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OSM Postcode Mapping for SA31 1 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 %
SA31 1 207 206 22 10.7%

All units within this sector:

Unit PQI First Seen Last Seen Street Name ML Mapped
SA31 1AA 10 2015‑10 0
SA31 1AD 10 Lammas Street 9
SA31 1AF 10 0
SA31 1AG 10 Spilman Street 1
SA31 1AH 10 0
SA31 1AN 10 0
SA31 1AS 10 0
SA31 1AW 10 0
SA31 1BA 10 0
SA31 1BD 10 0
SA31 1BG 10 2013‑07 0
SA31 1BH 10 King Street 1
SA31 1BJ 10 2013‑07 0
SA31 1BL 10 2013‑07 0
SA31 1BN 10 2019‑04 0
SA31 1BS 10 0
SA31 1BT 10 2013‑07 0
SA31 1BU 10 0
SA31 1BW 10 0
SA31 1BX 10 0
SA31 1BY 10 0
SA31 1DA 10 0
SA31 1DB 10 0
SA31 1DD 10 Barn Road 1
SA31 1DE 10 Barn Road 1
SA31 1DG 10 0
SA31 1DH 10 0
SA31 1DJ 10 0
SA31 1DL 10 0
SA31 1DN 10 0
SA31 1DP 10 0
SA31 1DQ 10 0
SA31 1DR 10 0
SA31 1DS 10 0
SA31 1DT 10 2019‑12 29 0
SA31 1DU 10 0
SA31 1DX 10 0
SA31 1DY 10 0
SA31 1DZ 10 0
SA31 1EA 10 0
SA31 1EB 10 0
SA31 1ED 10 0
SA31 1EE 10 0
SA31 1EF 10 0
SA31 1EG 10 0
SA31 1EH 10 0
SA31 1EJ 10 0
SA31 1ER 10 0
SA31 1ET 10 0
SA31 1EU 10 0
SA31 1EX 10 0
SA31 1EY 10 0
SA31 1EZ 10 0
SA31 1GA 10 St. Catherine's Walk 3
SA31 1GW 10 0
SA31 1GX 10 0
SA31 1GY 10 0
SA31 1GZ 10 0
SA31 1HA 10 0
SA31 1HB 10 0
SA31 1HD 10 0
SA31 1HE 10 0
SA31 1HF 10 0
SA31 1HG 10 0
SA31 1HH 10 0
SA31 1HJ 10 0
SA31 1HL 10 0
SA31 1HN 10 0
SA31 1HP 10 0
SA31 1HQ 10 0
SA31 1HR 10 0
SA31 1HT 10 0
SA31 1HU 10 0
SA31 1HW 10 0
SA31 1HX 10 0
SA31 1HY 10 0
SA31 1HZ 10 0
SA31 1JA 10 0
SA31 1JB 10 0
SA31 1JD 10 0
SA31 1JE 10 0
SA31 1JF 10 0
SA31 1JG 10 0
SA31 1JJ 10 0
SA31 1JL 10 0
SA31 1JN 10 0
SA31 1JP 10 2 0
SA31 1JQ 10 0
SA31 1JR 10 0
SA31 1JT 10 0
SA31 1JU 10 0
SA31 1JW 10 0
SA31 1JY 10 0
SA31 1LD 10 0
SA31 1LE 10 2021‑04 2 0
SA31 1LG 10 0
SA31 1LH 10 0
SA31 1LL 10 0
SA31 1LN 10 0
SA31 1LP 10 0
SA31 1LQ 10 0
SA31 1LR 10 0
SA31 1LS 10 Priory Street 1
SA31 1LU 10 0
SA31 1LW 10 0
SA31 1LX 10 0
SA31 1LY 10 The Parade 1
SA31 1LZ 10 0
SA31 1NA 10 0
SA31 1NB 10 0
SA31 1ND 10 0
SA31 1NE 10 0
SA31 1NF 10 0
SA31 1NG 10 0
SA31 1NH 10 0
