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OSM Postcode Mapping for NP20 3 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 %
NP20 3 221 222 162 73.0%

All units within this sector:

Unit PQI First Seen Last Seen Street Name ML Mapped
NP20 3AA 10 Cardiff Road 12
NP20 3AB 10 Cardiff Road 27
NP20 3AD 10 Gaer Road 14
NP20 3AE 10 Cardiff Road 13
NP20 3AF 10 0
NP20 3AG 10 Cardiff Road 21
NP20 3AH 10 Cardiff Road 15
NP20 3AJ 10 Cardiff Road 6
NP20 3AL 10 Park Drive 30
NP20 3AN 10 Park Drive 28
NP20 3AP 10 Park Avenue 21
NP20 3AQ 10 Park Crescent 16
NP20 3AR 10 Cardiff Road 10
NP20 3AS 10 0
NP20 3AT 10 0
NP20 3AU 10 0
NP20 3AW 10 St David's Crescent 52
NP20 3AX 10 St David's Crescent 59
NP20 3AY 10 Park Gardens 11
NP20 3AZ 10 Aubrey Hames Close 12
NP20 3BA 10 Cardiff Road 16
NP20 3BB 10 0
NP20 3BD 10 0
NP20 3BE 10 2022‑10 0
NP20 3BG 10 Glassworks Cottages 0
NP20 3BH 10 0
NP20 3BJ 10 0
NP20 3BL 10 0
NP20 3BN 10 0
NP20 3BP 10 Cardiff Road 27
NP20 3BQ 10 0
NP20 3BR 10 0
NP20 3BS 10 0
NP20 3BT 10 0
NP20 3BU 10 0
NP20 3BW 10 0
NP20 3BX 10 0
NP20 3BY 10 0
NP20 3BZ 10 0
NP20 3DA 10 0
NP20 3DB 10 Maesglas Crescent 2
NP20 3DD 10 0
NP20 3DE 10 0
NP20 3DF 10 0
NP20 3DG 10 Maesglas Road 2
NP20 3DH 10 Maesglas Road 8
NP20 3DJ 10 0
NP20 3DL 10 Maesglas Grove 2
NP20 3DN 10 0
NP20 3DP 10 0
NP20 3DQ 10 0
NP20 3DR 10 Cefn Adda Close 64
NP20 3DS 10 Cefn Adda Court 17
NP20 3DW 10 Stelvio Park Close 6
NP20 3DX 10 Stelvio Park Grove 6
NP20 3DY 10 Stelvio Park View 4
NP20 3DZ 10 Stelvio Park Rise 5
NP20 3EA 10 Bassaleg Road 2
NP20 3EB 10 0
NP20 3ED 10 Bassaleg Road 1
NP20 3EE 10 0
NP20 3EF 10 Ombersley Road 2
NP20 3EG 10 Upton Road 29
NP20 3EH 10 West Park Road 15
NP20 3EJ 10 Stelvio Park Drive 30
NP20 3EL 10 Stelvio Park Drive 21
NP20 3EP 10 Stelvio Park Avenue 6
NP20 3EQ 10 Stelvio Park Avenue 2
NP20 3ER 10 Stelvio Park Crescent 15
NP20 3ES 10 Stelvio Park Drive 39
NP20 3ET 10 Melfort Gardens 13
NP20 3EU 10 Stelvio Park Avenue 48
NP20 3EW 10 0
NP20 3EX 10 0
NP20 3EY 10 Stelvio Park Gardens 2
NP20 3FP 10 Melfort Road 30
NP20 3FQ 10 Melfort Road 26
NP20 3FR 10 Melfort Road 33
NP20 3FS 10 Melfort Road 38
NP20 3FT 10 Cae Perllan Road 22
NP20 3FU 10 Cae Perllan Road 31
NP20 3FW 10 Cae Perllan Road 23
NP20 3FX 10 Cae Perllan Road 27
NP20 3FY 10 Cae Brynton Road 39
NP20 3FZ 10 Lansdowne Road 36
NP20 3GA 10 Lansdowne Road 23
NP20 3GB 10 Lyndhurst Avenue 49
NP20 3GD 10 Oaks Close 7
NP20 3GE 10 Cae Brynton Road 3
NP20 3GF 10 New Pastures 36
NP20 3GL 10 Drinkwater Close 12
NP20 3GN 10 Bryngaer Place 2
NP20 3GQ 10 Drinkwater View 5
NP20 3GR 10 Drinkwater Rise 9
NP20 3GT 10 St Martin's Court 3
NP20 3GU 10 Burnfort Road 29
