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OSM Postcode Mapping for TW20 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 %
TW20 0 251 247 27 10.9%

All units within this sector:

Unit PQI First Seen Last Seen Street Name ML Mapped
TW20 0AA 10 Riverside 1
TW20 0AB 10 0
TW20 0AD 10 0
TW20 0AE 10 Windsor Road 4
TW20 0AF 50 0
TW20 0AG 10 0
TW20 0AH 50 0
TW20 0AL 10 0
TW20 0AP 10 0
TW20 0AQ 10 0
TW20 0AR 10 0
TW20 0AS 10 0
TW20 0AT 10 0
TW20 0AU 10 0
TW20 0AW 10 0
TW20 0AX 10 0
TW20 0AY 10 Egham Hill 1
TW20 0BA 10 0
TW20 0BB 10 0
TW20 0BD 10 0
TW20 0BE 10 0
TW20 0BF 10 0
TW20 0BG 10 0
TW20 0BH 10 0
TW20 0BJ 10 0
TW20 0BL 10 Chestnut Drive 1
TW20 0BN 10 0
TW20 0BP 10 0
TW20 0BQ 10 Egham Hill 3
TW20 0BT 10 0
TW20 0BW 10 0
TW20 0BY 10 St Judes Road 2
TW20 0BZ 10 0
TW20 0DB 10 St Judes Road 3
TW20 0DD 10 2019‑12 0
TW20 0DE 10 0
TW20 0DF 10 0
TW20 0DH 10 0
TW20 0DN 10 0
TW20 0DP 10 0
TW20 0DQ 10 0
TW20 0DT 10 0
TW20 0DU 10 0
TW20 0DW 10 0
TW20 0DX 10 0
TW20 0DY 10 0
TW20 0DZ 10 0
TW20 0EA 10 0
TW20 0EB 10 0
TW20 0ED 10 0
TW20 0EE 10 0
TW20 0EG 10 0
TW20 0EH 10 0
TW20 0EJ 10 0
TW20 0EL 10 0
TW20 0EP 10 0
TW20 0EQ 10 0
TW20 0ER 10 0
TW20 0ES 10 0
TW20 0ET 10 0
TW20 0EU 10 0
TW20 0EX 10 Egham Hill 4
TW20 0EY 10 0
TW20 0FY 10 30 0
TW20 0GB 10 30 0
TW20 0GJ 10 0
TW20 0GL 10 0
TW20 0GP 10 0
TW20 0GR 50 2021‑04 30 0
TW20 0GS 10 0
TW20 0GT 10 0
TW20 0HF 10 0
TW20 0HH 10 2013‑07 0
TW20 0HJ 10 0
TW20 0HL 10 0
TW20 0HN 10 Wick Road 1
TW20 0HP 10 0
TW20 0HQ 10 0
TW20 0HR 10 0
TW20 0HS 10 London Road 1
TW20 0HT 10 0
TW20 0HU 10 0
TW20 0JB 10 0
TW20 0JD 50 0
TW20 0JF 10 0
TW20 0JG 10 0
TW20 0JH 10 0
TW20 0JJ 10 0
TW20 0JL 10 0
TW20 0JN 10 0
TW20 0JP 10 0
TW20 0JQ 10 Middle Hill 1
TW20 0JR 10 0
TW20 0JS 10 0
TW20 0JT 10 0
TW20 0JU 10 1
TW20 0JW 10 0
TW20 0JX 10 0
TW20 0JY 10 0
TW20 0LA 10 0
TW20 0LB 10 0
TW20 0LD 10 Parsonage Road 1
TW20 0LE 10 0
TW20 0LF 10 0
TW20 0LG 10 0
TW20 0LH 10 0
TW20 0LJ 10 0
TW20 0LL 10 0
TW20 0LN 10 0
TW20 0LQ 10 0
TW20 0LR 10 0
TW20 0LS 10 0
TW20 0LT 10 0
TW20 0LU 10 0
TW20 0LW 10 0
TW20 0LX 10 0
TW20 0LY 10 0
TW20 0LZ 10 0
TW20 0NB 10 0
TW20 0ND 10 0
TW20 0NE 10 0
TW20 0NF 10 0
TW20 0NG 10 0
TW20 0NH 10 Tite Hill 1
TW20 0NJ 10 0
TW20 0NL 10 0
TW20 0NN 10 0
TW20 0NP 10 Barley Mow Road 1
TW20 0NQ 10 0
TW20 0NR 10 0
TW20 0NS 10 0
TW20 0NT 10 0
TW20 0NU 10 0
TW20 0NW 10 0
TW20 0NX 10 Barley Mow Road 1
TW20 0PA 10 0
TW20 0PB 10 0
