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OSM Postcode Mapping for CH4 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 %
CH4 0 290 290 15 5.2%

All units within this sector:

Unit PQI First Seen Last Seen Street Name ML Mapped
CH4 0AA 10 0
CH4 0AB 30 0
CH4 0AD 10 0
CH4 0AE 10 Saint David's Terrace 60
CH4 0AF 10 0
CH4 0AG 10 0
CH4 0AH 10 Maydor Avenue 28
CH4 0AJ 10 0
CH4 0AL 10 0
CH4 0AN 10 0
CH4 0AP 10 0
CH4 0AQ 10 0
CH4 0AR 10 0
CH4 0AS 10 0
CH4 0AT 10 0
CH4 0AU 10 0
CH4 0AW 10 0
CH4 0AX 10 Mainwaring Drive 1
CH4 0AY 10 0
CH4 0AZ 10 0
CH4 0BA 10 2017‑04 0
CH4 0BB 10 0
CH4 0BE 10 0
CH4 0BG 10 0
CH4 0BH 10 0
CH4 0BJ 10 0
CH4 0BL 10 0
CH4 0BN 10 Saltney Ferry Road 1
CH4 0BP 10 0
CH4 0BQ 10 0
CH4 0BR 10 0
CH4 0BS 10 0
CH4 0BT 10 0
CH4 0BU 10 0
CH4 0BW 10 0
CH4 0BX 10 0
CH4 0BY 10 0
CH4 0BZ 10 0
CH4 0DA 10 0
CH4 0DB 10 0
CH4 0DD 10 0
CH4 0DE 10 Chester Road 2
CH4 0DF 10 0
CH4 0DH 10 Chester Road 1
CH4 0DL 10 0
CH4 0DN 10 0
CH4 0DP 10 Chester Road 22
CH4 0DQ 10 0
CH4 0DR 10 0
CH4 0DS 10 0
CH4 0DT 10 0
CH4 0DU 10 0
CH4 0DW 10 0
CH4 0DX 10 0
CH4 0DY 10 0
CH4 0DZ 10 0
CH4 0EB 10 0
CH4 0ED 10 0
CH4 0EE 10 0
CH4 0EF 10 0
CH4 0EG 10 0
CH4 0EH 10 0
CH4 0EJ 10 0
CH4 0EL 10 0
CH4 0EN 10 0
CH4 0EP 10 0
CH4 0EQ 10 0
CH4 0ER 10 0
CH4 0ES 10 0
CH4 0ET 10 0
CH4 0EU 10 0
CH4 0EW 10 0
CH4 0EX 10 0
CH4 0EY 10 0
CH4 0EZ 10 0
CH4 0FA 10 0
CH4 0FB 10 0
CH4 0FD 10 0
CH4 0FE 10 0
CH4 0FF 10 0
CH4 0FG 10 0
CH4 0FH 10 0
CH4 0FL 10 0
CH4 0FN 10 0
CH4 0FP 10 0
CH4 0FQ 10 0
CH4 0FR 10 0
CH4 0FS 10 0
CH4 0FT 10 0
CH4 0FW 10 0
CH4 0FX 10 0
CH4 0FY 10 0
CH4 0FZ 10 0
CH4 0GA 10 0
CH4 0GB 10 0
CH4 0GD 10 0
CH4 0GE 10 0
CH4 0GF 10 0
CH4 0GG 10 0
CH4 0GH 10 0
CH4 0GJ 10 0
CH4 0GL 10 0
CH4 0GN 10 0
CH4 0GP 10 0
CH4 0GQ 10 0
CH4 0GX 10 0
CH4 0GY 10 0
CH4 0GZ 10 Flint Road 3
CH4 0HA 10 0
CH4 0HB 10 0
CH4 0HD 10 0
CH4 0HE 10 0
CH4 0HF 10 0
CH4 0HG 10 0
CH4 0HH 10 0
CH4 0HJ 10 0
CH4 0HL 10 0
CH4 0HN 10 0
CH4 0HP 10 0
CH4 0HQ 10 0
CH4 0HR 10 0
CH4 0HS 10 0
CH4 0HT 10 0
CH4 0HU 10 0
CH4 0HW 10 Park Crescent 1
CH4 0HX 10 0
CH4 0HY 10 0
CH4 0HZ 10 0
CH4 0JA 10 0
CH4 0JB 10 0
CH4 0JD 10 0
CH4 0JE 10 0
CH4 0JF 10 0
CH4 0JG 10 0
CH4 0JH 10 0
CH4 0JJ 10 0
CH4 0JL 10 0
CH4 0JN 10 0
CH4 0JP 10 0
CH4 0JQ 10 0
CH4 0JR 10 0
CH4 0JS 10 0
CH4 0JT 10 0
CH4 0JU 10 0
CH4 0JW 10 0
CH4 0JX 10 0
CH4 0JY 10 0
CH4 0JZ 10 Chester Road 1
CH4 0LB 10 0
CH4 0LD 10 0
CH4 0LE 10 0
