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OSM Postcode Mapping for SL4 5 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 %
SL4 5 252 249 13 5.2%

All units within this sector:

Unit PQI First Seen Last Seen Street Name ML Mapped
SL4 5AA 10 2021‑12 0
SL4 5AB 10 2021‑12 0
SL4 5AD 10 2021‑12 0
SL4 5AE 10 2021‑12 0
SL4 5AF 10 2021‑12 0
SL4 5AH 10 2021‑12 0
SL4 5AL 10 2021‑12 0
SL4 5AN 10 2021‑12 Clarence Road 1
SL4 5AP 10 2021‑12 0
SL4 5AQ 10 2021‑12 0
SL4 5AR 10 2021‑12 0
SL4 5AS 10 2021‑12 0
SL4 5AT 10 2021‑12 0
SL4 5AU 10 2021‑12 0
SL4 5AW 10 2021‑12 0
SL4 5AX 10 2021‑12 0
SL4 5AY 10 2021‑12 0
SL4 5AZ 10 2021‑12 0
SL4 5BA 10 0
SL4 5BB 10 2021‑12 0
SL4 5BD 10 2021‑12 0
SL4 5BE 10 2021‑12 0
SL4 5BG 10 2021‑12 0
SL4 5BH 10 2021‑12 0
SL4 5BJ 10 2013‑07 0
SL4 5BL 10 2021‑12 0
SL4 5BN 10 41 0
SL4 5BP 10 2021‑12 0
SL4 5BQ 10 2021‑12 0
SL4 5BS 10 2021‑12 0
SL4 5BT 10 2021‑12 0
SL4 5BU 10 2021‑12 0
SL4 5BW 10 2021‑12 0
SL4 5BX 10 2021‑12 0
SL4 5BY 10 2021‑12 0
SL4 5BZ 10 2021‑12 0
SL4 5DA 10 2021‑12 0
SL4 5DB 10 2021‑12 0
SL4 5DD 10 2021‑12 1
SL4 5DF 10 2021‑12 Vansittart Road 1
SL4 5DG 10 2021‑12 0
SL4 5DH 10 2021‑12 0
SL4 5DJ 10 2021‑12 0
SL4 5DL 10 2021‑12 0
SL4 5DP 10 2021‑12 0
SL4 5DQ 10 2021‑12 0
SL4 5DR 10 2021‑12 Vansittart Road 1
SL4 5DS 10 2021‑12 0
SL4 5DT 10 2021‑12 0
SL4 5DU 10 2021‑12 0
SL4 5DX 10 2021‑12 0
SL4 5DY 10 2021‑12 0
SL4 5EA 10 2021‑12 0
SL4 5EB 10 2021‑12 0
SL4 5ED 10 2021‑12 0
SL4 5EG 10 2021‑12 0
SL4 5EH 10 2021‑12 Maidenhead Road 1
SL4 5EJ 10 2021‑12 0
SL4 5EL 10 2021‑12 0
SL4 5EN 10 2021‑12 Parsonage Lane 2
SL4 5EP 10 2021‑12 0
SL4 5EQ 10 2021‑12 0
SL4 5ER 10 2021‑12 0
SL4 5ES 10 2021‑12 0
SL4 5ET 10 2021‑12 0
SL4 5EU 10 2021‑12 0
SL4 5EW 10 2021‑12 0
SL4 5EX 10 2021‑12 0
SL4 5EY 10 2021‑12 0
SL4 5EZ 10 2021‑12 0
SL4 5FA 10 2021‑12 41 0
SL4 5FF 10 2021‑12 0
SL4 5FG 10 2021‑12 0
SL4 5FN 10 2021‑12 0
SL4 5FQ 10 2021‑12 0
SL4 5FU 10 41 0
SL4 5FW 10 2021‑12 0
SL4 5FY 10 2021‑12 0
SL4 5FZ 10 2021‑12 0
SL4 5GD 10 2021‑12 Millstream 1
SL4 5GE 10 2021‑12 0
SL4 5GF 10 2021‑12 0
SL4 5GG 10 2021‑12 0
SL4 5GL 10 2021‑12 0
SL4 5GN 10 2021‑12 0
