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OSM Postcode Mapping for AL1 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 comes from Taginfo GB. It is usually updated once a day at about 10:15 UTC, with data from about 20:30 UTC the previous day. (Current data is from 1970‑01‑01 00:00:00 Z.) The data used to compute the OSM mean position comes from the Overpass API and is updated less frequently, usually about once a week. (Current data is from 2024‑06‑11 13:41:00 Z.)

District Sector Units Geo. Units Mapped %
AL1 4 230 229 97 42.4%

All units within this sector:

Unit PQI First Seen Last Seen Street Name ML Mapped
AL1 4AA 10 Stonecross 3
AL1 4AB 10 1
AL1 4AD 10 2
AL1 4AE 10 1
AL1 4AG 10 Sandridge Road 1
AL1 4AH 10 Sandridge Road 2
AL1 4AJ 10 0
AL1 4AL 10 1
AL1 4AN 10 1
AL1 4AP 10 Sandridge Road 6
AL1 4AQ 10 1
AL1 4AR 10 1
AL1 4AS 10 1
AL1 4AT 10 1
AL1 4AU 10 1
AL1 4AX 10 1
AL1 4BA 10 2
AL1 4BE 10 0
AL1 4BG 10 0
AL1 4BH 10 Homewood Road 2
AL1 4BJ 10 Sandpit Lane 1
AL1 4BL 10 0
AL1 4BN 10 0
AL1 4BP 10 0
AL1 4BQ 10 0
AL1 4BS 10 0
AL1 4BT 10 1
AL1 4BU 10 2013‑07 0
AL1 4BW 10 0
AL1 4BY 10 0
AL1 4DA 10 0
AL1 4DB 10 0
AL1 4DD 10 Battlefield Road 0
AL1 4DF 10 1
AL1 4DG 10 0
AL1 4DH 10 0
AL1 4DJ 10 0
AL1 4DL 10 0
AL1 4DN 10 0
AL1 4DP 10 0
AL1 4DQ 10 0
AL1 4DS 10 Heath Road 1
AL1 4DU 10 2015‑10 0
AL1 4DW 10 0
AL1 4DX 10 0
AL1 4DY 10 0
AL1 4DZ 10 3
AL1 4EA 10 1
AL1 4EB 10 0
AL1 4ED 10 0
AL1 4EE 10 0
AL1 4EF 10 1
AL1 4EJ 10 0
AL1 4EL 10 3
AL1 4EP 10 0
AL1 4ER 10 0
AL1 4ES 10 Lancaster Road 1
AL1 4ET 10 0
AL1 4EU 10 0
AL1 4EW 10 0
AL1 4EX 10 0
AL1 4EY 10 0
AL1 4EZ 10 0
AL1 4FH 10 1
AL1 4FJ 10 1
AL1 4FL 10 1
AL1 4FN 10 0
AL1 4FQ 10 2020‑10 129 0
AL1 4GL 10 1
AL1 4HA 10 0
AL1 4HD 10 0
AL1 4HE 10 0
AL1 4HF 10 0
AL1 4HG 10 0
AL1 4HH 10 0
AL1 4HJ 10 0
AL1 4HL 10 0
AL1 4HN 10 0
AL1 4HQ 10 0
AL1 4HW 10 Sandpit Lane 1
AL1 4HY 10 1
AL1 4JA 10 Hatfield Road 2
AL1 4JB 10 2017‑10 0
AL1 4JD 10 Hatfield Road 1
AL1 4JE 10 Hatfield Road 4
AL1 4JG 10 Hatfield Road 2
AL1 4JH 10 1
AL1 4JL 10 Hatfield Road 9
AL1 4JP 10 Blandford Road 1
AL1 4JR 10 Blandford Road 1
AL1 4JS 10 Hatfield Road 5
AL1 4JT 10 Glenferrie Road 1
AL1 4JU 10 Glenferrie Road 1
AL1 4JW 10 St. Pauls Place 1
AL1 4JX 10 Hatfield Road 1
AL1 4JY 10 Hatfield Road 1
AL1 4JZ 10 1
AL1 4LA 10 Sandfield Road 1
AL1 4LB 10 Hatfield Road 4
AL1 4LE 10 1
AL1 4LF 10 Harlesden Road 1
AL1 4LG 10 Hatfield Road 3
AL1 4LH 10 1
AL1 4LJ 10 Hatfield Road 2
