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OSM Postcode Mapping for AL3 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 %
AL3 4 184 183 120 65.6%

All units within this sector:

Unit PQI First Seen Last Seen Street Name ML Mapped
AL3 4AA 10 0
AL3 4AB 10 0
AL3 4AD 10 0
AL3 4AE 10 1
AL3 4AF 10 1
AL3 4AH 10 0
AL3 4AJ 10 1
AL3 4AL 10 0
AL3 4AP 10 King Harry Lane 2
AL3 4AR 10 1
AL3 4AS 10 0
AL3 4AT 10 1
AL3 4AU 10 King Harry Lane 3
AL3 4AW 10 2
AL3 4AX 10 0
AL3 4AY 10 0
AL3 4AZ 10 0
AL3 4BA 10 0
AL3 4BB 10 0
AL3 4BD 10 0
AL3 4BG 10 0
AL3 4BH 10 Abbey Avenue 1
AL3 4BJ 10 0
AL3 4BL 10 1
AL3 4BN 10 1
AL3 4BQ 10 0
AL3 4BY 10 1
AL3 4BZ 10 0
AL3 4DA 10 Verulam Road 3
AL3 4DD 10 Christopher Place 0
AL3 4DE 10 Verulan Road 2
AL3 4DG 10 1
AL3 4DH 10 Verulam Road 2
AL3 4DJ 10 1
AL3 4DL 10 2
AL3 4DN 10 1
AL3 4DP 10 Verulam Road 2
AL3 4DQ 10 1
AL3 4DR 10 Verulam Road 2
AL3 4DW 10 Verulam Road 2
AL3 4DZ 10 0
AL3 4EA 10 1
AL3 4EB 10 Heritage Close 5
AL3 4ED 10 High Street 7
AL3 4EH 10 High Street 6
AL3 4EJ 10 2015‑10 0
AL3 4EL 10 High Street 7
AL3 4EP 10 0
AL3 4ER 10 1
AL3 4ES 10 1
AL3 4ET 10 1
AL3 4EW 10 Waxhouse Gate 3
AL3 4EZ 10 1
AL3 4FD 10 0
AL3 4GB 10 1
AL3 4GD 10 1
AL3 4GE 10 1
AL3 4GF 10 1
AL3 4GG 10 1
AL3 4GH 10 1
AL3 4GJ 10 1
AL3 4GL 10 1
AL3 4GN 10 1
AL3 4HA 10 1
AL3 4HB 10 Abbey Gateway 2
AL3 4HD 10 1
AL3 4HE 10 Abbey Mill Lane 2
AL3 4HG 10 1
AL3 4HH 10 1
AL3 4HJ 10 1
AL3 4HL 10 1
AL3 4HN 10 1
AL3 4HR 10 131 0
AL3 4HW 10 0
AL3 4HX 10 0
AL3 4HY 10 0
AL3 4HZ 10 2
AL3 4JA 10 0
AL3 4JB 10 0
AL3 4JD 10 0
AL3 4JE 10 0
AL3 4JF 10 0
AL3 4JG 10 0
AL3 4JH 10 0
AL3 4JJ 10 0
AL3 4JL 10 0
AL3 4JN 10 0
AL3 4JP 10 0
AL3 4JQ 10 0
AL3 4JR 10 0
AL3 4JS 10 0
AL3 4JT 10 0
AL3 4JU 10 0
AL3 4JW 10 0
AL3 4JX 10 0
AL3 4JY 10 0
AL3 4JZ 10 Ermine Close 2
AL3 4LA 10 1
AL3 4LD 10 1
AL3 4LP 10 0
AL3 4LR 10 0
AL3 4LS 10 0
AL3 4LT 10 0
AL3 4LU 10 0
AL3 4LW 10 0
AL3 4LX 10 0
AL3 4LY 10 0
AL3 4LZ 10 0
AL3 4NA 10 0
AL3 4NB 10 0
AL3 4ND 10 0
AL3 4NE 10 0
AL3 4NF 10 0
AL3 4NG 10 0
AL3 4NH 10 0
