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OSM Postcode Mapping for CH1 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 %
CH1 5 266 266 16 6.0%

All units within this sector:

Unit Street Name PQI ML Mapped
CH1 5AA 10 0
CH1 5AD 10 0
CH1 5AE 10 0
CH1 5AF 10 0
CH1 5AG 10 0
CH1 5AH 10 0
CH1 5AJ 10 0
CH1 5AL 10 0
CH1 5AN 10 0
CH1 5AP 10 0
CH1 5AQ 10 0
CH1 5AR 10 0
CH1 5AS 10 0
CH1 5AT 10 0
CH1 5AU 10 0
CH1 5AW 10 0
CH1 5AX 10 0
CH1 5AY 10 0
CH1 5AZ 10 0
CH1 5BA 10 0
CH1 5BB Blacon Avenue 10 1
CH1 5BD Blacon Avenue 10 2
CH1 5BE 10 0
CH1 5BF 10 0
CH1 5BG 10 0
CH1 5BH 10 0
CH1 5BJ 10 0
CH1 5BL 10 0
CH1 5BN 10 0
CH1 5BP 10 0
CH1 5BQ 10 0
CH1 5BR 10 0
CH1 5BS 10 0
CH1 5BT 10 0
CH1 5BU Blacon Avenue 10 1
CH1 5BW 10 0
CH1 5BX 10 0
CH1 5BY 10 0
CH1 5BZ 10 0
CH1 5DA 10 0
CH1 5DB Blacon 10 1
CH1 5DD 10 0
CH1 5DE 10 0
CH1 5DF 10 0
CH1 5DG 10 0
CH1 5DH 10 0
CH1 5DJ 10 0
CH1 5DL 10 0
CH1 5DN 10 0
CH1 5DP 10 0
CH1 5DQ 10 0
CH1 5DR 10 0
CH1 5DS 10 0
CH1 5DT 10 0
CH1 5DU 10 0
CH1 5DW 10 0
CH1 5DX 10 0
CH1 5DY 10 0
CH1 5DZ Norris Road 10 1
CH1 5EA 10 0
CH1 5EB 10 0
CH1 5ED 10 0
CH1 5EE 10 0
CH1 5EF 10 0
CH1 5EG 10 0
CH1 5EH 10 0
CH1 5EJ 10 0
CH1 5EL 10 0
CH1 5EN 10 0
CH1 5EP 10 0
CH1 5EQ 10 0
CH1 5ER 10 0
CH1 5ES 10 0
CH1 5ET 10 0
CH1 5EU 10 0
CH1 5EW 10 0
CH1 5EX 10 0
CH1 5EY 10 0
CH1 5EZ Saughall Road 10 1
CH1 5FA 10 0
CH1 5FB 10 0
CH1 5FD 10 0
CH1 5GA 10 0
CH1 5GB 10 0
CH1 5HA 10 0
CH1 5HB 10 0
CH1 5HD 10 0
CH1 5HE 10 0
CH1 5HF 10 0
CH1 5HG 10 0
CH1 5HH 10 0
CH1 5HJ 10 0
CH1 5HL 10 0
CH1 5HN The Parade 10 1
CH1 5HP 10 0
CH1 5HQ 10 0
CH1 5HR 10 0
CH1 5HS 10 0
CH1 5HT 10 0
CH1 5HU 10 0
CH1 5HW 10 0
CH1 5HX 10 0
CH1 5HY 10 0
CH1 5HZ 10 0
CH1 5JA 10 0
CH1 5JB 10 0
CH1 5JD 10 0
CH1 5JE 10 0
CH1 5JF 10 0
CH1 5JG Blacon 10 2
CH1 5JH Melbourne Road 10 1
CH1 5JJ 10 0
CH1 5JL 10 0
CH1 5JN 10 0
CH1 5JP 10 0
CH1 5JQ 10 0
CH1 5JR 10 0
CH1 5JS 10 0
CH1 5JT 10 0
CH1 5JU 10 0
CH1 5JW 10 0
CH1 5JX 10 0
CH1 5JY 10 0
CH1 5JZ 10 0
CH1 5LA 10 0
CH1 5LB 10 0
CH1 5LD Blacon 10 1
CH1 5LE 10 0
CH1 5LF 10 0
CH1 5LG 10 0
CH1 5LH 10 0
CH1 5LJ 10 0
CH1 5LL 10 0