NP20 3GW 10 Highfield Road 16
NP20 3GX 10 Gaer Road 7
NP20 3GY 10 Gaer Road 49
NP20 3GZ 10 Drinkwater Gardens 20
NP20 3HA 10 Masefield Vale 21
NP20 3HD 10 Gaer Road 1
NP20 3HE 10 Arnold Close 2
NP20 3HF 10 Buchan Close 2
NP20 3HG 10 Boswell Close 2
NP20 3HH 10 Browning Close 3
NP20 3HJ 10 Byron Road 31
NP20 3HL 10 Byron Road 4
NP20 3HN 10 Rupert Brooke Drive 7
NP20 3HP 10 Rupert Brooke Drive 40
NP20 3HQ 10 Meredith Close 8
NP20 3HR 10 Gaer Vale 42
NP20 3HS 10 Gaer Vale 29
NP20 3HT 10 Gaer Vale 22
NP20 3HW 10 Shakespeare Crescent 1
NP20 3HX 10 0
NP20 3HY 10 0
NP20 3HZ 10 0
NP20 3JA 10 Shakespeare Crescent 21
NP20 3JB 10 Kipling Hill 14
NP20 3JD 10 0
NP20 3JE 10 Shakespeare Crescent 16
NP20 3JF 10 Collins Close 8
NP20 3JG 10 Cowper Close 12
NP20 3JH 10 Pepys Grove 15
NP20 3JJ 10 Ben Jonson Way 35
NP20 3JL 10 Dickens Drive 10
NP20 3JN 10 Dickens Drive 28
NP20 3JP 10 0
NP20 3JQ 10 Dickens Drive 9
NP20 3JR 10 Shaw Grove 31
NP20 3JS 10 Bronte Grove 18
NP20 3JT 10 Barrie Gardens 5
NP20 3JU 10 Keats Close 13
NP20 3JW 10 Sheridan Close 11
NP20 3JX 10 Lamb Close 12
NP20 3JY 10 0
NP20 3JZ 10 Macaulay Gardens 8
NP20 3LA 10 Scott Close 13
NP20 3LB 10 Burns Close 11
NP20 3LD 10 Marlowe Gardens 4
NP20 3LE 10 Goldsmith Close 4
NP20 3LF 10 Hazlitt Close 8
NP20 3LG 10 Vanburgh Gardens 7
NP20 3LH 10 Hardy Close 11
NP20 3LJ 10 Wells Close 13
NP20 3LL 10 Jane Austen Close 10
NP20 3LN 10 0
NP20 3LP 10 0
NP20 3LQ 10 Shakespeare Crescent 1
NP20 3NA 10 Bassaleg Road 34
NP20 3NB 10 Bassaleg Road 23
NP20 3ND 10 Gaer Park Lane 30
NP20 3NE 10 Gaer Park Lane 27
NP20 3NF 10 Castle Park Road 18
NP20 3NG 10 Castle Park Close 33
NP20 3NH 10 Gaer Park Avenue 49
NP20 3NJ 10 Gaer Park Road 42
NP20 3NL 10 Gaer Park Drive 46
NP20 3NN 10 Gaer Park Drive 5
NP20 3NP 10 Gaer Park Hill 15
NP20 3NQ 10 Gaer Park Hill 18
NP20 3NR 10 Gaer Park Drive 41
NP20 3NS 10 Gaer Park Drive 41
NP20 3NT 10 Gaer Park Road 43
NP20 3NU 10 Gaer Park Road 16
NP20 3NW 10 Gaer Park Avenue 50
NP20 3NX 10 Gaer Park Parade 8
NP20 3PA 10 Golden Mile View 2
NP20 3PB 10 Golden Mile View 1
NP20 3PD 10 Golden Mile View 2
NP20 3PE 10 Golden Mile View 1
NP20 3PF 10 Golden Mile View 2
NP20 3PG 10 Golden Mile View 1
NP20 3PH 10 Golden Mile View 2
NP20 3PJ 10 Golden Mile View 1
NP20 3PL 10 Golden Mile View 1
NP20 3PN 10 Golden Mile View 3
NP20 3PP 10 Risca Road 18
NP20 3PQ 10 Risca Road 18
NP20 3PR 10 0
NP20 3PS 10 Glasllwch Lane 14
NP20 3PT 10 Glasllwch Lane 16
NP20 3PU 10 Glasllwch Lane 11
NP20 3PW 10 Golden Mile View 1
NP20 3PX 10 Bassaleg Road 19
NP20 3PY 10 0
NP20 3PZ 10 Bassaleg Road 24
NP20 3QA 10 Golden Mile View 1
NP20 3QB 10 Golden Mile View 3