CH4 0LF 10 0
CH4 0LG 10 0
CH4 0LH 10 0
CH4 0LJ 10 0
CH4 0LL 10 0
CH4 0LN 10 0
CH4 0LP 10 0
CH4 0LQ 10 0
CH4 0LR 10 0
CH4 0LS 10 0
CH4 0LT 10 0
CH4 0LU 10 0
CH4 0LW 10 0
CH4 0LX 10 0
CH4 0LY 10 0
CH4 0LZ 10 0
CH4 0NA 10 0
CH4 0NB 10 0
CH4 0ND 10 0
CH4 0NE 10 0
CH4 0NF 10 0
CH4 0NG 10 0
CH4 0NH 10 0
CH4 0NJ 10 0
CH4 0NN 10 0
CH4 0NP 10 0
CH4 0NQ 10 0
CH4 0NR 10 0
CH4 0NS 10 0
CH4 0NT 10 0
CH4 0NU 10 0
CH4 0NW 10 0
CH4 0NX 10 0
CH4 0NY 10 0
CH4 0NZ 10 0
CH4 0PA 10 0
CH4 0PB 10 0
CH4 0PD 10 0
CH4 0PE 10 0
CH4 0PF 10 0
CH4 0PG 10 0
CH4 0PH 10 0
CH4 0PJ 10 0
CH4 0PL 10 0
CH4 0PN 10 0
CH4 0PP 10 0
CH4 0PQ 10 0
CH4 0PR 10 0
CH4 0PS 10 0
CH4 0PT 10 0
CH4 0PU 10 0
CH4 0PW 10 0
CH4 0PX 10 0
CH4 0PY 10 0
CH4 0PZ 10 0
CH4 0QA 10 0
CH4 0QB 10 0
CH4 0QD 10 0
CH4 0QE 10 0
CH4 0QF 10 0
CH4 0QG 10 0
CH4 0QH 10 0
CH4 0QJ 10 0
CH4 0QL 10 0
CH4 0QN 10 Broughton Hall Road 1
CH4 0QP 10 0
CH4 0QQ 10 Broughton Hall Road 1
CH4 0QR 10 0
CH4 0QS 10 0
CH4 0QT 10 0
CH4 0QU 10 0
CH4 0QW 10 0
CH4 0QX 10 0
CH4 0QY 10 0
CH4 0QZ 10 0
CH4 0RA 10 0
CH4 0RB 10 0
CH4 0RD 10 0
CH4 0RE 10 0
CH4 0RF 10 0
CH4 0RG 10 0
CH4 0RH 10 0
CH4 0RJ 10 0
CH4 0RL 10 0
CH4 0RN 10 0
CH4 0RP 10 0
CH4 0RQ 10 0
CH4 0RR 10 0
CH4 0RS 10 0
CH4 0RT 10 0
CH4 0RU 10 0
CH4 0RW 10 0
CH4 0RX 10 0
CH4 0RY 10 0
CH4 0RZ 10 0
CH4 0SA 10 0
CH4 0SB 10 0
CH4 0SD 10 0
CH4 0SE 10 0
CH4 0SF 10 0
CH4 0SG 10 0
CH4 0SH 10 0
CH4 0SJ 10 0
CH4 0SL 10 0
CH4 0SN 10 0
CH4 0SP 10 0
CH4 0SQ 10 0
CH4 0SR 10 0
CH4 0SS 10 0
CH4 0ST 10 0
CH4 0SU 10 0
CH4 0SW 10 0
CH4 0SX 10 0
CH4 0SY 10 0
CH4 0SZ 10 0
CH4 0TA 10 0
CH4 0TB 10 0
CH4 0TD 10 0
CH4 0TE 10 0
CH4 0TF 10 0
CH4 0TG 10 0
CH4 0TH 10 0
CH4 0TJ 10 0
CH4 0TL 10 Whitley Drive 40
CH4 0TN 10 Messham Close 48
CH4 0TP 10 Beeby Way 64
CH4 0TQ 10 0
CH4 0TR 10 0
CH4 0TS 10 0
CH4 0TT 10 0
CH4 0TU 10 2021‑09 0
CH4 0TW 10 0
CH4 0XA 10 0
CH4 0XB 10 0
CH4 0XD 10 0
CH4 0YR 10 0
CH4 0YS 10 0
CH4 0YT 10 0
CH4 0YU 10 0
CH4 0YX 10 0
CH4 0YY 10 0
CH4 0ZE 10 0
CH4 0ZL 10 0

Units with street mismatches in this sector:

Unit Mapped Dominant Street OSM Object Tagged Street
CH4 0AE 60 Saint␣David's␣Terrace w392832971 St␣David's␣Terrace
CH4 0DP 22 Chester␣Road w574397131
CH4 0DP 22 Chester␣Road w45846868 Broughton␣Shopping␣Park
CH4 0DP 22 Chester␣Road w574698793
CH4 0GZ 3 Flint␣Road w523275062
CH4 0GZ 3 Flint␣Road n5094656356
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.