SA31 1NJ 10 0
SA31 1NL 10 0
SA31 1NN 10 0
SA31 1NP 10 0
SA31 1NQ 10 0
SA31 1NR 10 0
SA31 1NS 10 0
SA31 1NT 10 0
SA31 1NU 10 0
SA31 1NW 10 0
SA31 1NX 10 0
SA31 1NY 10 0
SA31 1NZ 10 0
SA31 1PA 10 0
SA31 1PB 10 0
SA31 1PD 10 0
SA31 1PE 10 0
SA31 1PF 10 0
SA31 1PG 10 Nott Square 2
SA31 1PH 10 Hall Street 7
SA31 1PN 10 Guildhall Square 4
SA31 1PQ 10 0
SA31 1PR 10 Guildhall Square 6
SA31 1PS 10 Dark Gate 5
SA31 1PT 10 Dark Gate 4
SA31 1PU 10 0
SA31 1PW 10 Guildhall Square 1
SA31 1PX 10 0
SA31 1PY 10 0
SA31 1PZ 10 0
SA31 1QB 10 Guildhall Square 1
SA31 1QD 10 0
SA31 1QE 10 0
SA31 1QF 10 0
SA31 1QG 10 0
SA31 1QL 10 Red Street 13
SA31 1QN 10 0
SA31 1QP 10 0
SA31 1QT 10 0
SA31 1QU 10 0
SA31 1QX 10 0
SA31 1QY 10 0
SA31 1QZ 10 0
SA31 1RA 10 Red Street 6
SA31 1RB 10 0
SA31 1RD 10 0
SA31 1RE 10 0
SA31 1RF 10 0
SA31 1RG 10 0
SA31 1RH 10 0
SA31 1RJ 10 0
SA31 1RL 10 0
SA31 1RN 10 0
SA31 1RP 10 0
SA31 1RQ 10 0
SA31 1RR 10 0
SA31 1RS 10 0
SA31 1RT 10 0
SA31 1RU 10 0
SA31 1RW 10 0
SA31 1RX 10 0
SA31 1RY 10 0
SA31 1RZ 10 0
SA31 1SA 10 0
SA31 1SB 10 0
SA31 1SD 10 0
SA31 1SE 10 0
SA31 1SF 10 0
SA31 1SG 10 0
SA31 1SH 10 0
SA31 1SJ 10 0
SA31 1SL 10 0
SA31 1SN 10 0
SA31 1SP 10 Lime Grove Avenue 7
SA31 1SQ 10 0
SA31 1SR 10 0
SA31 1SS 10 Carmarthen Cemetary Chapel 1
SA31 1ST 10 0
SA31 1SU 10 0
SA31 1SW 10 0
SA31 1SX 10 0
SA31 1SY 10 0
SA31 1SZ 10 0
SA31 1TA 10 0
SA31 1TB 10 0
SA31 1TD 10 0
SA31 1TE 10 1
SA31 1TF 10 0
SA31 1TG 10 0
SA31 1TH 10 0
SA31 1TJ 10 0
SA31 1TL 10 0
SA31 1TN 10 Saint Mary's Street 1
SA31 1TP 10 0
SA31 1TQ 10 0
SA31 1TR 10 0
SA31 1TS 10 0
SA31 1TX 10 0
SA31 1TY 10 0
SA31 1WS 10 2019‑01 29 0
SA31 1WT 10 2019‑01 29 0
SA31 1YF 10 29 0
SA31 1YS 10 2013‑07 0
SA31 1YT 10 0
SA31 1YW 10 2015‑10 0
SA31 1ZD 10 2 0

Units with street mismatches in this sector:

Unit Mapped Dominant Street OSM Object Tagged Street
SA31 1GA 3 St.␣Catherine's␣Walk n2797078330 Saint␣Catherine's␣Walk
SA31 1GA 3 St.␣Catherine's␣Walk n2797078328 St␣Catherines␣Walk
SA31 1TE 1 w296754616
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.