SL4 5GP 10 2021‑12 0
SL4 5GQ 10 2021‑12 0
SL4 5GR 10 2021‑12 0
SL4 5GS 10 2021‑12 0
SL4 5GW 10 2021‑12 0
SL4 5HA 10 2021‑12 0
SL4 5HB 10 2021‑12 0
SL4 5HD 10 2021‑12 0
SL4 5HE 10 2021‑12 0
SL4 5HF 10 2021‑12 0
SL4 5HG 10 2021‑12 0
SL4 5HJ 10 2021‑12 0
SL4 5HL 10 2021‑12 0
SL4 5HN 10 2021‑12 0
SL4 5HP 10 2021‑12 0
SL4 5HQ 10 2021‑12 Maindenhead Road 1
SL4 5HS 10 2021‑12 0
SL4 5HT 10 2021‑12 Maidenhead Road 1
SL4 5HU 10 2021‑12 0
SL4 5HW 10 2021‑12 0
SL4 5HZ 10 2021‑12 0
SL4 5JA 10 2021‑12 0
SL4 5JB 10 2021‑12 0
SL4 5JD 10 2021‑12 0
SL4 5JE 10 2021‑12 0
SL4 5JF 10 2021‑12 0
SL4 5JG 10 2021‑12 0
SL4 5JH 10 2021‑12 0
SL4 5JJ 10 2021‑12 0
SL4 5JL 10 2021‑12 0
SL4 5JN 10 2021‑12 0
SL4 5JQ 10 2021‑12 0
SL4 5JR 10 2021‑12 1
SL4 5JS 10 2021‑12 0
SL4 5JT 10 2021‑12 0
SL4 5JY 10 2021‑12 0
SL4 5JZ 10 2021‑12 0
SL4 5LA 10 2021‑12 0
SL4 5LB 10 2021‑12 0
SL4 5LD 10 2021‑12 0
SL4 5LE 10 2021‑12 0
SL4 5LG 10 2021‑12 0
SL4 5LH 10 2021‑12 0
SL4 5LJ 10 2021‑12 0
SL4 5LP 10 2021‑12 0
SL4 5LQ 10 2021‑12 0
SL4 5LR 10 2021‑12 0
SL4 5LS 10 2021‑12 0
SL4 5LT 10 2021‑12 0
SL4 5LU 10 2021‑12 0
SL4 5LW 10 2021‑12 0
SL4 5LX 10 2021‑12 0
SL4 5LY 10 2021‑12 0
SL4 5LZ 10 2021‑12 0
SL4 5NA 10 2021‑12 0
SL4 5NB 10 2021‑12 0
SL4 5ND 10 2021‑12 0
SL4 5NE 10 2021‑12 0
SL4 5NF 10 2021‑12 0
SL4 5NG 10 2021‑12 0
SL4 5NH 10 2021‑12 0
SL4 5NJ 10 2018‑01 0
SL4 5NL 10 2021‑12 0
SL4 5NN 10 2021‑12 0
SL4 5NP 10 2021‑12 0
SL4 5NQ 10 2021‑12 0
SL4 5NR 10 2021‑12 0
SL4 5NS 10 2021‑12 0
SL4 5NT 10 2021‑12 0
SL4 5NU 10 2021‑12 0
SL4 5NW 10 2021‑12 0
SL4 5NX 10 2021‑12 0
SL4 5NZ 10 2021‑12 0
SL4 5PA 10 2021‑12 0
SL4 5PD 10 2021‑12 0
SL4 5PE 10 2021‑12 Smiths Lane 2
SL4 5PF 10 2021‑12 0
SL4 5PG 10 2021‑12 0
SL4 5PH 10 2021‑12 0
SL4 5PJ 10 2021‑12 0
SL4 5PL 10 2021‑12 0
SL4 5PN 10 2021‑12 0
SL4 5PP 10 2021‑12 0
SL4 5PQ 10 2021‑12 0
SL4 5PR 10 2021‑12 0
SL4 5PS 10 2021‑12 0
SL4 5PT 10 2021‑12 0
SL4 5PU 10 2021‑12 0
SL4 5PW 10 2021‑12 0
SL4 5PX 10 2021‑12 0
SL4 5PY 10 2021‑12 0
SL4 5PZ 10 2021‑12 0
SL4 5QA 10 2021‑12 0
SL4 5QB 10 2021‑12 0
SL4 5QD 10 2021‑12 0
SL4 5QE 10 2021‑12 0
SL4 5QN 10 2021‑12 0
