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OSM Postcode Mapping for TW9 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 2024‑04‑10 08:21:28 Z.)

District Sector Units Geo. Units Mapped %
TW9 4 141 139 129 92.8%

All units within this sector:

Unit PQI First Seen Last Seen Street Name ML Mapped
TW9 4AA 10 Mortlake Road 30
TW9 4AB 10 0
TW9 4AD 10 Kew Retail Park 6
TW9 4AE 10 Melliss Avenue 1
TW9 4AF 10 7
TW9 4AG 10 2019‑01 56 0
TW9 4AH 10 Woodman Mews 4
TW9 4AJ 10 2019‑01 56 0
TW9 4AL 10 West Park Avenue 1
TW9 4AN 10 0
TW9 4AP 10 1
TW9 4AQ 10 Orchard Road 1
TW9 4AR 10 Mortlake Road 8
TW9 4AS 10 Mortlake Road 25
TW9 4AT 10 Mortlake Road 15
TW9 4AU 10 2013‑07 0
TW9 4AW 10 Mortlake Road 22
TW9 4AY 10 Orchard Road 1
TW9 4BA 10 1
TW9 4BB 10 Melliss Avenue 1
TW9 4BD 10 Melliss Avenue 1
TW9 4BE 10 Melliss Avenue 1
TW9 4BF 10 Melliss Avenue 1
TW9 4BG 10 Melliss Avenue 1
TW9 4BH 10 High Park Road 21
TW9 4BJ 10 High Park Road 12
TW9 4BL 10 High Park Road 11
TW9 4BN 10 High Park Avenue 1
TW9 4BP 10 Kelsall Mews 6
TW9 4BQ 10 Melliss Avenue 7
TW9 4BS 10 Melliss Avenue 1
TW9 4BT 10 Whitcome Mews 7
TW9 4BU 10 1
TW9 4BW 10 High Park Avenue 1
TW9 4BX 10 Melliss Avenue 1
TW9 4BY 10 Melliss Avenue 1
TW9 4BZ 10 1
TW9 4DA 10 West Park Road 24
TW9 4DB 10 West Park Road 15
TW9 4DD 10 Beechwood Avenue 26
TW9 4DE 10 Beechwood Avenue 28
TW9 4DF 10 Burlington Avenue 23
TW9 4DG 10 Burlington Avenue 18
TW9 4DH 10 0
TW9 4DJ 10 Ruskin Avenue 11
TW9 4DL 10 Defoe Avenue 20
TW9 4DN 10 Strand Drive 1
TW9 4DP 10 Strand Drive 1
TW9 4DQ 10 0
TW9 4DR 10 Ruskin Avenue 11
TW9 4DS 10 Defoe Avenue 24
TW9 4DT 10 Defoe Avenue 23
TW9 4DU 10 1
TW9 4DX 10 Strand Drive 1
TW9 4DZ 10 Strand Drive 1
TW9 4EA 10 Taylor Avenue 1
TW9 4EB 10 Taylor Avenue 22
TW9 4ED 10 Taylor Avenue 28
TW9 4EE 10 West Hall Road 2
TW9 4EF 10 0
TW9 4EG 10 0
TW9 4EJ 10 0
TW9 4EL 10 Townmead Road 2
TW9 4EN 10 Kew Meadow Path 4
TW9 4EP 10 Courtlands Avenue 17
TW9 4EQ 10 1
TW9 4ER 10 2019‑01 56 0
TW9 4ES 10 Courtlands Avenue 2
TW9 4ET 10 Barker Close 3
TW9 4EU 10 Strand Drive 1
TW9 4EW 10 Mortlake Road 20
TW9 4EY 10 Carmel Way 1
TW9 4EZ 10 Strand Drive 1
TW9 4FA 10 Levett Square 1
TW9 4FB 10 0
TW9 4FD 10 Levett Square 1
TW9 4FE 10 Levett Square 1
TW9 4FF 10 Levett Square 2
TW9 4FG 10 Orchard Road 2
TW9 4HA 10 North Road 11
TW9 4HB 10 1
TW9 4HD 10 North Road 15
TW9 4HE 10 McDougall Court 3
TW9 4HF 10 Atwood Avenue 26
TW9 4HG 10 Atwood Avenue 15
TW9 4HH 10 Nylands Avenue 18
TW9 4HJ 10 North Road 8
TW9 4HP 10 Pensford Avenue 28
TW9 4HQ 10 North Road 28
TW9 4HR 10 Pensford Avenue 18
TW9 4HW 10 Pensford Avenue 1
TW9 4JA 10 Marksbury Avenue 10
TW9 4JB 10 Chilton Road 24
TW9 4JD 10 Chilton Road 11
TW9 4JE 10 Marksbury Avenue 27
TW9 4JF 10 Marksbury Avenue 36
TW9 4JG 10 Chelwood Gardens 21
TW9 4JH 10 Chaucer Avenue 25
TW9 4JJ 10 Chaucer Avenue 23
TW9 4JL 10 Garrick Road 8
TW9 4JN 10 Thompson Avenue 24
TW9 4JP 10 Thompson Avenue 31
TW9 4JQ 10 Chelwood Gardens 21
TW9 4JR 10 The Haven 13
TW9 4JT 10 Hester Terrace 3
TW9 4JW 10 Thompson Avenue 42
TW9 4LA 10 Dancer Road 15
TW9 4LB 10 Dancer Road 5
TW9 4LD 10 Dancer Road 12
TW9 4LE 10 Lower Richmond Road 1
TW9 4LF 10 Darell Road 13
TW9 4LG 10 Darell Road 8
TW9 4LH 10 Niton Road 30
TW9 4LJ 10 Popham Gardens 20
TW9 4LL 10 0
TW9 4LN 10 Lower Richmond Road 18
TW9 4LQ 10 Darell Road 4
TW9 4LS 10 Elsinore Way 2
TW9 4LT 10 Lower Richmond Road 0
TW9 4LU 10 Lower Richmond Road 27
TW9 4LX 10 The Parade 2
TW9 4LZ 10 Market Road 3
TW9 4NB 10 Canberra Place 6
TW9 4NG 10 Parison Close 3
TW9 4NH 10 Parison Close 2
TW9 4NR 10 Garden Road 3
TW9 4NY 10 2013‑07 0
TW9 4NZ 10 Lower Richmond Road 5
TW9 4PL 10 Orchard Road 3
TW9 4PN 10 1
TW9 4QE 10 Manor Grove 11
TW9 4QF 10 Manor Grove 54
TW9 4QG 10 Manor Grove 38
TW9 4QH 10 Manor Grove 29
TW9 4QJ 10 Manor Grove 21
TW9 4QL 10 Bicester Road 26
TW9 4QN 10 Bicester Road 33
TW9 4QP 10 Somerton Avenue 48
TW9 4QQ 10 Manor Grove 48
TW9 4QR 10 Lambert Avenue 17
TW9 4QS 10 Lambert Avenue 13
TW9 4QT 10 Lambert Avenue 26
TW9 4QU 10 Lambert Avenue 25
TW9 4QW 10 The Close 8
TW9 4RS 10 56 0
TW9 4SW 10 0
TW9 4WD 10 2019‑01 56 0
TW9 4WF 10 2019‑01 56 0
TW9 4WG 10 2013‑07 0
TW9 4WN 10 0
TW9 4WS 10 2015‑10 0
TW9 4WX 10 0
TW9 4XA 10 56 0
TW9 4XD 10 0
TW9 4XR 10 2015‑10 0
TW9 4XZ 10 2013‑07 0
TW9 4YB 10 0

