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OSM Postcode Mapping for SL3 8 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 %
SL3 8 293 289 72 24.9%

All units within this sector:

Unit PQI First Seen Last Seen Street Name ML Mapped
SL3 8AA 10 2021‑12 1
SL3 8AB 10 2021‑12 1
SL3 8AD 10 2021‑12 0
SL3 8AE 10 2021‑12 0
SL3 8AF 10 2021‑12 0
SL3 8AG 10 2021‑12 1
SL3 8AH 10 2021‑12 1
SL3 8AJ 10 2021‑12 1
SL3 8AL 10 2021‑12 0
SL3 8AN 10 2021‑12 1
SL3 8AP 10 2021‑12 1
SL3 8AQ 10 2021‑12 1
SL3 8AR 10 2021‑12 1
SL3 8AS 10 2021‑12 0
SL3 8AT 10 2021‑12 1
SL3 8AU 10 2021‑12 0
SL3 8AW 10 2021‑12 1
SL3 8AX 10 2021‑12 0
SL3 8AY 10 2021‑12 0
SL3 8AZ 10 2021‑12 0
SL3 8BA 10 2021‑12 0
SL3 8BB 10 2021‑12 0
SL3 8BD 10 2021‑12 Parlaunt Road 1
SL3 8BE 10 2021‑12 0
SL3 8BG 10 2021‑12 0
SL3 8BH 10 2021‑12 0
SL3 8BJ 10 2021‑12 0
SL3 8BL 10 2021‑12 0
SL3 8BN 10 2021‑12 0
SL3 8BP 10 2021‑12 0
SL3 8BQ 10 2021‑12 0
SL3 8BS 10 2021‑12 0
SL3 8BT 10 2021‑12 Station Road 1
SL3 8BU 10 2021‑12 0
SL3 8BW 10 2021‑12 0
SL3 8BY 10 2021‑12 0
SL3 8BZ 10 2021‑12 0
SL3 8DA 10 2021‑12 0
SL3 8DB 10 2021‑12 0
SL3 8DD 10 2021‑12 0
SL3 8DE 10 2021‑12 0
SL3 8DF 10 2021‑12 0
SL3 8DG 10 2021‑12 0
SL3 8DH 10 2021‑12 0
SL3 8DJ 10 2021‑12 0
SL3 8DL 10 2021‑12 0
SL3 8DN 10 2021‑12 0
SL3 8DP 10 2021‑12 0
SL3 8DQ 10 2021‑12 0
SL3 8DR 10 2013‑07 0
SL3 8DS 10 2021‑12 0
SL3 8DT 10 2021‑12 0
SL3 8DU 10 2021‑12 0
SL3 8DW 10 2021‑12 0
SL3 8DX 10 2021‑12 0
SL3 8DY 10 2021‑12 0
SL3 8DZ 10 2021‑12 0
SL3 8EA 10 2021‑12 0
SL3 8EB 10 2021‑12 0
SL3 8ED 10 2021‑12 0
SL3 8EE 10 2021‑12 0
SL3 8EF 10 2021‑12 0
SL3 8EG 10 2021‑12 0
SL3 8EH 10 2021‑12 0
SL3 8EJ 10 2021‑12 0
SL3 8EL 10 2021‑12 0
SL3 8EN 10 2021‑12 0
SL3 8EP 10 2021‑12 0
SL3 8EQ 10 2021‑12 1
SL3 8ER 10 2021‑12 0
SL3 8ES 10 2021‑12 0
SL3 8ET 10 2021‑12 0
SL3 8EU 10 2019‑01 Harrow Market 0
SL3 8EW 10 2021‑12 0
SL3 8EX 10 2021‑12 0
SL3 8EY 10 2021‑12 0
SL3 8EZ 10 2021‑12 0
SL3 8FA 10 2021‑12 0
SL3 8FB 10 2021‑12 2021‑12 0
SL3 8FG 10 2021‑12 1
SL3 8GB 10 2021‑12 0
SL3 8GE 10 2021‑12 0
SL3 8GF 10 2021‑12 0
SL3 8GH 10 2021‑12 1
SL3 8GP 10 2021‑12 0
SL3 8GQ 10 2021‑12 0
