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OSM Postcode Mapping for SL4 2 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 2024‑04‑10 08:21:28 Z.)

District Sector Units Geo. Units Mapped %
SL4 2 216 214 18 8.4%

All units within this sector:

Unit PQI First Seen Last Seen Street Name ML Mapped
SL4 2AA 10 0
SL4 2AB 10 0
SL4 2AD 10 0
SL4 2AF 10 0
SL4 2AG 10 1
SL4 2AH 10 0
SL4 2AJ 10 0
SL4 2AN 10 0
SL4 2AP 10 0
SL4 2AQ 10 0
SL4 2AR 10 0
SL4 2AS 10 0
SL4 2AW 10 0
SL4 2AX 10 Kings Road 1
SL4 2AY 10 0
SL4 2AZ 10 0
SL4 2BA 10 0
SL4 2BB 10 0
SL4 2BD 10 0
SL4 2BE 10 0
SL4 2BF 10 0
SL4 2BG 10 0
SL4 2BH 10 0
SL4 2BJ 10 0
SL4 2BL 10 0
SL4 2BQ 10 0
SL4 2BS 10 0
SL4 2BT 10 0
SL4 2BU 10 0
SL4 2BW 10 0
SL4 2BY 10 0
SL4 2BZ 10 0
SL4 2DA 10 0
SL4 2DB 10 0
SL4 2DD 10 0
SL4 2DE 10 Windsor Road 1
SL4 2DG 10 0
SL4 2DH 10 0
SL4 2DJ 10 0
SL4 2DL 10 0
SL4 2DN 10 0
SL4 2DP 10 Woodside Road 1
SL4 2DQ 10 0
SL4 2DR 10 0
SL4 2DS 10 0
SL4 2DT 10 0
SL4 2DU 10 0
SL4 2DW 10 0
SL4 2DY 10 0
SL4 2DZ 10 0
SL4 2ED 10 0
SL4 2EE 10 0
SL4 2EG 10 0
SL4 2EJ 10 0
SL4 2EL 10 0
SL4 2EN 10 0
SL4 2EP 10 0
SL4 2EQ 10 0
SL4 2ES 10 0
SL4 2ET 10 0
SL4 2EU 10 Lovel Road 1
SL4 2EW 10 0
SL4 2EX 10 0
SL4 2EY 10 0
SL4 2EZ 10 0
SL4 2FA 10 0
SL4 2FB 10 0
SL4 2FD 10 0
SL4 2FE 10 0
SL4 2FF 10 0
SL4 2GA 10 0
SL4 2HA 10 0
SL4 2HD 10 0
SL4 2HH 10 0
SL4 2HJ 10 0
SL4 2HL 10 0
SL4 2HN 10 0
SL4 2HP 10 1
SL4 2HR 10 0
SL4 2HS 10 0
SL4 2HT 10 0
SL4 2HU 10 0
SL4 2HW 10 0
SL4 2HX 10 0
SL4 2HY 10 0
SL4 2HZ 10 0
SL4 2JA 10 0
SL4 2JB 10 0
SL4 2JD 10 0
SL4 2JG 10 0
SL4 2JH 10 0
SL4 2JJ 10 Burfield Road 1
SL4 2JL 10 Windsor Road 2
SL4 2JN 10 Priest Hill 1
SL4 2JQ 10 0
SL4 2JR 10 0
SL4 2JS 10 0
SL4 2JT 10 0
SL4 2JU 10 0
SL4 2JW 10 0
SL4 2JX 10 0
SL4 2JY 10 0
SL4 2JZ 10 0
SL4 2LA 10 0
SL4 2LB 10 0
SL4 2LD 10 0
SL4 2LF 10 0
SL4 2LG 10 0
SL4 2LH 10 0
SL4 2LJ 10 0
SL4 2LL 10 0
SL4 2LN 10 0
SL4 2LP 10 0
SL4 2LQ 10 0
SL4 2LR 10 0