AL1 4LQ 10 Royal Road 1
AL1 4LR 10 1
AL1 4LS 10 0
AL1 4LU 10 1
AL1 4LW 10 Hatfield Road 2
AL1 4LX 10 Royal Road 2
AL1 4NE 10 Clarence Road 1
AL1 4NF 10 Clarence Park 3
AL1 4NG 10 Clarence Road 1
AL1 4NH 10 Clarence Road 1
AL1 4NJ 10 Gainsborough Avenue 1
AL1 4NL 10 Gainsborough Avenue 1
AL1 4NN 10 Clarence Road 1
AL1 4NP 10 0
AL1 4NQ 10 Clarence Road 1
AL1 4NR 10 0
AL1 4NS 10 Blenheim Road 1
AL1 4NT 10 Jennings Road 1
AL1 4NU 10 0
AL1 4NW 10 0
AL1 4NX 10 0
AL1 4NY 10 0
AL1 4NZ 10 0
AL1 4PA 10 0
AL1 4PB 10 0
AL1 4PD 10 Jennings Road 1
AL1 4PF 10 Sefton Close 1
AL1 4PG 10 0
AL1 4PH 10 0
AL1 4PL 10 York Road 1
AL1 4PN 10 1
AL1 4PP 10 0
AL1 4PR 10 Brampton Road 2
AL1 4PS 10 Brampton Road 1
AL1 4PT 10 Brampton Road 1
AL1 4PU 10 Brampton Road 1
AL1 4PW 10 Brampton Road 1
AL1 4PX 10 Brampton Road 1
AL1 4PY 10 Brampton Road 1
AL1 4PZ 10 0
AL1 4QA 10 0
AL1 4QB 10 0
AL1 4QD 10 0
AL1 4QE 10 0
AL1 4QF 10 0
AL1 4QG 10 0
AL1 4QH 10 0
AL1 4QJ 10 Woodstock Road South 1
AL1 4QL 10 Woodstock Road South 1
AL1 4QN 10 Burnham Road 1
AL1 4QQ 10 0
AL1 4QR 10 0
AL1 4QU 10 0
AL1 4QW 10 Burnham Road 1
AL1 4QX 10 0
AL1 4QY 10 0
AL1 4QZ 10 0
AL1 4RA 10 0
AL1 4RB 10 0
AL1 4RD 10 0
AL1 4RE 10 0
AL1 4RF 10 0
AL1 4RG 10 0
AL1 4RH 10 0
AL1 4RJ 10 0
AL1 4RL 10 0
AL1 4RQ 10 0
AL1 4RS 10 0
AL1 4RT 10 0
AL1 4RU 10 0
AL1 4RX 10 0
AL1 4RY 10 0
AL1 4RZ 10 0
AL1 4SA 10 0
AL1 4SB 10 0
AL1 4SD 10 0
AL1 4SE 10 0
AL1 4SF 10 0
AL1 4SG 10 0
AL1 4SH 10 0
AL1 4SJ 10 0
AL1 4SL 10 0
AL1 4SN 10 0
AL1 4SQ 10 0
AL1 4SS 10 0
AL1 4SU 10 Hatfield Road 1
AL1 4SW 10 0
AL1 4SY 10 Hatfield Road 4
AL1 4SZ 10 1
AL1 4TA 10 Hatfield Road 2
AL1 4TB 10 1
AL1 4TF 10 1
AL1 4TG 10 1
AL1 4TH 10 Beaumont Avenue 1
AL1 4TJ 10 0
AL1 4TL 10 0
AL1 4TN 10 0
AL1 4TP 10 0
AL1 4TQ 10 Hatfield Road 1
AL1 4TR 10 0
AL1 4TS 10 0
AL1 4TT 10 0
AL1 4TU 10 0
AL1 4TW 10 0
AL1 4TX 10 0
AL1 4TY 10 0
AL1 4TZ 10 0
AL1 4UA 10 0
AL1 4UB 10 Salisbury Avenue 1
AL1 4UD 10 0
AL1 4UE 10 Eaton Road 1
AL1 4UN 10 Hatfield Road 3
AL1 4UR 10 0
AL1 4UT 10 0
AL1 4UU 10 0
AL1 4UX 10 0
AL1 4UZ 10 Marshalswick Lane 1
AL1 4WU 10 2021‑12 129 0
AL1 4XA 10 0
AL1 4XB 10 0
AL1 4XD 10 0
AL1 4XE 10 0
AL1 4XF 10 0
AL1 4XG 10 0
AL1 4XL 10 0
AL1 4XP 10 0
AL1 4XR 10 0
AL1 4XS 10 0
AL1 4XT 10 0
AL1 4XU 10 0
AL1 4XX 10 0
AL1 4XY 10 0
AL1 4XZ 10 0
AL1 4YA 10 0
AL1 4YD 10 2015‑10 0
AL1 4YW 10 2018‑10 129 0
AL1 4ZG 10 129 0
AL1 4ZQ 10 2013‑07 0
AL1 4ZW 10 0
AL1 4ZX 10 2020‑07 129 0
AL1 4ZY 10 2013‑07 0