SL3 8GS 10 2021‑12 0
SL3 8GU 10 2021‑12 0
SL3 8GW 10 2021‑12 0
SL3 8GX 10 2021‑12 0
SL3 8GY 10 2021‑12 0
SL3 8GZ 10 2021‑12 0
SL3 8HA 10 2021‑12 0
SL3 8HB 10 2021‑12 0
SL3 8HD 10 2021‑12 0
SL3 8HE 10 2021‑12 0
SL3 8HF 10 2021‑12 1
SL3 8HG 10 2015‑10 0
SL3 8HJ 10 2021‑12 Harrow Road 5
SL3 8HL 10 2021‑12 Meadfield Road 4
SL3 8HN 10 2021‑12 Meadfield Road 4
SL3 8HP 10 2021‑12 0
SL3 8HR 10 2021‑12 Meadfield Road 2
SL3 8HS 10 2021‑12 0
SL3 8HT 10 2021‑12 0
SL3 8HU 10 2021‑12 0
SL3 8HW 10 2021‑12 0
SL3 8HX 10 2021‑12 0
SL3 8HY 10 2021‑12 0
SL3 8HZ 10 2021‑12 0
SL3 8JA 10 2021‑12 0
SL3 8JB 10 2021‑12 0
SL3 8JD 10 2021‑12 0
SL3 8JE 10 2021‑12 0
SL3 8JF 10 2021‑12 Meadfield Road 1
SL3 8JG 10 2021‑12 0
SL3 8JH 10 2021‑12 Willoughby Road 1
SL3 8JJ 10 2021‑12 0
SL3 8JL 10 2021‑12 0
SL3 8JN 10 2021‑12 0
SL3 8JP 10 2021‑12 0
SL3 8JQ 10 2021‑12 0
SL3 8JR 10 2021‑12 0
SL3 8JS 10 2021‑12 0
SL3 8JT 10 2021‑12 0
SL3 8JU 10 2021‑12 0
SL3 8JW 10 2021‑12 0
SL3 8JX 10 2021‑12 0
SL3 8JY 10 2021‑12 0
SL3 8JZ 10 2021‑12 0
SL3 8LA 10 2021‑12 0
SL3 8LB 10 2021‑12 0
SL3 8LD 10 2021‑12 0
SL3 8LE 10 2021‑12 0
SL3 8LF 10 2021‑12 0
SL3 8LG 10 2021‑12 0
SL3 8LH 10 2021‑12 0
SL3 8LJ 10 2021‑12 0
SL3 8LL 10 2021‑12 0
SL3 8LN 10 2021‑12 0
SL3 8LP 10 2021‑12 0
SL3 8LQ 10 2021‑12 0
SL3 8LR 10 2021‑12 0
SL3 8LS 10 2021‑12 0
SL3 8LT 10 2021‑12 0
SL3 8LU 10 2021‑12 0
SL3 8LW 10 2021‑12 0
SL3 8LX 10 2021‑12 0
SL3 8LY 10 2021‑12 0
SL3 8LZ 10 2021‑12 0
SL3 8NA 10 2021‑12 0
SL3 8NB 10 2021‑12 0
SL3 8ND 10 2021‑12 0
SL3 8NE 10 2021‑12 0
SL3 8NF 10 2021‑12 High Street 1
SL3 8NG 10 2021‑12 0
SL3 8NH 10 2021‑12 0
SL3 8NJ 10 2021‑12 0
SL3 8NL 10 2021‑12 0
SL3 8NN 10 2021‑12 0
SL3 8NP 10 2021‑12 0
SL3 8NQ 10 2021‑12 0
SL3 8NR 10 2021‑12 0
SL3 8NS 10 2021‑12 0
SL3 8NT 10 2021‑12 0
SL3 8NU 10 2021‑12 0
SL3 8NW 10 2021‑12 0
SL3 8NX 10 2021‑12 0
SL3 8NY 10 2021‑12 0
SL3 8NZ 10 2021‑12 0
SL3 8PA 10 2021‑12 0
SL3 8PB 10 2021‑12 0
SL3 8PD 10 2021‑12 0
SL3 8PE 10 2021‑12 0
SL3 8PF 10 2021‑12 0
SL3 8PG 10 2021‑12 0
SL3 8PL 10 2021‑12 0
SL3 8PN 10 2021‑12 1
SL3 8PP 10 2021‑12 0
SL3 8PQ 10 2021‑12 0
SL3 8PR 10 2021‑12 0
