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OSM Postcode Mapping for SY23 2 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 %
SY23 2 112 106 29 27.4%

All units within this sector:

Unit PQI First Seen Last Seen Street Name ML Mapped
SY23 2AB 10 Terrace Road 2
SY23 2AD 10 0
SY23 2AE 10 Ffordd-y-Mor / Terrace Road 6
SY23 2AF 10 Ffordd-y-Mor / Terrace Road 1
SY23 2AG 10 Stryd y Baddon / Bath Street 1
SY23 2AJ 10 Ffordd-y-Mor / Terrace Road 3
SY23 2AL 10 0
SY23 2AN 10 0
SY23 2AP 10 Llys Brenin 2
SY23 2AQ 10 0
SY23 2AR 10 Y Porth Bach / Eastgate 8
SY23 2AS 10 0
SY23 2AT 10 0
SY23 2AU 10 Maes Lowri / Laura Place 1
SY23 2AW 10 0
SY23 2AX 10 31 0
SY23 2AY 10 0
SY23 2AZ 10 Marine Terrace 3
SY23 2BA 10 0
SY23 2BB 10 0
SY23 2BD 10 0
SY23 2BF 10 0
SY23 2BH 10 King Street 1
SY23 2BJ 10 Stryd y Popty / Baker Street 2
SY23 2BN 10 0
SY23 2BP 10 0
SY23 2BQ 10 0
SY23 2BS 10 Alfred Place 1
SY23 2BT 10 Stryd y Gorfforaeth / Corporation Street 1
SY23 2BU 10 2013‑07 0
SY23 2BX 10 Marine Terrace 2
SY23 2BY 10 0
SY23 2DA 10 Marine Terrace 1
SY23 2DB 10 0
SY23 2DD 10 0
SY23 2DE 10 2015‑10 0
SY23 2DG 10 0
SY23 2DH 10 Rhodfa Fuddug / Victoria Terrace 1
SY23 2DJ 10 0
SY23 2DL 10 0
SY23 2DN 10 0
SY23 2DP 10 0
SY23 2DQ 10 0
SY23 2DR 10 0
SY23 2DS 10 0
SY23 2DT 10 Upper Portland Street 2
SY23 2DU 10 0
SY23 2DX 10 Stryd Portland / Portland Street 4
SY23 2EB 10 Queen's Square 1
SY23 2ED 10 0
SY23 2EE 10 0
SY23 2EG 10 Queens Avenue 1
SY23 2EH 10 0
SY23 2EJ 10 0
SY23 2EL 10 0
SY23 2EN 10 0
SY23 2EP 10 0
SY23 2EQ 10 0
SY23 2ER 10 0
SY23 2ES 10 0
SY23 2ET 10 0
SY23 2EU 10 0
SY23 2EW 10 0
SY23 2EX 10 0
SY23 2EY 10 0
SY23 2EZ 10 0
SY23 2FA 10 0
SY23 2HA 10 0
SY23 2HB 10 0
SY23 2HD 10 0
SY23 2HE 10 0
SY23 2HF 10 0
SY23 2HG 10 2015‑10 0
SY23 2HH 10 Morfa Mawr / Queen's Road 1
SY23 2HJ 10 0
SY23 2HL 10 0
SY23 2HN 10 0
SY23 2HP 10 Morfa Mawr / Queen's Road 1
SY23 2HQ 10 0
SY23 2HR 10 0
SY23 2HS 10 0
SY23 2HT 10 0
SY23 2HU 10 0
SY23 2HW 10 0
SY23 2HX 10 0
SY23 2HY 10 0
SY23 2HZ 10 0
SY23 2JA 10 0
SY23 2JB 10 0
SY23 2JD 10 0
SY23 2JH 10 North Parade 3
SY23 2JN 10 North Parade 2
SY23 2JP 10 0
SY23 2JR 10 0
SY23 2JS 10 Northgate Street 2
SY23 2JT 10 0
SY23 2JU 10 0
SY23 2JW 10 0
SY23 2JX 10 0
SY23 2JY 10 0
SY23 2JZ 10 0
SY23 2LA 10 0
SY23 2LB 10 0
SY23 2LJ 10 Heol y Wig / Pier Street 2
SY23 2LN 10 Heol y Wig / Pier Street 9
SY23 2LP 10 2015‑10 0
SY23 2LS 10 2018‑10 0
SY23 2LU 10 0
SY23 2NB 10 31 0
SY23 2ND 10 North Parade 1
SY23 2NF 10 0
SY23 2NL 10 Ffordd Portland / Portland Road 1
SY23 2NN 10 Stryd y Baddon / Bath Street 4
SY23 2NP 10 0
SY23 2NR 10 0
SY23 2WA 10 0
SY23 2WB 10 31 0
SY23 2WR 10 2013‑07 0
SY23 2WS 10 2019‑01 31 0
SY23 2WX 10 31 0
SY23 2WZ 10 2019‑01 31 0
SY23 2XD 10 31 0
SY23 2XZ 10 2019‑01 31 0
SY23 2YA 10 31 0

Units with street mismatches in this sector:

Unit Mapped Dominant Street OSM Object Tagged Street
SY23 2AB 2 Terrace␣Road n1232728820 Ffordd-y-Mor␣/␣Terrace␣Road
SY23 2AP 2 Llys␣Brenin n617437777 Glan␣y␣Môr␣/␣Marine␣Terrace
SY23 2AP 2 Llys␣Brenin n1232728873 Ffordd-y-Mor␣/␣Terrace␣Road
SY23 2AR 8 Y␣Porth␣Bach␣/␣Eastgate n1783043000 Eastgate
SY23 2AZ 3 Marine␣Terrace w578568735
SY23 2DT 2 Upper␣Portland␣Street n7280589456 Stryd␣Portland␣/␣Portland␣Street
SY23 2JH 3 North␣Parade n7294388338 Owain␣Glyndŵr␣Square
SY23 2LN 9 Heol␣y␣Wig␣/␣Pier␣Street n6547192287 Pier␣Street
SY23 2NN 4 Stryd␣y␣Baddon␣/␣Bath␣Street n2358554699 Bath␣Street
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.