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OSM Postcode Mapping for AL4 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 %
AL4 0 285 283 83 29.3%

All units within this sector:

Unit PQI First Seen Last Seen Street Name ML Mapped
AL4 0AA 10 0
AL4 0AB 10 0
AL4 0AD 10 0
AL4 0AE 10 0
AL4 0AG 10 0
AL4 0AH 10 1
AL4 0AJ 10 0
AL4 0AN 10 Highfield Lane 1
AL4 0AQ 10 0
AL4 0AS 10 1
AL4 0AT 10 0
AL4 0AW 10 0
AL4 0AY 10 Russet Drive 2
AL4 0AZ 10 1
AL4 0BA 10 0
AL4 0BD 10 0
AL4 0BE 10 0
AL4 0BF 10 0
AL4 0BG 10 0
AL4 0BH 10 0
AL4 0BJ 10 0
AL4 0BL 10 0
AL4 0BN 10 0
AL4 0BP 10 0
AL4 0BS 10 0
AL4 0BT 10 0
AL4 0BU 10 0
AL4 0BW 10 0
AL4 0BX 10 Sandpit Lane 1
AL4 0BY 10 0
AL4 0BZ 10 2020‑04 135 0
AL4 0DA 10 0
AL4 0DB 10 0
AL4 0DD 10 0
AL4 0DE 10 0
AL4 0DF 10 0
AL4 0DG 10 0
AL4 0DH 10 0
AL4 0DJ 10 0
AL4 0DL 10 0
AL4 0DN 10 0
AL4 0DP 10 1
AL4 0DQ 10 0
AL4 0DR 10 1
AL4 0DS 10 1
AL4 0DT 10 0
AL4 0DU 10 0
AL4 0DW 10 0
AL4 0DX 10 0
AL4 0DY 10 0
AL4 0DZ 10 0
AL4 0EA 10 0
AL4 0EB 10 0
AL4 0ED 10 0
AL4 0EE 10 0
AL4 0EF 10 0
AL4 0EG 10 0
AL4 0EH 10 0
AL4 0EJ 10 0
AL4 0EL 10 0
AL4 0EN 10 0
AL4 0EP 10 0
AL4 0EQ 10 0
AL4 0ER 10 0
AL4 0ES 10 0
AL4 0ET 10 0
AL4 0EU 10 0
AL4 0EW 10 0
AL4 0EX 10 0
AL4 0EY 10 0
AL4 0EZ 10 0
AL4 0FE 10 0
AL4 0FF 10 0
AL4 0FG 10 0
AL4 0FH 10 3
AL4 0FJ 10 0
AL4 0FL 10 0
AL4 0FN 10 Tillage Close 1
AL4 0FQ 10 0
AL4 0FR 10 0
AL4 0FS 10 0
AL4 0FT 10 0
AL4 0FU 10 0
AL4 0FW 10 0
AL4 0FX 10 0
AL4 0FY 10 0
AL4 0FZ 10 0
AL4 0GB 10 Newfield Way 1
AL4 0GD 10 Newfield Way 1
AL4 0GE 10 Honeycroft Drive 1
AL4 0GF 10 Honeycroft Drive 1
AL4 0GG 10 Church Croft 1
AL4 0GH 10 Church Croft 1
AL4 0GL 10 Church Croft 1
AL4 0GN 10 Church Croft 1
AL4 0GP 10 Housefield Way 1
AL4 0GQ 10 Housefield Way 1
AL4 0GR 10 Pitt Drive 1
AL4 0GS 10 Maslen Road 1
AL4 0GT 10 Maslen Road 1
AL4 0GU 10 Ivory Close 1
AL4 0GW 10 Maslen Road 1
AL4 0GX 10 Puddingstone Drive 1
AL4 0GY 10 Puddingstone Drive 1
AL4 0HA 10 0
AL4 0HB 10 0
AL4 0HD 10 Station Road 2
AL4 0HE 10 Hatfield Road 2
AL4 0HF 10 0
AL4 0HG 10 0
AL4 0HH 10 0
AL4 0HJ 10 0
AL4 0HL 10 0
AL4 0HN 10 1
AL4 0HP 10 Hatfield Road 1
AL4 0HQ 10 0
AL4 0HR 10 0
AL4 0HS 10 0
AL4 0HT 10 Oaklands Lane 1
AL4 0HU 10 0
AL4 0HW 10 Hatfield Road 1
AL4 0HX 10 1
AL4 0HY 10 1
AL4 0HZ 10 1
AL4 0JA 10 2
AL4 0JD 10 2020‑12 0