SL3 8PS 10 2021‑12 London Road 1
SL3 8PT 10 2021‑12 1
SL3 8PU 10 2021‑12 0
SL3 8PW 10 2021‑12 0
SL3 8PX 10 2021‑12 0
SL3 8PY 10 2021‑12 1
SL3 8PZ 10 2021‑12 1
SL3 8QB 10 2021‑12 1
SL3 8QD 10 2021‑12 0
SL3 8QE 10 2021‑12 1
SL3 8QF 10 2021‑12 London Road 1
SL3 8QG 10 2021‑12 0
SL3 8QH 10 2021‑12 0
SL3 8QJ 10 2021‑12 0
SL3 8QL 10 2021‑12 1
SL3 8QN 10 2021‑12 1
SL3 8QP 10 2021‑12 0
SL3 8QQ 10 2021‑12 0
SL3 8QR 10 2021‑12 1
SL3 8QS 10 2021‑12 1
SL3 8QT 10 2021‑12 1
SL3 8QU 10 2021‑12 1
SL3 8QW 10 2021‑12 1
SL3 8QX 10 2021‑12 1
SL3 8QY 10 2021‑12 0
SL3 8RA 10 2021‑12 1
SL3 8RB 10 2021‑12 1
SL3 8RD 10 2021‑12 1
SL3 8RF 10 2021‑12 0
SL3 8RG 10 2021‑12 0
SL3 8RH 10 2021‑12 0
SL3 8RJ 10 2021‑12 0
SL3 8RL 10 2021‑12 0
SL3 8RN 10 2021‑12 0
SL3 8RP 10 2021‑12 0
SL3 8RQ 10 2021‑12 0
SL3 8RR 10 2021‑12 0
SL3 8RS 10 2021‑12 0
SL3 8RT 10 2021‑12 0
SL3 8RU 10 2021‑12 0
SL3 8RW 10 2021‑12 0
SL3 8RX 10 2021‑12 0
SL3 8RY 10 2021‑12 0
SL3 8RZ 10 2021‑12 0
SL3 8SA 10 2021‑12 0
SL3 8SB 10 2021‑12 0
SL3 8SD 10 2021‑12 0
SL3 8SE 10 2021‑12 0
SL3 8SF 10 2021‑12 0
SL3 8SG 10 2021‑12 0
SL3 8SH 10 2021‑12 0
SL3 8SJ 10 2021‑12 0
SL3 8SQ 10 2021‑12 0
SL3 8SR 10 2021‑12 0
SL3 8SS 10 2021‑12 0
SL3 8ST 10 2021‑12 0
SL3 8SU 10 2021‑12 0
SL3 8SX 10 2021‑12 0
SL3 8SY 10 2021‑12 1
SL3 8SZ 10 2021‑12 0
SL3 8TA 10 2021‑12 1
SL3 8TB 10 2021‑12 0
SL3 8TN 10 2021‑12 3 1
SL3 8TP 10 2021‑12 0
SL3 8TR 10 2021‑12 3 0
SL3 8TS 10 2021‑12 3 1
SL3 8TT 10 2021‑12 2 0
SL3 8TU 10 2021‑12 2 1
SL3 8TX 10 2021‑12 2
SL3 8TY 10 2021‑12 1
SL3 8TZ 10 2021‑12 1
SL3 8UA 10 2021‑12 1
SL3 8UB 10 2021‑12 0
SL3 8UD 10 2021‑12 1
SL3 8UE 10 2021‑12 1
SL3 8UF 10 2021‑12 1
SL3 8UG 10 2021‑12 1
SL3 8UH 10 2021‑12 1
SL3 8UJ 10 2021‑12 0
SL3 8UL 10 2021‑12 1
SL3 8UP 10 2021‑12 1
SL3 8UQ 10 2021‑12 1
SL3 8UR 10 2021‑12 1
SL3 8US 10 2021‑12 1
SL3 8UT 10 2021‑12 1
SL3 8UU 10 2021‑12 1
SL3 8UX 10 2021‑12 1
SL3 8UY 10 2021‑12 1
SL3 8UZ 10 2021‑12 1
SL3 8WD 10 2019‑01 171 0
SL3 8WE 10 2021‑12 0
SL3 8WF 10 2021‑12 0
SL3 8WG 10 2021‑12 0
SL3 8WN 10 2021‑12 0
SL3 8WQ 10 2021‑12 0
SL3 8WS 10 2021‑12 1
SL3 8WU 10 2019‑01 171 0
SL3 8WW 10 2021‑12 0
SL3 8WY 10 2021‑12 0
