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OSM Postcode Mapping for DA1 4 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 %
DA1 4 216 215 6 2.8%

All units within this sector:

Unit PQI First Seen Last Seen Street Name ML Mapped
DA1 4AA 10 0
DA1 4AB 10 0
DA1 4AD 10 0
DA1 4AE 10 0
DA1 4AF 10 0
DA1 4AG 10 0
DA1 4AL 10 1
DA1 4AN 10 0
DA1 4AP 10 0
DA1 4AQ 10 0
DA1 4AS 10 0
DA1 4AT 10 0
DA1 4AU 10 0
DA1 4AW 10 0
DA1 4AY 10 0
DA1 4AZ 10 0
DA1 4BA 10 0
DA1 4BB 10 0
DA1 4BD 10 0
DA1 4BE 10 0
DA1 4BF 10 0
DA1 4BG 10 0
DA1 4BH 10 0
DA1 4BL 10 0
DA1 4BN 10 0
DA1 4BS 10 0
DA1 4BT 10 0
DA1 4BU 10 0
DA1 4BW 10 0
DA1 4BX 10 0
DA1 4BY 10 0
DA1 4BZ 10 0
DA1 4DA 10 0
DA1 4DB 10 0
DA1 4DD 10 0
DA1 4DE 10 0
DA1 4DF 10 0
DA1 4DG 10 0
DA1 4DH 10 0
DA1 4DJ 10 0
DA1 4DL 10 0
DA1 4DN 10 0
DA1 4DP 10 0
DA1 4DQ 10 0
DA1 4DR 10 0
DA1 4DS 10 0
DA1 4DT 10 0
DA1 4DW 10 0
DA1 4DX 10 2013‑07 0
DA1 4DY 10 0
DA1 4DZ 10 Old Road 2
DA1 4EA 10 0
DA1 4EB 10 0
DA1 4EF 10 0
DA1 4EJ 10 0
DA1 4EL 10 0
DA1 4EP 10 0
DA1 4ER 10 0
DA1 4ES 10 0
DA1 4ET 10 0
DA1 4EU 10 0
DA1 4EX 10 0
DA1 4FA 10 0
DA1 4FB 10 0
DA1 4FD 10 0
DA1 4FE 10 0
DA1 4FF 10 0
DA1 4FG 10 0
DA1 4FH 10 0
DA1 4FJ 10 0
DA1 4FL 10 0
DA1 4FN 10 0
DA1 4FP 10 0
DA1 4FQ 10 0
DA1 4FR 10 0
DA1 4FS 10 0
DA1 4FT 10 0
DA1 4FU 10 0
DA1 4FW 10 0
DA1 4FX 10 0
DA1 4FY 10 0
DA1 4FZ 10 0
DA1 4GA 10 0
DA1 4GB 10 2013‑07 0
DA1 4GD 10 0
DA1 4GE 10 0
DA1 4GF 10 0
DA1 4GL 10 Dawson Close 0
DA1 4HA 10 0
DA1 4HB 10 0
DA1 4HD 10 2015‑10 0
DA1 4HF 10 0
DA1 4HG 10 0
DA1 4HH 10 0
DA1 4HR 10 0
DA1 4HS 10 0
DA1 4HW 10 0
DA1 4HY 10 0
DA1 4JA 10 0
DA1 4JD 10 0
DA1 4JE 10 0
DA1 4JJ 10 0
DA1 4JL 10 0
DA1 4JP 10 0
DA1 4JR 10 0
DA1 4JS 10 0
DA1 4JT 10 0
DA1 4JU 10 0
DA1 4JX 10 0
DA1 4JY 10 0
DA1 4JZ 10 0
DA1 4LB 10 Swaislands Drive 1
DA1 4LD 10 0
DA1 4LE 10 0
DA1 4LF 10 0
DA1 4LG 10 0
DA1 4LJ 50 0
DA1 4LP 10 0
DA1 4LQ 10 0
DA1 4LR 10 0
DA1 4LS 10 0
DA1 4LT 10 0
DA1 4LU 10 0
DA1 4LX 10 0
DA1 4LY 10 0
DA1 4LZ 10 0
DA1 4NA 10 0
DA1 4NB 10 0
DA1 4ND 10 0
DA1 4NE 10 0
DA1 4NF 10 0
DA1 4NG 10 0
DA1 4NH 10 0
DA1 4NJ 10 0
DA1 4NL 10 0
DA1 4NN 10 0
DA1 4NP 10 0
DA1 4NQ 10 0
DA1 4NR 10 0
DA1 4NS 10 0
DA1 4NW 10 0
DA1 4PA 10 0
DA1 4PB 10 0
DA1 4PD 10 0
DA1 4PE 10 0
DA1 4PF 10 0
DA1 4PG 10 0
DA1 4PH 10 0
DA1 4PJ 10 0
DA1 4PL 10 0
DA1 4PN 10 0
DA1 4PP 10 0
DA1 4PQ 10 0
DA1 4PR 10 0
DA1 4PS 10 0
DA1 4PT 10 0
DA1 4PU 10 0
DA1 4PW 10 0
DA1 4PY 10 0
DA1 4PZ 10 0
DA1 4QG 10 0
DA1 4QH 10 0
DA1 4QL 10 0
DA1 4QN 10 0
DA1 4QP 10 Thames Road 1
DA1 4QS 10 0
DA1 4QT 10 0
DA1 4QX 10 0
DA1 4RA 10 0
DA1 4RB 10 0
DA1 4RD 10 0
DA1 4RE 10 2013‑07 0
DA1 4RF 10 0
DA1 4RG 10 0
DA1 4RH 10 0
DA1 4RJ 10 0
DA1 4RL 10 0
DA1 4RN 10 0
DA1 4RP 10 0
DA1 4RQ 10 0
DA1 4RR 10 0
DA1 4RS 10 Iron Mill Lane 1
DA1 4RT 10 0
DA1 4RU 10 0
DA1 4RW 10 Iron Mill Lane 1
DA1 4RX 10 0
DA1 4RY 10 0
DA1 4RZ 10 0
DA1 4SA 10 0
DA1 4SB 10 0
DA1 4SD 10 0
DA1 4SE 10 3 0
DA1 4SF 10 3 0
DA1 4SG 10 3 0
DA1 4SH 10 0
DA1 4SJ 10 0
DA1 4SL 10 0
DA1 4SN 10 0
DA1 4SP 10 0
DA1 4SQ 10 0
DA1 4SR 10 0
DA1 4SS 10 0
DA1 4ST 10 0
DA1 4SU 10 0
DA1 4SW 10 0
DA1 4SX 10 0
DA1 4SY 10 0
DA1 4SZ 10 0
DA1 4TA 10 0
DA1 4TB 10 0
DA1 4TD 10 0
DA1 4TE 10 0
DA1 4TG 10 0
DA1 4TH 10 0
DA1 4TJ 10 0
DA1 4TL 10 0
DA1 4TN 10 0
DA1 4TP 10 0
DA1 4TQ 10 0
DA1 4TR 10 0
DA1 4TS 10 0
DA1 4TT 10 0
DA1 4WB 10 88 0
DA1 4WG 10 0
DA1 4WU 10 2018‑10 88 0
DA1 4WW 10 2015‑10 0
DA1 4WX 10 0
DA1 4ZT 10 0

Units with street mismatches in this sector:

Unit Mapped Dominant Street OSM Object Tagged Street
DA1 4AL 1 w376362500
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.