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OSM Postcode Mapping for CH3 9 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 %
CH3 9 215 217 38 17.5%

All units within this sector:

Unit PQI First Seen Last Seen Street Name ML Mapped
CH3 9AA 10 2022‑06 0
CH3 9AD 10 0
CH3 9AE 10 0
CH3 9AF 10 0
CH3 9AG 10 0
CH3 9AH 10 Chester Road 2
CH3 9AJ 10 0
CH3 9AL 10 0
CH3 9AN 10 0
CH3 9AP 10 0
CH3 9AQ 10 Chester Road 1
CH3 9AR 10 0
CH3 9AS 10 0
CH3 9AT 10 0
CH3 9AU 10 Whitchurch Road 1
CH3 9AX 10 0
CH3 9AY 10 Newton Lane 1
CH3 9AZ 10 0
CH3 9BA 10 0
CH3 9BB 10 0
CH3 9BD 10 0
CH3 9BE 10 0
CH3 9BF 10 0
CH3 9BG 10 Huxley Lane 2
CH3 9BH 10 Church Lane 1
CH3 9BJ 10 0
CH3 9BL 10 0
CH3 9BN 10 0
CH3 9BP 10 0
CH3 9BQ 10 0
CH3 9BR 10 0
CH3 9BS 10 0
CH3 9BT 10 0
CH3 9BU 10 0
CH3 9BW 10 0
CH3 9BX 10 0
CH3 9BY 10 0
CH3 9BZ 10 0
CH3 9DA 10 0
CH3 9DB 10 0
CH3 9DD 10 0
CH3 9DE 10 0
CH3 9DF 10 0
CH3 9DJ 10 0
CH3 9DN 10 Frog Lane 1
CH3 9DQ 10 Barton Road 1
CH3 9DR 10 0
CH3 9DS 10 0
CH3 9DT 10 0
CH3 9DU 10 0
CH3 9DW 10 0
CH3 9DX 10 0
CH3 9DY 10 0
CH3 9DZ 10 0
CH3 9EA 10 0
CH3 9EB 10 0
CH3 9ED 10 0
CH3 9EE 10 0
CH3 9EF 10 0
CH3 9EG 10 0
CH3 9EH 10 1
CH3 9EL 10 0
CH3 9EN 10 Mill Lane 1
CH3 9EP 10 0
CH3 9EQ 10 0
CH3 9ER 10 Broxton Road 1
CH3 9ES 10 0
CH3 9ET 10 0
CH3 9EU 10 0
CH3 9EW 10 0
CH3 9EX 10 0
CH3 9EY 10 0
CH3 9EZ 10 0
CH3 9FA 10 0
CH3 9FB 10 0
CH3 9FD 10 0
CH3 9FE 10 0
CH3 9FF 10 0
CH3 9FG 10 0
CH3 9FH 10 0
CH3 9FJ 10 0
CH3 9FL 10 0
CH3 9FN 10 0
CH3 9FP 10 0
CH3 9FQ 10 0
CH3 9FR 10 2022‑10 0
CH3 9FS 10 0
CH3 9FW 10 0
CH3 9FY 10 2022‑06 0
CH3 9GA 10 0
CH3 9GB 10 0
CH3 9GF 10 2022‑10 0
CH3 9HA 10 Covert Rise 3
CH3 9HB 10 0
CH3 9HD 10 0
CH3 9HE 10 0
CH3 9HF 10 0
CH3 9HG 10 0
CH3 9HJ 10 0
CH3 9HL 10 0
CH3 9HN 10 0
CH3 9HP 10 0
CH3 9HQ 10 1
CH3 9HR 10 0
CH3 9HS 10 0
CH3 9HT 10 0
CH3 9HU 10 0
CH3 9HW 10 0
CH3 9HY 10 0
CH3 9JA 10 0
CH3 9JB 10 0
CH3 9JD 10 0
CH3 9JE 10 0
CH3 9JF 10 0
CH3 9JG 10 0
CH3 9JH 10 1
CH3 9JJ 10 0
CH3 9JL 10 0
CH3 9JN 10 0
CH3 9JP 10 0
CH3 9JQ 10 0
CH3 9JR 10 0
CH3 9JS 10 0
CH3 9JT 10 0
CH3 9JU 10 0
CH3 9JW 10 Whitchurch Road 1
CH3 9JX 10 0
CH3 9JY 10 0
CH3 9JZ 10 0
CH3 9LA 10 0
CH3 9LB 10 0
CH3 9LD 10 0
