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OSM Postcode Mapping for SA20 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 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 2024‑07‑21 07:21:58 Z.)

District Sector Units Geo. Units Mapped %
SA20 0 237 237 20 8.4%

All units within this sector:

Unit PQI First Seen Last Seen Street Name ML Mapped
SA20 0AA 10 1
SA20 0AB 10 0
SA20 0AD 10 2018‑01 0
SA20 0AE 10 2018‑10 0
SA20 0AF 10 2013‑07 0
SA20 0AG 10 0
SA20 0AH 10 2019‑04 0
SA20 0AJ 10 0
SA20 0AL 10 0
SA20 0AN 10 Castle Street 1
SA20 0AP 10 0
SA20 0AQ 10 0
SA20 0AR 10 Broad Street 1
SA20 0AS 10 0
SA20 0AT 10 0
SA20 0AU 10 0
SA20 0AW 10 1
SA20 0AX 10 0
SA20 0AY 10 0
SA20 0AZ 10 0
SA20 0BA 10 0
SA20 0BB 10 0
SA20 0BD 10 0
SA20 0BE 10 0
SA20 0BG 10 0
SA20 0BH 10 Queensway 1
SA20 0BJ 10 0
SA20 0BL 10 0
SA20 0BN 10 0
SA20 0BP 10 0
SA20 0BQ 10 0
SA20 0BR 10 0
SA20 0BS 10 0
SA20 0BT 10 0
SA20 0BU 10 0
SA20 0BW 10 0
SA20 0BX 10 0
SA20 0BY 10 0
SA20 0BZ 10 0
SA20 0DA 10 0
SA20 0DB 10 0
SA20 0DD 10 0
SA20 0DE 10 0
SA20 0DF 10 0
SA20 0DG 10 0
SA20 0DH 10 0
SA20 0DJ 10 0
SA20 0DL 10 0
SA20 0DN 10 0
SA20 0DP 10 0
SA20 0DQ 10 0
SA20 0DS 10 0
SA20 0DT 10 0
SA20 0DU 10 0
SA20 0DW 10 0
SA20 0DX 10 0
SA20 0DY 10 Cilycwm Road 1
SA20 0DZ 10 0
SA20 0EA 10 0
SA20 0EB 10 0
SA20 0ED 10 0
SA20 0EE 10 Queensway 1
SA20 0EG 10 0
SA20 0EH 10 Tywi Avenue 1
SA20 0EJ 10 0
SA20 0EL 10 0
SA20 0EN 10 0
SA20 0EP 10 0
SA20 0EQ 10 1
SA20 0ES 10 0
SA20 0ET 10 0
SA20 0EU 10 0
SA20 0EW 10 0
SA20 0EX 10 0
SA20 0EY 10 0
SA20 0EZ 10 0
SA20 0FA 10 0
SA20 0FG 10 0
SA20 0GA 10 0
SA20 0HA 10 0
SA20 0HB 10 0
SA20 0HD 10 0
SA20 0HE 10 0
SA20 0HF 10 0
SA20 0HG 10 0
SA20 0HH 10 0
SA20 0HJ 10 0
SA20 0HL 10 0
SA20 0HN 10 0
SA20 0HP 10 0
SA20 0HQ 10 0
SA20 0HR 10 0
SA20 0HS 10 0
SA20 0HU 10 0
SA20 0HW 10 0
SA20 0HX 10 0
SA20 0HY 10 Llanfair Road 2
SA20 0HZ 10 0
SA20 0JB 10 0
SA20 0JD 10 0
SA20 0JE 10 0
SA20 0JF 10 0
SA20 0JG 10 0
SA20 0JH 10 0
SA20 0JP 10 0
SA20 0JQ 10 0
SA20 0JR 10 0
SA20 0JT 10 0
SA20 0JU 10 0
SA20 0JW 10 0
SA20 0JX 10 0
SA20 0JY 10 0
SA20 0JZ 10 0
SA20 0LA 10 Cottage Hospital 1
SA20 0LD 10 0
SA20 0LE 10 0
SA20 0LF 10 0
SA20 0LG 10 0
SA20 0LH 10 0
SA20 0LJ 10 0
SA20 0LL 10 0
SA20 0LN 10 0
SA20 0LP 10 0
SA20 0LQ 10 0