AL3 4NJ 10 0
AL3 4NQ 10 0
AL3 4PA 10 1
AL3 4PE 10 1
AL3 4PF 10 1
AL3 4PH 10 1
AL3 4PJ 10 2
AL3 4PN 10 1
AL3 4PQ 10 1
AL3 4PS 10 1
AL3 4PT 10 1
AL3 4PU 10 1
AL3 4PW 10 1
AL3 4PX 10 1
AL3 4PY 10 1
AL3 4PZ 10 2
AL3 4QA 10 2
AL3 4QB 10 1
AL3 4QD 10 1
AL3 4QE 10 1
AL3 4QF 10 1
AL3 4QG 10 1
AL3 4QH 10 1
AL3 4QJ 10 0
AL3 4QL 10 1
AL3 4QN 10 1
AL3 4QP 10 1
AL3 4QQ 10 1
AL3 4QR 10 1
AL3 4QS 10 0
AL3 4QT 10 1
AL3 4QU 10 0
AL3 4QW 10 1
AL3 4QY 10 0
AL3 4RA 10 1
AL3 4RB 10 2
AL3 4RD 10 2015‑10 0
AL3 4RF 10 1
AL3 4RQ 10 1
AL3 4RR 10 0
AL3 4RS 10 1
AL3 4RT 10 1
AL3 4RU 10 1
AL3 4RX 10 1
AL3 4RY 10 1
AL3 4RZ 10 1
AL3 4SA 10 1
AL3 4SB 10 1
AL3 4SD 10 1
AL3 4SE 10 1
AL3 4SF 10 1
AL3 4SG 10 1
AL3 4SH 10 1
AL3 4SJ 10 1
AL3 4SL 10 1
AL3 4SN 10 St Michael's Street 2
AL3 4SP 10 1
AL3 4SQ 10 1
AL3 4SS 10 1
AL3 4ST 10 1
AL3 4SU 10 1
AL3 4SW 10 St Michael's Street 2
AL3 4SX 10 1
AL3 4SY 10 1
AL3 4SZ 10 1
AL3 4TA 10 1
AL3 4TB 10 1
AL3 4TF 10 1
AL3 4TG 10 1
AL3 4TH 10 0
AL3 4TL 10 2
AL3 4TN 10 3
AL3 4TQ 10 1
AL3 4TZ 10 1
AL3 4WD 10 2015‑10 0
AL3 4WJ 10 2021‑04 131 0
AL3 4XJ 10 2013‑07 0
AL3 4XL 10 2017‑04 131 0
AL3 4XN 10 0
AL3 4YN 10 0
AL3 4ZF 10 2015‑10 0

Units with street mismatches in this sector:

Unit Mapped Dominant Street OSM Object Tagged Street
AL3 4AE 1 w382097107
AL3 4AF 1 w169566177
AL3 4AJ 1 w169584409
AL3 4AR 1 w169568266
AL3 4AT 1 w169568290
AL3 4AW 2 w165635263
AL3 4AW 2 w165635277
AL3 4BL 1 w165633631
AL3 4BN 1 w165633922
AL3 4BY 1 w165948102
AL3 4DE 2 Verulan␣Road w166123092
AL3 4DG 1 w166123097
AL3 4DH 2 Verulam␣Road w166381273
AL3 4DJ 1 w166381281
AL3 4DL 2 w166507144
AL3 4DL 2 n1780598856
AL3 4DN 1 w166706034
AL3 4DQ 1 w166123234
AL3 4DR 2 Verulam␣Road w166814286
AL3 4DW 2 Verulam␣Road w166706817
AL3 4EA 1 w166120974
AL3 4ER 1 w164094875
AL3 4ES 1 r2189401
AL3 4ET 1 w165754751
AL3 4EW 3 Waxhouse␣Gate w164100415
AL3 4EZ 1 w165753689
AL3 4GB 1 w186756849
AL3 4GD 1 n6349270836
AL3 4GE 1 n6349270831
AL3 4GF 1 w508233769
AL3 4GG 1 w227521165
AL3 4GH 1 w186756850