SL4 2LS 10 0
SL4 2LT 10 0
SL4 2LU 10 0
SL4 2LW 10 0
SL4 2LX 10 0
SL4 2LY 10 0
SL4 2LZ 10 0
SL4 2NA 10 0
SL4 2NB 10 0
SL4 2ND 10 0
SL4 2NE 10 Ashbrook Road 1
SL4 2NF 10 0
SL4 2NG 10 0
SL4 2NH 10 0
SL4 2NJ 10 0
SL4 2NP 10 0
SL4 2NQ 10 0
SL4 2NR 10 0
SL4 2NS 10 0
SL4 2NT 10 0
SL4 2NU 10 0
SL4 2NW 10 0
SL4 2NX 10 0
SL4 2NY 10 0
SL4 2NZ 10 0
SL4 2PA 10 0
SL4 2PB 10 0
SL4 2PD 10 0
SL4 2PF 10 0
SL4 2PG 10 0
SL4 2PH 10 0
SL4 2PJ 10 0
SL4 2PL 10 0
SL4 2PN 10 0
SL4 2PP 10 0
SL4 2PQ 10 0
SL4 2PR 10 0
SL4 2PS 10 0
SL4 2PT 10 0
SL4 2PU 10 0
SL4 2PW 10 0
SL4 2PX 10 0
SL4 2PY 10 0
SL4 2PZ 10 0
SL4 2QA 10 0
SL4 2QB 10 0
SL4 2QD 10 0
SL4 2QE 10 0
SL4 2QF 10 0
SL4 2QG 10 0
SL4 2QH 10 0
SL4 2QJ 10 0
SL4 2QL 10 0
SL4 2QN 10 0
SL4 2QQ 10 St Luke's Road 4
SL4 2QR 10 0
SL4 2QS 10 0
SL4 2QT 10 0
SL4 2QU 10 0
SL4 2QW 10 0
SL4 2QX 10 0
SL4 2QY 10 Crimp Hill 1
SL4 2QZ 10 Bears Rails 1
SL4 2RA 10 0
SL4 2RB 10 Burfield Road 1
SL4 2RD 10 0
SL4 2RE 10 0
SL4 2RF 10 0
SL4 2RG 10 0
SL4 2RH 10 0
SL4 2RJ 10 0
SL4 2RL 10 0
SL4 2RN 10 0
SL4 2RP 10 0
SL4 2RQ 10 Datchet Road 1
SL4 2RR 10 Straight Road 1
SL4 2RS 10 0
SL4 2RT 10 0
SL4 2RU 10 0
SL4 2RW 10 0
SL4 2RX 10 Straight Road 1
SL4 2RY 10 0
SL4 2RZ 10 0
SL4 2SA 10 0
SL4 2SB 10 0
SL4 2SD 10 0
SL4 2SE 10 0
SL4 2SG 10 0
SL4 2SH 10 Straight Road 1
SL4 2SJ 10 0
SL4 2SL 10 0
SL4 2SN 10 0
SL4 2SP 10 0
SL4 2SQ 10 0
SL4 2SR 10 0
SL4 2SS 10 0
SL4 2ST 10 0
SL4 2SY 10 0
SL4 2SZ 10 0
SL4 2WJ 10 47 0
SL4 2WT 10 2013‑07 47 0
SL4 2WX 10 47 0
SL4 2WY 10 2019‑01 47 0
SL4 2XN 10 47 0
SL4 2XP 10 2018‑10 47 0
SL4 2YS 10 2019‑01 47 0
SL4 2ZG 10 2013‑07 47 0
SL4 2ZU 10 2013‑07 47 0

Units with street mismatches in this sector:

Unit Mapped Dominant Street OSM Object Tagged Street
SL4 2AG 1 w393019323
SL4 2HP 1 w24198513
SL4 2QQ 4 St␣Luke's␣Road w504196426 Robin␣Willis␣Way
SL4 2QQ 4 St␣Luke's␣Road w504196425 Robin␣Willis␣Way
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.