SL4 5QP 10 2021‑12 0
SL4 5QR 10 2021‑12 0
SL4 5QS 10 2021‑12 0
SL4 5QT 10 2021‑12 0
SL4 5QU 10 2021‑12 0
SL4 5QW 10 2021‑12 0
SL4 5QX 10 2021‑12 0
SL4 5QY 10 2021‑12 0
SL4 5QZ 10 2021‑12 0
SL4 5RA 10 2021‑12 0
SL4 5RB 10 2021‑12 0
SL4 5RD 10 2021‑12 0
SL4 5RE 10 2021‑12 0
SL4 5RF 10 2021‑12 0
SL4 5RG 10 2021‑12 0
SL4 5RH 10 2021‑12 0
SL4 5RJ 10 2021‑12 0
SL4 5RL 10 2021‑12 Testwood Road 1
SL4 5RN 10 2021‑12 0
SL4 5RP 10 2021‑12 0
SL4 5RQ 10 2021‑12 0
SL4 5RR 10 2021‑12 0
SL4 5RS 10 2021‑12 0
SL4 5RT 10 2021‑12 0
SL4 5RW 10 2021‑12 0
SL4 5SE 10 2021‑12 0
SL4 5SF 10 2021‑12 0
SL4 5SG 10 2021‑12 0
SL4 5SH 10 2021‑12 0
SL4 5SJ 10 2021‑12 0
SL4 5SL 10 2021‑12 0
SL4 5SN 10 2021‑12 0
SL4 5SP 10 2021‑12 0
SL4 5SQ 10 2021‑12 0
SL4 5SR 10 2017‑04 0
SL4 5SS 10 2021‑12 0
SL4 5ST 10 2021‑12 0
SL4 5SU 10 2021‑12 0
SL4 5SW 10 2021‑12 0
SL4 5SX 10 2021‑12 0
SL4 5SY 10 2021‑12 0
SL4 5SZ 10 2021‑12 0
SL4 5TA 10 2021‑12 0
SL4 5TB 10 2021‑12 0
SL4 5TD 10 2021‑12 0
SL4 5TE 10 2021‑12 0
SL4 5TF 10 41 0
SL4 5TG 10 2021‑12 0
SL4 5TH 10 2021‑12 0
SL4 5TJ 10 2021‑12 0
SL4 5TL 10 2021‑12 0
SL4 5TN 10 2021‑12 0
SL4 5TP 10 2021‑12 0
SL4 5TQ 10 2020‑04 0
SL4 5TR 10 2021‑12 0
SL4 5TS 10 2021‑12 0
SL4 5TT 10 2021‑12 0
SL4 5TU 10 2021‑12 0
SL4 5TW 10 2021‑12 0
SL4 5TX 10 2021‑12 0
SL4 5TY 10 2021‑12 0
SL4 5TZ 10 2021‑12 0
SL4 5UA 10 2021‑12 0
SL4 5UB 10 2021‑12 0
SL4 5UD 10 2021‑12 0
SL4 5UF 10 2021‑12 0
SL4 5UG 10 2021‑12 0
SL4 5UJ 10 2021‑12 0
SL4 5UL 10 2021‑12 0
SL4 5UN 10 2021‑12 0
SL4 5UP 10 2021‑12 0
SL4 5UQ 10 2021‑12 0
SL4 5UR 10 2021‑12 Windsor Road 2
SL4 5UT 10 2021‑12 0
SL4 5UU 10 2021‑12 0
SL4 5UW 10 2021‑12 0
SL4 5WL 10 2013‑07 41 0
SL4 5WN 10 41 0
SL4 5WQ 10 2019‑01 41 0
SL4 5WU 10 41 0
SL4 5WW 10 41 0
SL4 5XD 10 41 0
SL4 5YN 10 2020‑12 41 0
SL4 5YT 10 2019‑01 41 0
SL4 5ZJ 10 2021‑12 41 0
SL4 5ZP 10 2019‑01 41 0
SL4 5ZR 10 2021‑12 41 0
SL4 5ZW 10 2019‑01 41 0

Units with street mismatches in this sector:

Unit Mapped Dominant Street OSM Object Tagged Street
SL4 5DD 1 n2311646830
SL4 5GD 1 Millstream w78355623
SL4 5JR 1 w170218865
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.