CH1 5LP 10 0
CH1 5LQ 10 0
CH1 5LR 10 0
CH1 5LS 10 0
CH1 5LT 10 1
CH1 5LW 10 0
CH1 5LY 10 0
CH1 5LZ 10 0
CH1 5NA 10 0
CH1 5NB 10 0
CH1 5ND 10 0
CH1 5NE 10 0
CH1 5NF Blacon 10 1
CH1 5NG 10 0
CH1 5NJ 10 0
CH1 5NL 10 0
CH1 5NN 10 0
CH1 5NP 10 0
CH1 5NQ 10 0
CH1 5NR 10 0
CH1 5NS 10 0
CH1 5NT 10 0
CH1 5NU 10 0
CH1 5NW 10 0
CH1 5NX 10 0
CH1 5NY 10 0
CH1 5NZ 10 0
CH1 5PA 10 0
CH1 5PB 10 0
CH1 5PD 10 0
CH1 5PE 10 0
CH1 5PF 10 0
CH1 5PG 10 0
CH1 5PH 10 0
CH1 5PJ 10 0
CH1 5PL 10 0
CH1 5PN Western Avenue 10 2 2
CH1 5PP 10 0
CH1 5PQ 10 0
CH1 5PR Western Avenue 10 1
CH1 5PS 10 0
CH1 5PT 10 0
CH1 5PU 10 0
CH1 5PW 10 0
CH1 5PX 10 0
CH1 5PY 10 0
CH1 5PZ 10 0
CH1 5QB 10 0
CH1 5QD 10 0
CH1 5QE 10 0
CH1 5QF 10 0
CH1 5QH 10 0
CH1 5QJ 10 0
CH1 5QL 10 0
CH1 5QN 10 0
CH1 5QP 10 0
CH1 5QQ 10 0
CH1 5QS 10 0
CH1 5QT 10 2 0
CH1 5QW 10 0
CH1 5QX 10 0
CH1 5QY 10 0
CH1 5QZ 10 0
CH1 5RD 10 0
CH1 5RE 10 0
CH1 5RF 10 0
CH1 5RG 10 0
CH1 5RH 10 0
CH1 5RJ 10 0
CH1 5RL 10 0
CH1 5RN 10 2 0
CH1 5RP 10 0
CH1 5RQ 10 0
CH1 5RR 10 0
CH1 5RS Nevin Road 10 1
CH1 5RT 10 0
CH1 5RU 10 0
CH1 5RW 10 2 0
CH1 5RY 10 2 0
CH1 5RZ 10 2 0
CH1 5SA 10 0
CH1 5SB 10 0
CH1 5SD 10 0
CH1 5SE 10 0
CH1 5SF 10 0
CH1 5SH 10 0
CH1 5SN 10 2 0
CH1 5SR 10 0
CH1 5SS 10 0
CH1 5ST 10 0
CH1 5SU 10 0
CH1 5SW 10 2 0
CH1 5SX 10 0
CH1 5SY 10 0
CH1 5SZ 10 0
CH1 5TG 10 0
CH1 5TX 10 0
CH1 5TY 10 0
CH1 5TZ 10 0
CH1 5UA 10 0
CH1 5UB 10 0
CH1 5UD 10 0
CH1 5UE 10 0
CH1 5UF 10 0
CH1 5UG 10 0
CH1 5UH 10 0
CH1 5UJ 10 0
CH1 5UL 10 0
CH1 5UN 10 0
CH1 5UP 10 0
CH1 5UQ 10 0
CH1 5UR 10 0
CH1 5US 10 0
CH1 5UT 10 0
CH1 5UU Blacon 10 2
CH1 5UW 10 0
CH1 5UX 10 0
CH1 5UY 10 0
CH1 5UZ 10 0
CH1 5WA 10 0
CH1 5WB 10 0
CH1 5XA 10 0
CH1 5XB 10 0
CH1 5XD 10 0
CH1 5XE 10 0
CH1 5XF 10 0
CH1 5XG 10 0
CH1 5XH 10 0
CH1 5XJ 10 0
CH1 5XL 10 0
CH1 5XP 10 0
CH1 5XQ 10 0
CH1 5XT 10 0

Units with street mismatches in this sector:

Unit Mapped Dominant Street OSM Object Tagged Street
CH1 5JG 2 Blacon w302261449 Melbourneā£Road
CH1 5LT 1 w302245826
CH1 5UU 2 Blacon w258170703 Kiplingā£Road
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.