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OSM Postcode Mapping for SN25 4 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 is usually updated once a day at about 10:15 UTC, with data from about 20:30 UTC the previous day. The data used to compute the OSM mean position is updated less frequently, usually about once a week.

District Sector Units Geo. Units Mapped %
SN25 4 160 157 8 5.1%

All units within this sector:

Unit PQI First Seen Last Seen Street Name ML Mapped
SN25 4AA 10 0
SN25 4AB 10 0
SN25 4AD 10 0
SN25 4AE 10 0
SN25 4AF 10 0
SN25 4AG 10 0
SN25 4AH 10 0
SN25 4AN 10 1
SN25 4AS 10 0
SN25 4AT 10 0
SN25 4AU 10 0
SN25 4BG 10 Thamesdown Drive 4
SN25 4BQ 10 0
SN25 4DL 10 Latham Road 4
SN25 4DN 10 0
SN25 4DP 10 0
SN25 4DR 10 0
SN25 4DS 10 Richardson Road 1
SN25 4DT 10 0
SN25 4DU 10 0
SN25 4DW 10 Kilby Crescent 0
SN25 4EA 10 0
SN25 4EB 10 0
SN25 4ED 10 0
SN25 4EE 10 0
SN25 4EF 10 0
SN25 4EG 10 0
SN25 4EH 10 0
SN25 4EJ 10 0
SN25 4EL 10 0
SN25 4EN 10 0
SN25 4EP 10 0
SN25 4EQ 10 0
SN25 4ER 10 0
SN25 4ES 10 0
SN25 4FA 10 0
SN25 4FB 10 0
SN25 4FD 10 0
SN25 4FJ 10 0
SN25 4FL 10 0
SN25 4FN 10 0
SN25 4FP 10 0
SN25 4FR 10 0
SN25 4FW 10 0
SN25 4FX 10 0
SN25 4FY 10 0
SN25 4FZ 10 0
SN25 4GA 10 0
SN25 4GB 10 0
SN25 4GD 10 0
SN25 4GE 10 0
SN25 4GF 10 0
SN25 4GG 10 0
SN25 4GH 10 0
SN25 4GJ 10 0
SN25 4GL 10 0
SN25 4GN 10 0
SN25 4GP 10 0
SN25 4GQ 10 0
SN25 4GR 10 0
SN25 4GS 10 0
SN25 4GT 10 0
SN25 4GU 10 0
SN25 4GW 10 0
SN25 4GX 10 0
SN25 4GY 10 Hugo Drive 1
SN25 4GZ 10 0
SN25 4QA 10 2019‑01 106 0
SN25 4SJ 10 2019‑01 106 0
SN25 4SN 10 106 0
SN25 4SQ 10 37 0
SN25 4SX 10 2019‑01 106 0
SN25 4TA 10 Elstree Way 1
SN25 4TG 10 0
SN25 4TJ 10 0
SN25 4TL 10 0
SN25 4TN 10 0
SN25 4TP 10 0
SN25 4TQ 10 0
SN25 4TR 10 0
SN25 4TS 10 0
SN25 4TT 10 0
SN25 4TU 10 0
SN25 4TW 10 0
SN25 4TX 10 0
SN25 4TY 10 0
SN25 4TZ 10 0
SN25 4UA 10 0
SN25 4UB 10 0
SN25 4UD 10 0
SN25 4UE 10 0
SN25 4UF 10 0
SN25 4UG 10 0
SN25 4UJ 10 0
SN25 4UL 10 0
SN25 4UN 10 106 0
SN25 4UQ 10 0
SN25 4UX 10 2016‑10 106 0
SN25 4UY 10 106 0
SN25 4UZ 10 37 0
SN25 4WA 10 0
SN25 4WB 10 0
SN25 4WD 10 0
SN25 4WE 10 0
SN25 4WF 10 0
SN25 4WG 10 0
SN25 4WH 10 0
SN25 4WJ 10 0
SN25 4WL 10 0
SN25 4WN 10 0
SN25 4WP 10 0
SN25 4WQ 10 0
SN25 4WR 10 0
SN25 4WS 10 0
SN25 4WT 10 0
SN25 4WU 10 0
SN25 4WX 10 0
SN25 4XA 10 0
SN25 4XB 10 0
SN25 4XD 10 0
SN25 4XE 10 0
SN25 4XF 10 0
SN25 4XG 10 0
SN25 4XH 10 0
SN25 4XJ 10 0
SN25 4XL 10 0
SN25 4XN 10 0
SN25 4XP 10 0
SN25 4XQ 10 0
SN25 4XR 10 0
SN25 4XS 10 0
SN25 4XT 10 0
SN25 4XU 10 0
SN25 4XW 10 0
SN25 4XX 10 0
SN25 4XY 10 2013‑07 0
SN25 4YA 10 0
SN25 4YB 10 0
SN25 4YD 10 Highdown Way 1
SN25 4YE 10 0
SN25 4YF 10 0
SN25 4YG 10 0
SN25 4YH 10 0
SN25 4YJ 10 0
SN25 4YL 10 0
SN25 4YN 10 0
SN25 4YP 10 0
SN25 4YQ 10 0
SN25 4YR 10 0
SN25 4YS 10 0
SN25 4YT 10 0
SN25 4YU 10 0
SN25 4YW 10 0
SN25 4YX 10 Elstree Way 5
SN25 4YZ 10 0
SN25 4ZA 10 0
SN25 4ZB 10 0
SN25 4ZD 10 0
SN25 4ZF 10 0
SN25 4ZG 10 0
SN25 4ZH 10 0
SN25 4ZJ 10 0
SN25 4ZL 10 2019‑01 106 0
SN25 4ZN 10 0
SN25 4ZP 10 0
SN25 4ZQ 10 0
SN25 4ZR 10 0
SN25 4ZS 10 37 0
SN25 4ZW 10 0

Units with street mismatches in this sector:

Unit Mapped Dominant Street OSM Object Tagged Street
SN25 4AN 1 w228445335
SN25 4BG 4 Thamesdown␣Drive w228445337
SN25 4BG 4 Thamesdown␣Drive n7514091400
SN25 4BG 4 Thamesdown␣Drive w228445336
SN25 4YX 5 Elstree␣Way n1888062406
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.