AL4 0JE 10 1
AL4 0JF 10 0
AL4 0JG 10 0
AL4 0JH 10 Starlight Way 1
AL4 0JJ 10 Hatfield Road 3
AL4 0JP 10 Starlight Way 1
AL4 0JQ 10 0
AL4 0JT 10 1
AL4 0JX 10 1
AL4 0JY 10 1
AL4 0JZ 10 1
AL4 0LA 10 1
AL4 0LB 10 1
AL4 0LD 10 0
AL4 0LE 10 Highfield Lane 1
AL4 0LF 10 135 0
AL4 0LH 10 0
AL4 0LJ 10 0
AL4 0LP 10 0
AL4 0LQ 10 1
AL4 0LR 10 1
AL4 0LS 10 1
AL4 0LT 10 0
AL4 0LU 10 0
AL4 0ND 10 0
AL4 0NE 10 0
AL4 0NF 10 0
AL4 0NG 10 North Orbital Road 1
AL4 0NH 10 1
AL4 0NJ 10 0
AL4 0NL 10 0
AL4 0NN 10 0
AL4 0NP 10 1
AL4 0NQ 10 0
AL4 0NR 10 0
AL4 0NS 10 0
AL4 0NT 10 0
AL4 0NU 10 High Street 1
AL4 0NW 10 0
AL4 0NX 10 0
AL4 0NY 10 0
AL4 0NZ 10 0
AL4 0PA 10 0
AL4 0PB 10 0
AL4 0PD 10 0
AL4 0PF 10 Coursers Road 1
AL4 0PG 10 0
AL4 0PH 10 0
AL4 0PJ 10 Roestock Lane 1
AL4 0PL 10 0
AL4 0PN 10 0
AL4 0PP 10 0
AL4 0PQ 10 0
AL4 0PR 10 0
AL4 0PS 10 0
AL4 0PT 10 0
AL4 0PU 10 0
AL4 0PW 10 0
AL4 0PX 10 0
AL4 0PY 10 0
AL4 0PZ 10 0
AL4 0QA 10 0
AL4 0QB 10 0
AL4 0QD 10 0
AL4 0QE 10 0
AL4 0QF 10 0
AL4 0QG 10 0
AL4 0QH 10 Roestock Lane 1
AL4 0QJ 10 0
AL4 0QL 10 0
AL4 0QN 10 0
AL4 0QP 10 0
AL4 0QQ 10 0
AL4 0QR 10 0
AL4 0QS 10 0
AL4 0QT 10 0
AL4 0QU 10 1
AL4 0QW 10 0
AL4 0QZ 10 0
AL4 0RA 10 1
AL4 0RE 10 Highfield Lane 1
AL4 0RH 10 Highfield Lane 1
AL4 0RJ 10 Highfield Lane 1
AL4 0RL 10 Highfield Lane 1
AL4 0RN 10 Tyttenhanger Green 1
AL4 0RP 10 0
AL4 0RQ 10 Highfield Lane 1
AL4 0RR 10 0
AL4 0RS 10 Barley Mow Lane 3
AL4 0RT 10 0
AL4 0RU 10 0
AL4 0RW 10 Tyttenhanger Green 1
AL4 0RX 10 Sleapcross Gardens 35
AL4 0RY 10 0
AL4 0RZ 10 Ryders Avenue 5
AL4 0SA 10 Smallford Lane 19
AL4 0SB 10 Sleapshyde Lane 34
AL4 0SD 10 Sleapshyde Lane 21
AL4 0SE 10 Sleapshyde 25
AL4 0SF 10 Smallford Lane 4
AL4 0SH 10 0
AL4 0SL 10 0
AL4 0SN 10 0
AL4 0SP 10 0
AL4 0SQ 10 0
AL4 0SR 10 0
AL4 0SS 10 0
AL4 0ST 10 0
AL4 0SU 10 0
AL4 0SW 10 0
AL4 0SX 10 0
AL4 0SY 10 0
AL4 0SZ 10 0
AL4 0TA 10 0
AL4 0TB 10 0
AL4 0TD 10 0
AL4 0TE 10 0
AL4 0TF 10 0
AL4 0TG 10 0
AL4 0TH 10 0
AL4 0TJ 10 0
AL4 0TL 10 0
AL4 0TN 10 0
AL4 0TP 10 0
AL4 0TQ 10 0
AL4 0TR 10 0
AL4 0TS 10 0
AL4 0TT 10 Colney Heath Lane 2
AL4 0TU 10 1
AL4 0TX 10 1
AL4 0TY 10 0
AL4 0TZ 10 Hixberry Lane 2
AL4 0UA 10 0
AL4 0UB 10 0
AL4 0UD 10 0
AL4 0UE 10 0
AL4 0UH 10 0
AL4 0UJ 10 0
AL4 0UL 10 0
AL4 0UN 10 0
AL4 0UP 10 0
AL4 0UQ 10 0