Units with street mismatches in this sector:

Unit Mapped Dominant Street OSM Object Tagged Street
TW9 4AA 30 Mortlake␣Road n3758668681 Bessant␣Drive
TW9 4AD 6 Kew␣Retail␣Park w165277675
TW9 4AD 6 Kew␣Retail␣Park w165277670 Bessant␣Drive
TW9 4AD 6 Kew␣Retail␣Park w165277676 Mortlake␣Road
TW9 4AF 7 w378028400
TW9 4AF 7 w378028404
TW9 4AF 7 w378028359
TW9 4AF 7 w378028387
TW9 4AF 7 w378028403
TW9 4AF 7 w378028350
TW9 4AF 7 w378028372
TW9 4AP 1 w377998036
TW9 4BA 1 w191629764
TW9 4BU 1 w377998042
TW9 4BZ 1 w377998045
TW9 4DA 24 West␣Park␣Road w704281119 North␣Road
TW9 4DU 1 w4788807
TW9 4EN 4 Kew␣Meadow␣Path w44534312 Townmead␣Road
TW9 4EN 4 Kew␣Meadow␣Path w870771803
TW9 4EQ 1 w517446088
TW9 4ES 2 Courtlands␣Avenue n9735202057 Townmead␣Road
TW9 4HB 1 w1266602068
TW9 4JF 36 Marksbury␣Avenue w570765888
TW9 4LJ 20 Popham␣Gardens n4837607138 Lower␣Richmond␣Road
TW9 4NR 3 Garden␣Road w572580586
TW9 4NR 3 Garden␣Road w572580587 Orchard␣Road
TW9 4PN 1 w85484700
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.