CH3 9LE 10 0
CH3 9LF 10 Harthill Lane 1
CH3 9LG 10 0
CH3 9LH 10 0
CH3 9LJ 10 0
CH3 9LL 10 0
CH3 9LN 10 0
CH3 9LP 10 0
CH3 9LQ 10 0
CH3 9LR 10 0
CH3 9NA 10 0
CH3 9NB 10 0
CH3 9ND 10 0
CH3 9NE 10 0
CH3 9NF 10 0
CH3 9NG 10 0
CH3 9NH 10 0
CH3 9NJ 10 0
CH3 9NL 10 0
CH3 9NN 10 0
CH3 9NP 10 0
CH3 9NQ 10 0
CH3 9NS 10 0
CH3 9NT 10 0
CH3 9NU 10 1
CH3 9NW 10 0
CH3 9NX 10 0
CH3 9NY 10 0
CH3 9NZ 10 0
CH3 9PA 10 0
CH3 9PB 10 0
CH3 9PD 10 0
CH3 9PE 10 2019‑07 0
CH3 9PF 10 0
CH3 9PG 10 0
CH3 9PH 10 0
CH3 9PJ 10 0
CH3 9PL 10 0
CH3 9PN 10 0
CH3 9PP 10 0
CH3 9PQ 10 0
CH3 9PR 10 High Street 5
CH3 9PS 10 High Street 10
CH3 9PT 10 0
CH3 9PU 10 Rean Meadow 50
CH3 9PW 10 0
CH3 9PX 10 High Street 15
CH3 9PY 10 0
CH3 9PZ 10 0
CH3 9QA 10 0
CH3 9QB 10 0
CH3 9QD 10 0
CH3 9QE 10 0
CH3 9QF 10 Field Lane 6
CH3 9QG 10 Harding Avenue 18
CH3 9QH 10 Tattenhall Road 20
CH3 9QJ 10 Tattenhall Road 18
CH3 9QL 10 Tattenhall Road 3
CH3 9QN 10 Park Avenue 2
CH3 9QP 10 Keysbrook 40
CH3 9QQ 10 Tattenhall Road 23
CH3 9QR 10 Keysbrook 30
CH3 9QS 10 Rookery Drive 35
CH3 9QT 10 Oaklands Crescent 19
CH3 9QU 10 Oaklands Avenue 20
CH3 9QW 10 Keysbrook Avenue 4
CH3 9QX 10 Greenlands 28
CH3 9QY 10 Greenlands 27
CH3 9QZ 10 Harding Avenue 12
CH3 9RA 10 0
CH3 9RB 10 0
CH3 9RD 10 0
CH3 9RE 10 0
CH3 9RF 10 0
CH3 9RG 10 0
CH3 9RH 10 Cookes Court 7
CH3 9RJ 10 0
CH3 9RL 10 0
CH3 9SA 10 0
CH3 9SB 10 0
CH3 9SD 10 0
CH3 9SE 10 0
CH3 9SF 10 0
CH3 9SG 10 0
CH3 9SH 10 0
CH3 9SJ 10 0
CH3 9SL 10 0
CH3 9WZ 10 0
CH3 9XA 10 2013‑07 0
CH3 9ZH 10 0
CH3 9ZS 10 0

Units with street mismatches in this sector:

Unit Mapped Dominant Street OSM Object Tagged Street
CH3 9EH 1 w56257843
CH3 9HQ 1 w525155952
CH3 9JH 1 n29833162
CH3 9NU 1 n6269876979
CH3 9PR 5 High␣Street w529204338 Burwardsley␣Road
CH3 9PR 5 High␣Street w524701928 Burwardsley␣Road
CH3 9PX 15 High␣Street w1030718215 Tattenhall␣Road
CH3 9PX 15 High␣Street w1030718216 Tattenhall␣Road
CH3 9QF 6 Field␣Lane w1105899552 Burwardsley␣Road
CH3 9QT 19 Oaklands␣Crescent w818469469
CH3 9QU 20 Oaklands␣Avenue w524704007 Church␣Bank
CH3 9QU 20 Oaklands␣Avenue w870503885 Church␣Bank
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.