Units with street mismatches in this sector:

Unit Mapped Dominant Street OSM Object Tagged Street
AL1 4AA 3 Stonecross w164487677
AL1 4AB 1 w171669646
AL1 4AD 2 w171672881
AL1 4AD 2 n1826659207
AL1 4AE 1 w171673098
AL1 4AH 2 Sandridge␣Road w189853476
AL1 4AL 1 w171815497
AL1 4AN 1 w171679667
AL1 4AP 6 Sandridge␣Road w171675131
AL1 4AP 6 Sandridge␣Road w204053147
AL1 4AQ 1 w189519771
AL1 4AR 1 w171659487
AL1 4AS 1 w171659429
AL1 4AT 1 w169691618
AL1 4AU 1 w164487692
AL1 4AX 1 w171669650
AL1 4BA 2 n2581706299
AL1 4BA 2 w171669649
AL1 4BT 1 w602036681
AL1 4DF 1 w218992149
AL1 4DZ 3 w1230246165
AL1 4DZ 3 w171659420
AL1 4DZ 3 w1230246166
AL1 4EA 1 w171659503
AL1 4EF 1 w171659440
AL1 4EL 3 w171679652
AL1 4EL 3 n1826727590
AL1 4EL 3 n1826727336
AL1 4FH 1 w164955226
AL1 4FJ 1 w171679681
AL1 4FL 1 w164623282
AL1 4GL 1 w164955223
AL1 4HY 1 w169756997
AL1 4JE 4 Hatfield␣Road w164623274
AL1 4JH 1 w170145861
AL1 4JL 9 Hatfield␣Road w164623278
AL1 4JS 5 Hatfield␣Road w164625083
AL1 4JZ 1 w170454106
AL1 4LE 1 w170618391
AL1 4LH 1 w164960883
AL1 4LJ 2 Hatfield␣Road n20697998
AL1 4LR 1 w164954161
AL1 4LU 1 w170145308
AL1 4LW 2 Hatfield␣Road w164954185
AL1 4LX 2 Royal␣Road w28706849
AL1 4NF 3 Clarence␣Park w164618479 Clarence␣Road
AL1 4NF 3 Clarence␣Park w3592428
AL1 4PN 1 w330601464
AL1 4SZ 1 w170645088
AL1 4TA 2 Hatfield␣Road w164960869
AL1 4TB 1 w164960889
AL1 4TF 1 w170698077
AL1 4TG 1 w170698093
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.