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OSM Postcode Mapping for SW18 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 %
SW18 4 243 235 69 29.4%

All units within this sector:

Unit PQI First Seen Last Seen Street Name ML Mapped
SW18 4AD 10 Garratt Lane 2
SW18 4AE 10 2021‑04 0
SW18 4AG 10 0
SW18 4AH 10 0
SW18 4AL 10 0
SW18 4AN 10 0
SW18 4AP 10 0
SW18 4AQ 10 0
SW18 4AR 10 0
SW18 4AS 10 0
SW18 4AT 10 0
SW18 4AU 10 Mapleton Road 1
SW18 4AW 10 Neville Gill Close 1
SW18 4AX 10 0
SW18 4AY 10 0
SW18 4AZ 10 0
SW18 4BA 10 0
SW18 4BB 10 0
SW18 4BD 10 0
SW18 4BE 10 Brathway Road 1
SW18 4BF 10 0
SW18 4BG 10 0
SW18 4BH 10 0
SW18 4BJ 10 0
SW18 4BL 10 2013‑07 0
SW18 4BN 10 0
SW18 4BP 10 Neville Gill Close 1
SW18 4BQ 10 0
SW18 4BS 10 Neville Gill Close 3
SW18 4BT 10 0
SW18 4BW 10 Neville Gill Close 1
SW18 4BX 10 2017‑10 Garratt Lane 1
SW18 4BY 10 2 0
SW18 4DA 10 Garratt Lane 2
SW18 4DB 10 2 0
SW18 4DD 10 Garratt Lane 1
SW18 4DF 10 0
SW18 4DG 10 0
SW18 4DH 10 0
SW18 4DJ 10 Garratt Lane 2
SW18 4DL 10 0
SW18 4DN 10 0
SW18 4DP 10 0
SW18 4DQ 10 0
SW18 4DR 10 0
SW18 4DS 10 Garratt Lane 1
SW18 4DT 10 0
SW18 4DU 10 0
SW18 4DW 10 Garratt Lane 1
SW18 4DX 10 Garratt Lane 6
SW18 4DY 10 Garratt Lane 6
SW18 4DZ 10 0
SW18 4EA 10 Garratt Lane 1
SW18 4EB 10 0
SW18 4ED 10 Garratt Lane 4
SW18 4EE 10 0
SW18 4EF 10 0
SW18 4EG 10 0
SW18 4EH 10 Garratt Lane 6
SW18 4EJ 10 Garratt Lane 5
SW18 4EL 10 Garratt Lane 6
SW18 4EN 10 0
SW18 4EP 10 Groton Road 1
SW18 4EQ 10 Garratt Lane 1
SW18 4ER 10 0
SW18 4ES 10 Garratt Lane 11
SW18 4ET 10 0
SW18 4EU 10 0
SW18 4EW 10 0
SW18 4EX 10 0
SW18 4EY 10 0
SW18 4EZ 10 0
SW18 4FA 10 0
SW18 4FQ 10 0
SW18 4FR 10 0
SW18 4FS 10 0
SW18 4FT 10 0
SW18 4FU 10 0
SW18 4FW 10 Buckhold Road 2
SW18 4FY 10 Buckhold Road 1
SW18 4GA 10 Mapleton Road 2 1
SW18 4GB 10 2 0
SW18 4GD 10 0
SW18 4GE 10 Spectrum Way 1
SW18 4GF 10 Broomhill Road 1
SW18 4GG 10 Broomhill Road 1
SW18 4GH 10 0
SW18 4GJ 10 0
SW18 4GL 10 Spectrum Way 2 1
SW18 4GN 10 2 0
SW18 4GP 10 Buckhold Road 3
SW18 4GQ 10 Filament Walk 1
SW18 4GR 10 0
SW18 4GS 10 Hardwicks Square 1
SW18 4GT 10 Knaresborough Drive 2 1
SW18 4GU 10 2 0
SW18 4GW 10 0
SW18 4GY 10 0
SW18 4GZ 10 0
SW18 4HA 10 0
SW18 4HB 10 0
SW18 4HD 10 0
SW18 4HE 10 0
SW18 4HF 10 0
SW18 4HG 10 0
SW18 4HH 10 Steerforth Street 1
SW18 4HJ 10 Garratt Lane 4
SW18 4HL 10 Garratt Lane 3
SW18 4HN 10 Garratt Lane 9
SW18 4HP 10 Garratt Lane 12
SW18 4HQ 10 0
SW18 4HR 10 0
SW18 4HS 10 0
SW18 4HT 10 0
SW18 4HU 10 Hardwicks Square 2
SW18 4HW 10 Garratt Lane 7
SW18 4HX 10 0
SW18 4HY 10 Wandsworth High Street 1
SW18 4HZ 10 Chapel Yard 2
SW18 4JA 10 0
SW18 4JB 10 Wandsworth High Street 8
SW18 4JE 10 Wandsworth High Street 2 5
SW18 4JF 10 Broomhill Road 2
SW18 4JG 10 Broomhill Road 2
SW18 4JJ 10 Wandsworth High Street 1
SW18 4JP 10 Wandsworth High Street 1
