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OSM Postcode Mapping for SL9 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 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 %
SL9 0 219 215 5 2.3%

All units within this sector:

Unit Street Name PQI ML Mapped
SL9 0AA 10 0
SL9 0AB 10 0
SL9 0AD 10 0
SL9 0AE 10 0
SL9 0AF 10 0
SL9 0AG 10 0
SL9 0AH 10 0
SL9 0AJ 10 0
SL9 0AL 10 0
SL9 0AP 10 0
SL9 0AQ 10 0
SL9 0AR 10 0
SL9 0AS 10 0
SL9 0AT 10 0
SL9 0AU 10 0
SL9 0AW 10 0
SL9 0AX 10 0
SL9 0AY 10 0
SL9 0AZ 10 0
SL9 0BA 10 0
SL9 0BB 10 0
SL9 0BD 10 0
SL9 0BF 10 44 0
SL9 0BG 10 0
SL9 0BH 10 0
SL9 0BJ 10 0
SL9 0BL 10 0
SL9 0BN 10 0
SL9 0BP 10 0
SL9 0BQ 10 0
SL9 0BS 10 44 0
SL9 0BT 10 0
SL9 0BU 10 0
SL9 0BW 10 0
SL9 0BX 10 0
SL9 0BY 10 0
SL9 0BZ 10 0
SL9 0DA 10 0
SL9 0DB 10 0
SL9 0DD 10 0
SL9 0DE 10 0
SL9 0DF 10 0
SL9 0DG 10 0
SL9 0DH 10 0
SL9 0DJ 10 0
SL9 0DL 10 0
SL9 0DN 10 0
SL9 0DP 10 0
SL9 0DQ 10 0
SL9 0DR 10 0
SL9 0DS 10 0
SL9 0DU 10 0
SL9 0DW 10 0
SL9 0DX 10 0
SL9 0DY 10 0
SL9 0DZ 10 0
SL9 0EA 10 0
SL9 0EB 10 0
SL9 0ED 10 0
SL9 0EF 10 0
SL9 0EG 10 0
SL9 0EH 10 0
SL9 0EJ 10 0
SL9 0EN 10 0
SL9 0EP 10 0
SL9 0EQ 10 0
SL9 0ER 10 0
SL9 0ES 10 0
SL9 0ET 10 0
SL9 0EU 10 0
SL9 0EW Denham Lane 10 1
SL9 0EX 10 0
SL9 0EY 10 0
SL9 0EZ 10 0
SL9 0FA 10 0
SL9 0FB 10 0
SL9 0FD 10 0
SL9 0FE 10 0
SL9 0FF 10 0
SL9 0FG 10 0
SL9 0FH 10 0
SL9 0FJ 10 0
SL9 0FL 10 0
SL9 0FN 10 0
SL9 0FP 10 0
SL9 0FQ 10 0
SL9 0FR 10 0
SL9 0FS 10 0
SL9 0FT 10 0
SL9 0FU 10 0
SL9 0FW 10 0
SL9 0GA 10 0
SL9 0HA 10 0
SL9 0HB 10 0
SL9 0HD 10 0
SL9 0HE 10 0
SL9 0HF 10 0
SL9 0HG 10 0
SL9 0HH 10 0
SL9 0HJ 10 0
SL9 0HL 10 0
SL9 0HN 10 0
SL9 0HQ 10 0
SL9 0HR 10 0
SL9 0HS 10 0
SL9 0HT 10 0
SL9 0HU 10 0
SL9 0HW 10 0
SL9 0HX 10 0
SL9 0HY 10 0
SL9 0HZ 10 0
SL9 0JA 10 0
SL9 0JB 10 0
SL9 0JD 10 0
SL9 0JE 10 0
SL9 0JF 10 0
SL9 0JG 10 0
SL9 0JH 10 0
SL9 0JJ 10 0
SL9 0JL 10 0
SL9 0JP 10 0
SL9 0JQ 10 0
SL9 0JR 10 0
SL9 0JS 10 0
SL9 0JT 10 0
SL9 0JU 10 0
SL9 0JX 10 0
SL9 0JY 10 0
SL9 0JZ 10 0
SL9 0LA 10 0
SL9 0LB 10 0
SL9 0LD 10 0
SL9 0LE 10 0
SL9 0LF 10 0
SL9 0LG 10 0
SL9 0LH 10 0
SL9 0LJ 10 0
SL9 0LL 10 0
SL9 0LP 10 0
SL9 0LQ 10 0
SL9 0LR 10 0
SL9 0LS 10 0
SL9 0LT 10 0
SL9 0LU 10 0
SL9 0LW 10 0
SL9 0LX 10 0
SL9 0LY 10 0
SL9 0LZ 10 0
SL9 0NA Rickmansworth Lane 10 1
SL9 0NB 10 0
SL9 0NE 10 0
SL9 0NF 10 0
SL9 0NG 10 0
SL9 0NH 10 0
SL9 0NJ 10 0
SL9 0NL 10 0
SL9 0NN 10 0
SL9 0NP 10 0
SL9 0NQ 10 0
SL9 0NS 10 0
SL9 0NT 10 0
SL9 0NU 10 0
SL9 0NW 10 0
SL9 0NX 10 0
SL9 0NY 10 0
SL9 0NZ 10 0
SL9 0PA 10 0
SL9 0PB 10 0
SL9 0PD 10 0
SL9 0PF 10 0
SL9 0PG 10 0
SL9 0PH 10 0
SL9 0PJ 10 0
SL9 0PL 10 0
SL9 0PN 10 0
SL9 0PP 10 0
SL9 0PQ 10 0
SL9 0PR 10 0
SL9 0PS 10 0
SL9 0PT 10 0
SL9 0PU 10 0
SL9 0PW 10 0
SL9 0PX 10 0
SL9 0PY 10 0
SL9 0PZ 10 0
SL9 0QA Chalfont Park 10 2
SL9 0QD Over The Misbourne Road 10 1
SL9 0QE 10 0
SL9 0QF 10 0
SL9 0QG 10 0
SL9 0QH Denham Lane 10 1
SL9 0QJ 10 0
SL9 0QP 10 0
SL9 0QQ 10 0
SL9 0QR 10 0
SL9 0QT 10 0
SL9 0QU 10 0
SL9 0QW 10 0
SL9 0QX 10 0
SL9 0QY 10 0
SL9 0QZ 10 0
SL9 0RB 10 0
SL9 0RD 10 0
SL9 0RE 10 0
SL9 0RF 10 44 0
SL9 0RG 10 0
SL9 0RH 10 0
SL9 0RJ 10 0
SL9 0RL 10 0
SL9 0RN 10 0
SL9 0RP 10 0
SL9 0RQ 10 0
SL9 0RR 10 0
SL9 0RW 10 0
SL9 0RX 10 0
SL9 0SA 10 0
SL9 0SD 10 0
SL9 0SE 10 0
SL9 0SX 10 0
SL9 0SZ 10 0
SL9 0UN 10 0
SL9 0WA 10 44 0
SL9 0WD 10 44 0
SL9 0WQ 10 44 0
SL9 0WT 10 44 0
SL9 0WX 10 44 0
SL9 0WY 10 44 0
SL9 0XD 10 44 0
SL9 0XJ 10 44 0
SL9 0XL 10 44 0
SL9 0XS 10 44 0
SL9 0YB 10 44 0
SL9 0YH 10 44 0
SL9 0ZN 10 44 0
SL9 0ZR 10 44 0

Units with street mismatches in this sector:

No mismatches found in this sector.

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.