AL3 4GJ 1 n6349270837
AL3 4GL 1 w227521169
AL3 4GN 1 w227521170
AL3 4HA 1 w165811386
AL3 4HB 2 Abbey␣Gateway w145792837
AL3 4HD 1 w165810180
AL3 4HE 2 Abbey␣Mill␣Lane w165811399
AL3 4HG 1 w165812147
AL3 4HH 1 w166120966
AL3 4HJ 1 w165812152
AL3 4HL 1 w165811398
AL3 4HN 1 w165812932
AL3 4HZ 2 w34623001
AL3 4HZ 2 w203172595
AL3 4JZ 2 Ermine␣Close w34319798 Ermine␣Close,␣Mayne␣Avenue
AL3 4LA 1 w160173251
AL3 4LD 1 w165633924
AL3 4PA 1 w166123107
AL3 4PE 1 w166120960
AL3 4PF 1 w166120970
AL3 4PH 1 w166120956
AL3 4PJ 2 n1776035387
AL3 4PJ 2 w166122054
AL3 4PN 1 w166381292
AL3 4PQ 1 w166120950
AL3 4PS 1 w166122057
AL3 4PT 1 w166122073
AL3 4PU 1 w166381291
AL3 4PW 1 w166381290
AL3 4PX 1 w166122071
AL3 4PY 1 w166506308
AL3 4PZ 2 w166506311
AL3 4PZ 2 n1779486542
AL3 4QA 2 n1779486435
AL3 4QA 2 w166506302
AL3 4QB 1 w166122053
AL3 4QD 1 w166507311
AL3 4QE 1 w166506322
AL3 4QF 1 w166506326
AL3 4QG 1 w166506323
AL3 4QH 1 w166619431
AL3 4QL 1 w166621426
AL3 4QN 1 w166619409
AL3 4QP 1 w166619416
AL3 4QQ 1 w166507143
AL3 4QR 1 w166621417
AL3 4QT 1 w166705316
AL3 4QW 1 w166619399
AL3 4RA 1 w166706037
AL3 4RB 2 n1782078054
AL3 4RB 2 w166710439
AL3 4RF 1 w165813155
AL3 4RQ 1 w166507582
AL3 4RS 1 w165753692
AL3 4RT 1 w166118778
AL3 4RU 1 w165813936
AL3 4RX 1 w166118783
AL3 4RY 1 w165832887
AL3 4RZ 1 w166118811
AL3 4SA 1 w678014052
AL3 4SB 1 w165948094
AL3 4SD 1 w165832890
AL3 4SE 1 w165948095
AL3 4SF 1 w165947257
AL3 4SG 1 w165836396
AL3 4SH 1 w165836397
AL3 4SJ 1 w165945100
AL3 4SL 1 w165944676
AL3 4SP 1 w165944697
AL3 4SQ 1 w165947271
AL3 4SS 1 w166815801
AL3 4ST 1 w166813198
AL3 4SU 1 w166849561
AL3 4SW 2 St␣Michael's␣Street w165837821
AL3 4SX 1 w166814287
AL3 4SY 1 w166815813
AL3 4SZ 1 w166813189
AL3 4TA 1 w166814290
AL3 4TB 1 w166710454
AL3 4TF 1 w166706822
AL3 4TG 1 w166813206
AL3 4TL 2 n1782737113
AL3 4TL 2 w166815804
AL3 4TN 3 w166852336
AL3 4TN 3 n1782760595
AL3 4TN 3 n1782760658
AL3 4TQ 1 w166813200
AL3 4TZ 1 w166706841
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.