SW18 4JQ 10 0
SW18 4JR 10 2015‑10 0
SW18 4JS 10 Hardwicks Square 2 3
SW18 4JT 10 Hardwicks Square 3
SW18 4JY 10 0
SW18 4JZ 10 2018‑07 0
SW18 4LA 10 Wandsworth High Street 1
SW18 4LB 10 Wandsworth High Street 9
SW18 4LD 10 Wandsworth High Street 3
SW18 4LG 10 2016‑10 0
SW18 4LH 10 2 0
SW18 4LJ 10 0
SW18 4LL 10 0
SW18 4LN 10 0
SW18 4LP 10 2 0
SW18 4LQ 10 2015‑10 0
SW18 4LR 10 0
SW18 4LS 10 2 0
SW18 4LT 10 0
SW18 4LU 10 0
SW18 4LW 10 0
SW18 4LX 10 Chapel Yard 1
SW18 4LY 10 0
SW18 4LZ 10 Bendon Valley 1
SW18 4NB 10 0
SW18 4NJ 10 0
SW18 4NL 10 0
SW18 4NN 10 49 0
SW18 4NP 10 0
SW18 4NR 10 0
SW18 4NS 10 0
SW18 4NT 10 0
SW18 4NU 10 0
SW18 4NW 10 0
SW18 4NX 10 0
SW18 4NY 10 0
SW18 4NZ 10 0
SW18 4PA 10 0
SW18 4PB 10 0
SW18 4PD 10 0
SW18 4PF 10 0
SW18 4PG 10 2 0
SW18 4PJ 10 0
SW18 4PL 10 0
SW18 4PN 10 0
SW18 4PP 10 0
SW18 4PQ 10 2 0
SW18 4PR 10 0
SW18 4PS 10 0
SW18 4PT 10 0
SW18 4PU 10 0
SW18 4PW 10 0
SW18 4PX 10 0
SW18 4PY 10 0
SW18 4PZ 10 0
SW18 4QA 10 Penwith Road 0
SW18 4QB 10 Penwith Road 1
SW18 4QD 10 0
SW18 4QE 10 0
SW18 4QF 10 2 0
SW18 4QG 50 2 0
SW18 4QJ 10 0
SW18 4QL 10 0
SW18 4QN 10 0
SW18 4QP 10 0
SW18 4QR 10 0
SW18 4QS 10 0
SW18 4QT 10 0
SW18 4QW 10 0
SW18 4QX 10 0
SW18 4QZ 10 0
SW18 4RA 10 0
SW18 4RB 10 0
SW18 4RD 10 Red Lion Square 1
SW18 4RE 10 0
SW18 4RG 10 Buckhold Road 2 1
SW18 4RH 10 2 0
SW18 4RL 10 6 0
SW18 4RN 10 0
SW18 4RP 10 0
SW18 4RQ 10 0
SW18 4RR 10 0
SW18 4RS 10 0
SW18 4RU 10 0
SW18 4RW 10 0
SW18 4RX 10 0
SW18 4RY 10 0
SW18 4RZ 10 0
SW18 4SA 10 0
SW18 4SB 10 6 0
SW18 4SD 10 6 0
SW18 4SE 10 2016‑10 6 0
SW18 4SF 10 6 0
SW18 4SH 10 6 0
SW18 4SJ 10 6 0
SW18 4SL 10 Garratt Lane 4
SW18 4SN 10 Garratt Lane 2
SW18 4SQ 10 0
SW18 4SR 10 Garratt Lane 18
SW18 4SS 10 0
SW18 4ST 10 Garratt Lane 11
SW18 4SU 10 Garratt Lane 5
SW18 4SW 10 Garratt Lane 11
SW18 4SX 10 Garratt Lane 9
SW18 4TE 10 0
SW18 4TF 10 Wandsworth High Street 4
SW18 4TG 10 Southside Shopping Centre 2
SW18 4TH 10 0
SW18 4TP 10 0
SW18 4TQ 10 Wandsworth High Street 1
SW18 4TS 10 0
SW18 4TT 10 2 0
SW18 4TU 10 2019‑01 0
SW18 4UD 10 0
SW18 4UE 10 0
SW18 4UH 10 0
SW18 4UJ 10 0
SW18 4UL 10 0
SW18 4UN 10 0
SW18 4UQ 10 0
SW18 4UR 10 Riverdale Drive 1
SW18 4UT 10 0
SW18 4UW 10 0
SW18 4WL 10 0
SW18 4WW 10 Buckhold Road 0
SW18 4XF 10 0
SW18 4XG 10 0
SW18 4XH 10 0
SW18 4YA 10 0
SW18 4YE 10 2013‑07 0
SW18 4ZD 10 2013‑07 0
SW18 4ZT 10 49 0

Units with street mismatches in this sector:

Unit Mapped Dominant Street OSM Object Tagged Street
SW18 4AW 1 Neville␣Gill␣Close n3559189781
SW18 4JS 3 Hardwicks␣Square n4340962029 Buckhold␣Road
SW18 4TF 4 Wandsworth␣High␣Street n3627022454 Southside␣Shopping␣Centre
SW18 4TF 4 Wandsworth␣High␣Street n3586383895 Garratt␣Lane
SW18 4TG 2 Southside␣Shopping␣Centre n416381278
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.