TW20 0PD 10 0
TW20 0PE 10 0
TW20 0PF 10 0
TW20 0PG 10 0
TW20 0PH 10 0
TW20 0PJ 10 0
TW20 0PL 10 0
TW20 0PN 10 0
TW20 0PP 10 0
TW20 0PQ 10 0
TW20 0PR 10 0
TW20 0PS 10 0
TW20 0PT 10 0
TW20 0PU 10 0
TW20 0PW 10 0
TW20 0PX 10 0
TW20 0PY 10 Bond Street 1
TW20 0PZ 10 0
TW20 0QA 10 0
TW20 0QB 10 0
TW20 0QD 10 0
TW20 0QE 10 0
TW20 0QF 10 0
TW20 0QG 10 0
TW20 0QH 10 0
TW20 0QL 10 0
TW20 0QN 10 0
TW20 0QP 10 2019‑12 0
TW20 0QQ 10 0
TW20 0QR 10 Harvest Road 1
TW20 0QS 10 Harvest Road 1
TW20 0QT 10 0
TW20 0QU 10 0
TW20 0QX 10 Victoria Street 2
TW20 0QY 10 Victoria Street 1
TW20 0QZ 10 2016‑10 0
TW20 0RA 10 0
TW20 0RB 10 0
TW20 0RD 10 0
TW20 0RE 10 0
TW20 0RF 10 0
TW20 0RG 10 0
TW20 0RJ 10 0
TW20 0RL 10 0
TW20 0RN 10 0
TW20 0RP 10 0
TW20 0RQ 10 0
TW20 0RR 10 0
TW20 0RS 10 0
TW20 0RT 10 0
TW20 0RU 10 Bagshot Road 1
TW20 0RW 10 0
TW20 0RX 10 0
TW20 0RY 10 Bagshot Road 1
TW20 0RZ 10 0
TW20 0SB 10 0
TW20 0SD 10 0
TW20 0SE 10 0
TW20 0SF 10 0
TW20 0SG 10 0
TW20 0SH 10 0
TW20 0SJ 10 0
TW20 0SL 10 0
TW20 0SN 10 0
TW20 0SP 10 0
TW20 0SQ 10 0
TW20 0SR 10 0
TW20 0SS 10 0
TW20 0ST 10 0
TW20 0SU 10 0
TW20 0SW 10 0
TW20 0SX 10 0
TW20 0SY 10 Ashwood Road 1
TW20 0SZ 10 0
TW20 0TA 10 0
TW20 0TB 10 0
TW20 0TD 10 0
TW20 0TE 10 0
TW20 0TF 10 Cherrywood Avenue 6
TW20 0TG 10 0
TW20 0TH 10 0
TW20 0TJ 10 0
TW20 0TL 10 0
TW20 0TN 10 0
TW20 0TP 10 0
TW20 0TQ 10 0
TW20 0TR 10 0
TW20 0TW 10 0
TW20 0TX 10 0
TW20 0TY 10 0
TW20 0TZ 10 0
TW20 0UA 10 0
TW20 0UB 10 0
TW20 0UD 10 0
TW20 0UE 10 0
TW20 0UF 10 2019‑04 Englefield Green 1
TW20 0UG 10 0
TW20 0UH 10 0
TW20 0UJ 10 0
TW20 0UL 10 0
TW20 0UN 10 0
TW20 0UU 10 0
TW20 0WN 10 30 0
TW20 0WP 10 30 0
TW20 0WQ 10 2019‑07 21 0
TW20 0WW 10 2017‑07 21 0
TW20 0XA 10 0
TW20 0XB 10 0
TW20 0XD 10 0
TW20 0XE 10 0
TW20 0XN 10 0
TW20 0XP 10 0
TW20 0XT 10 0
TW20 0XU 10 Englefield Green 1
TW20 0XY 10 0
TW20 0YB 10 0
TW20 0YD 10 0
TW20 0YG 10 0
TW20 0YJ 10 Englefield Green 1
TW20 0YL 10 0
TW20 0YN 10 0
TW20 0YS 10 0
TW20 0YT 10 30 0
TW20 0YU 10 0
TW20 0YW 10 0
TW20 0YX 10 0

Units with street mismatches in this sector:

Unit Mapped Dominant Street OSM Object Tagged Street
TW20 0AE 4 Windsor␣Road n267629324
TW20 0AE 4 Windsor␣Road r12937285
TW20 0AE 4 Windsor␣Road w159238769
TW20 0BQ 3 Egham␣Hill w195889704 Chestnut␣Drive
TW20 0DB 3 St␣Judes␣Road n1584688730 Saint␣Judes␣Road
TW20 0JU 1 w335336006
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.