SL3 8WZ 10 2021‑12 0
SL3 8XA 10 2021‑12 1
SL3 8XB 10 2021‑12 1
SL3 8XE 10 2021‑12 1
SL3 8XF 10 2019‑01 171 0
SL3 8XH 10 171 0
SL3 8XP 10 2021‑12 1
SL3 8XX 10 2021‑12 0
SL3 8XY 10 2021‑12 0
SL3 8XZ 10 2021‑12 0
SL3 8YA 10 2021‑12 0
SL3 8YB 10 2021‑12 0
SL3 8YD 10 2021‑12 0
SL3 8YE 10 2021‑12 0
SL3 8YF 10 2021‑12 0
SL3 8YG 10 2021‑12 0
SL3 8YH 10 2019‑01 171 0
SL3 8YR 10 0
SL3 8YT 10 0
SL3 8YW 10 2016‑10 0
SL3 8YX 10 2019‑01 171 0
SL3 8ZE 10 2021‑12 171 0
SL3 8ZF 10 171 0
SL3 8ZP 10 2021‑12 171 0
SL3 8ZQ 10 2021‑12 171 0
SL3 8ZU 10 2021‑12 171 0

Units with street mismatches in this sector:

Unit Mapped Dominant Street OSM Object Tagged Street
SL3 8AA 1 w678515252
SL3 8AB 1 w678515240
SL3 8AG 1 w188471551
SL3 8AH 1 w548468908
SL3 8AJ 1 w678490110
SL3 8AN 1 w678490111
SL3 8AP 1 w678515319
SL3 8AQ 1 w23294692
SL3 8AR 1 w678490125
SL3 8AT 1 w678515231
SL3 8AW 1 w678515245
SL3 8EQ 1 w86514381
SL3 8FG 1 w678515233
SL3 8GH 1 w678490087
SL3 8HF 1 n3430756702
SL3 8HJ 5 Harrow␣Road n3419983221 Harrow␣Market
SL3 8HJ 5 Harrow␣Road n3420001203 Harrow␣Market
SL3 8PN 1 w188471563
SL3 8PT 1 w259431220
SL3 8PY 1 w678516213
SL3 8PZ 1 w678516211
SL3 8QB 1 w678515212
SL3 8QE 1 w686507541
SL3 8QL 1 w678516219
SL3 8QN 1 w678516226
SL3 8QR 1 w678516209
SL3 8QS 1 w678516191
SL3 8QT 1 w678516206
SL3 8QU 1 w678516198
SL3 8QW 1 w678516236
SL3 8QX 1 w678516171
SL3 8RA 1 w678516163
SL3 8RB 1 w678516176
SL3 8RD 1 w678516169
SL3 8SY 1 w678490079
SL3 8TA 1 w678515341
SL3 8TN 1 w678490088
SL3 8TS 1 w678490090
SL3 8TU 1 w678490092
SL3 8TX 2 w548468906
SL3 8TX 2 w259431200
SL3 8TY 1 w678490097
SL3 8TZ 1 w678490099
SL3 8UA 1 w472230622
SL3 8UD 1 w472230621
SL3 8UE 1 w472230625
SL3 8UF 1 w472230644
SL3 8UG 1 w472230641
SL3 8UH 1 w472230645
SL3 8UL 1 w678490098
SL3 8UP 1 w678515288
SL3 8UQ 1 w472230654
SL3 8UR 1 w678515328
SL3 8US 1 w188471531
SL3 8UT 1 w678515321
SL3 8UU 1 w678515337
SL3 8UX 1 w678515221
SL3 8UY 1 w678515332
SL3 8UZ 1 w678515302
SL3 8WS 1 w678516215
SL3 8XA 1 w678515281
SL3 8XB 1 w678515279
SL3 8XE 1 w678515246
SL3 8XP 1 w188471570
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.