 8PU 2 n1912139656
CA3 8RY 4 Carlyle's␣Court n3587568996 Fisher␣Street
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.