NP20 3QD 10 Golden Mile View 2
NP20 3QE 10 Golden Mile View 1
NP20 3QF 10 Golden Mile View 2
NP20 3QN 10 0
NP20 3QP 10 Canberra Crescent 15
NP20 3QQ 10 Canberra Crescent 13
NP20 3QR 10 Hobart Close 11
NP20 3QS 10 0
NP20 3QT 10 0
NP20 3QU 10 0
NP20 3QW 10 0
NP20 3QX 10 0
NP20 3QY 10 0
NP20 3QZ 10 0
NP20 3RA 10 Quebec Close 10
NP20 3RB 10 Toronto Close 10
NP20 3RD 10 Montreal Close 8
NP20 3RE 10 Melbourne Way 13
NP20 3RF 10 Melbourne Way 17
NP20 3RG 10 Melbourne Way 10
NP20 3RH 10 Melbourne Way 4
NP20 3RJ 10 Glasllwch View 38
NP20 3SA 10 0
NP20 3SB 10 7
NP20 3SD 10 0
NP20 3SE 10 0
NP20 3SF 10 0
NP20 3SG 10 0
NP20 3SL 10 0
NP20 3SN 10 0
NP20 3SP 10 0
NP20 3XT 10 0
NP20 3YB 10 0
NP20 3YT 10 2013‑07 0
NP20 3YZ 10 0
NP20 3ZX 10 2019‑12 52 0

Units with street mismatches in this sector:

Unit Mapped Dominant Street OSM Object Tagged Street
NP20 3AP 21 Park␣Avenue w617656388 Park␣Crescent
NP20 3AR 10 Cardiff␣Road w1124683473 Tredegar␣Park
NP20 3AR 10 Cardiff␣Road w618047437 Park␣Close
NP20 3AR 10 Cardiff␣Road w618047440 Park␣Close
NP20 3AR 10 Cardiff␣Road w618047443 Park␣Close
NP20 3AR 10 Cardiff␣Road w1112912847 Tredegar␣Park
NP20 3AZ 12 Aubrey␣Hames␣Close n9740449694 Waterloo␣Road
NP20 3AZ 12 Aubrey␣Hames␣Close n9740449692 Waterloo␣Road
NP20 3AZ 12 Aubrey␣Hames␣Close n9740449693 Waterloo␣Road
NP20 3BA 16 Cardiff␣Road n2161135588 Harlech␣Retail␣Park
NP20 3BA 16 Cardiff␣Road w1004383376 Harlech␣Retail␣Park
NP20 3BP 27 Cardiff␣Road w667052781 Bideford␣Road
NP20 3BP 27 Cardiff␣Road w1060164421 Bideford␣Road
NP20 3BP 27 Cardiff␣Road n9740449661 Bideford␣Road
NP20 3DH 8 Maesglas␣Road n10094816874 Maesglas␣Avenue
NP20 3DH 8 Maesglas␣Road w1103128575 Maesglas␣Avenue
NP20 3EP 6 Stelvio␣Park␣Avenue w1103974372 Bassaleg␣Road
NP20 3GY 49 Gaer␣Road w41205319 Hillside␣Gardens
NP20 3GY 49 Gaer␣Road w41205321 Hillside␣Gardens
NP20 3NE 27 Gaer␣Park␣Lane w631021283 Gaer␣Park␣Hill
NP20 3NF 18 Castle␣Park␣Road w631021124 Castle␣Park␣Close
NP20 3NF 18 Castle␣Park␣Road w631021266 Gaer␣Park␣Parade
NP20 3NF 18 Castle␣Park␣Road w631021268 Gaer␣Park␣Parade
NP20 3PQ 18 Risca␣Road w869935292
NP20 3RE 13 Melbourne␣Way w1125727629 Wellington␣Road
NP20 3RE 13 Melbourne␣Way w1125727632 Wellington␣Road
NP20 3RE 13 Melbourne␣Way w926336130 Western␣Avenue
NP20 3RE 13 Melbourne␣Way w1125727635 Wellington␣Road
NP20 3RE 13 Melbourne␣Way w1125727636 Wellington␣Road
NP20 3RF 17 Melbourne␣Way w1125727660
NP20 3RF 17 Melbourne␣Way w1125727661
NP20 3SB 7 w1125716998
NP20 3SB 7 w1125716992
NP20 3SB 7 w1125716999
NP20 3SB 7 w1125716993
NP20 3SB 7 w1125717000
NP20 3SB 7 w1125716997
NP20 3SB 7 w1125717001
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.