SA20 0LR 10 0
SA20 0LS 10 0
SA20 0LT 10 0
SA20 0LU 10 0
SA20 0LW 10 0
SA20 0LX 10 0
SA20 0LY 10 1
SA20 0LZ 10 0
SA20 0NA 10 0
SA20 0NB 10 1
SA20 0NG 10 0
SA20 0NH 10 0
SA20 0NJ 10 0
SA20 0NL 10 0
SA20 0NN 10 0
SA20 0NP 10 0
SA20 0NQ 10 0
SA20 0NR 10 0
SA20 0NS 10 0
SA20 0NT 10 0
SA20 0NU 10 0
SA20 0NW 10 0
SA20 0NX 10 0
SA20 0NY 10 0
SA20 0NZ 10 0
SA20 0PA 10 0
SA20 0PB 10 0
SA20 0PD 10 0
SA20 0PE 10 0
SA20 0PF 10 0
SA20 0PG 10 0
SA20 0PH 10 0
SA20 0PJ 10 0
SA20 0PL 10 0
SA20 0PN 10 0
SA20 0PP 10 0
SA20 0PQ 10 0
SA20 0PR 10 0
SA20 0PT 10 0
SA20 0PU 10 High Street 3
SA20 0PW 10 0
SA20 0PX 10 0
SA20 0PY 10 2017‑04 0
SA20 0PZ 10 0
SA20 0QA 10 0
SA20 0QB 10 0
SA20 0QD 10 0
SA20 0QE 10 0
SA20 0QF 10 0
SA20 0RA 10 High Street 1
SA20 0RB 10 0
SA20 0RD 10 Brecon Road 1
SA20 0RE 10 0
SA20 0RF 10 0
SA20 0RG 10 0
SA20 0RH 10 0
SA20 0RL 10 0
SA20 0RN 10 0
SA20 0RP 10 0
SA20 0RR 10 0
SA20 0RS 10 0
SA20 0RT 10 0
SA20 0RU 10 0
SA20 0RW 10 0
SA20 0RY 10 0
SA20 0SA 10 0
SA20 0SB 10 0
SA20 0SD 10 0
SA20 0SE 10 0
SA20 0SF 10 0
SA20 0SN 10 0
SA20 0SP 10 0
SA20 0SR 10 0
SA20 0SS 10 1
SA20 0ST 10 Church Street 6
SA20 0SU 10 0
SA20 0SW 10 Cilycwm 1
SA20 0SY 10 0
SA20 0TA 10 0
SA20 0TB 10 0
SA20 0TD 10 0
SA20 0TE 10 0
SA20 0TF 10 1
SA20 0TG 10 0
SA20 0TH 10 0
SA20 0TL 10 0
SA20 0TN 10 0
SA20 0TT 10 0
SA20 0TU 10 0
SA20 0TW 10 0
SA20 0TY 10 0
SA20 0UA 10 0
SA20 0UB 10 0
SA20 0UD 10 0
SA20 0UE 10 0
SA20 0UF 10 0
SA20 0UG 10 0
SA20 0UH 10 0
SA20 0UL 10 0
SA20 0UN 10 0
SA20 0UP 10 0
SA20 0UR 10 0
SA20 0US 10 0
SA20 0UT 10 0
SA20 0UU 10 0
SA20 0UW 10 0
SA20 0WZ 10 0
SA20 0YA 10 0
SA20 0YD 10 0
SA20 0YE 10 0
SA20 0YF 10 0
SA20 0YG 10 0
SA20 0YH 10 0
SA20 0YL 10 0
SA20 0YN 10 0
SA20 0YP 10 0
SA20 0YR 10 0
SA20 0YS 10 0
SA20 0YT 10 0
SA20 0YU 10 0
SA20 0YW 10 0
SA20 0YY 10 0
SA20 0ZB 10 2019‑01 8 0
SA20 0ZH 10 0

Units with street mismatches in this sector:

Unit Mapped Dominant Street OSM Object Tagged Street
SA20 0AA 1 n519793447
SA20 0AW 1 w1091693966
SA20 0EQ 1 n1089090156
SA20 0HY 2 Llanfair␣Road n1866444710
SA20 0LY 1 w1159201626
SA20 0NB 1 w941027047
SA20 0PU 3 High␣Street n3708479273 34-36␣High␣Street
SA20 0SS 1 n8977224128
SA20 0ST 6 Church␣Street w444979900
SA20 0TF 1 w444988601
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.