AL4 0UR 10 0
AL4 0UU 10 0
AL4 0UW 10 0
AL4 0UX 10 0
AL4 0UY 10 0
AL4 0UZ 10 0
AL4 0WA 10 135 0
AL4 0WP 10 0
AL4 0WS 10 0
AL4 0WZ 10 2013‑07 0
AL4 0XA 10 1
AL4 0XB 10 2
AL4 0XD 10 0
AL4 0XE 10 0
AL4 0XF 10 0
AL4 0XG 10 1
AL4 0XH 10 0
AL4 0XL 10 0
AL4 0XN 10 0
AL4 0XP 10 0
AL4 0XR 10 0
AL4 0XS 10 0
AL4 0XT 10 0
AL4 0XW 10 0
AL4 0XX 10 0
AL4 0XY 10 2015‑10 0
AL4 0XZ 10 0
AL4 0YE 10 0
AL4 0YG 10 0
AL4 0YJ 10 0
AL4 0YX 10 0
AL4 0ZE 50 2021‑04 0
AL4 0ZF 10 0
AL4 0ZJ 10 2015‑10 0
AL4 0ZL 10 2013‑07 0

Units with street mismatches in this sector:

Unit Mapped Dominant Street OSM Object Tagged Street
AL4 0AH 1 w4751780
AL4 0AS 1 w197066281
AL4 0AY 2 Russet␣Drive w678106144
AL4 0AZ 1 w194146108
AL4 0DP 1 w462067303
AL4 0DR 1 w217376704
AL4 0DS 1 w462064404
AL4 0FH 3 w891024242
AL4 0FH 3 w891024240
AL4 0FH 3 w891024241
AL4 0HN 1 w183973890
AL4 0HX 1 w210631125
AL4 0HY 1 w210631120
AL4 0HZ 1 w210636648
AL4 0JA 2 w210636661
AL4 0JA 2 w4280293
AL4 0JE 1 w188233796
AL4 0JJ 3 Hatfield␣Road w4370103
AL4 0JT 1 w189516104
AL4 0JX 1 w4370111
AL4 0JY 1 w4370115
AL4 0JZ 1 w678106141
AL4 0LA 1 w4370104
AL4 0LB 1 w4370135
AL4 0LQ 1 w4370119
AL4 0LR 1 w4370133
AL4 0LS 1 w4370125
AL4 0NH 1 w856981702
AL4 0NP 1 w4796685
AL4 0QU 1 w4370140
AL4 0RA 1 w126337744
AL4 0SE 25 Sleapshyde w210881390
AL4 0SE 25 Sleapshyde w891004005
AL4 0SE 25 Sleapshyde w891004009
AL4 0SE 25 Sleapshyde w891004013
AL4 0SE 25 Sleapshyde w891012434
AL4 0SE 25 Sleapshyde w891024246
AL4 0SE 25 Sleapshyde w210881394
AL4 0SE 25 Sleapshyde w891004006
AL4 0SE 25 Sleapshyde w891004010
AL4 0SE 25 Sleapshyde w891012430
AL4 0SE 25 Sleapshyde w891012435
AL4 0SE 25 Sleapshyde w891024243
AL4 0SE 25 Sleapshyde w210881395
AL4 0SE 25 Sleapshyde w891004003
AL4 0SE 25 Sleapshyde w891004007
AL4 0SE 25 Sleapshyde w891004011
AL4 0SE 25 Sleapshyde w891012431
AL4 0SE 25 Sleapshyde w891024244
AL4 0SE 25 Sleapshyde w210881386
AL4 0SE 25 Sleapshyde w891004004
AL4 0SE 25 Sleapshyde w891004008
AL4 0SE 25 Sleapshyde w891004012
AL4 0SE 25 Sleapshyde w891012432
AL4 0SE 25 Sleapshyde w891024245
AL4 0TT 2 Colney␣Heath␣Lane r449
AL4 0TU 1 w217313071
AL4 0TX 1 w203763085
AL4 0XA 1 w4044223
AL4 0XB 2 r9682091
AL4 0XB 2 r12341571
AL4 0XG 1 w194185680
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.