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OSM Postcode Mapping for NN1 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 %
NN1 1 129 102 55 53.9%

All units within this sector:

Unit PQI First Seen Last Seen Street Name ML Mapped
NN1 1AA 10 2015‑10 Barrack Road 152 1
NN1 1AF 10 St Giles Street 2
NN1 1AG 10 2 0
NN1 1AJ 10 0
NN1 1AL 10 152 0
NN1 1AN 10 152 0
NN1 1AP 10 2019‑01 Bridge Street 152 1
NN1 1AQ 10 152 0
NN1 1AR 10 2019‑01 152 0
NN1 1AS 10 2013‑07 0
NN1 1AT 10 2013‑07 0
NN1 1AU 10 2019‑01 152 0
NN1 1AW 10 2019‑01 152 0
NN1 1AX 10 2013‑07 0
NN1 1AY 10 2019‑01 152 0
NN1 1BE 10 152 0
NN1 1BF 10 0
NN1 1BH 10 2019‑01 152 0
NN1 1BJ 10 2019‑01 152 0
NN1 1BL 10 2019‑01 152 0
NN1 1BN 10 2019‑01 152 0
NN1 1BQ 10 Towcester Road 1
NN1 1BT 10 2013‑07 0
NN1 1BW 10 2019‑01 152 0
NN1 1BX 10 152 0
NN1 1DA 10 St Giles Square 1
NN1 1DD 10 0
NN1 1DE 10 St Giles Square 28 1
NN1 1DF 10 George Row 4
NN1 1DH 10 0
NN1 1DJ 10 0
NN1 1DN 10 2 0
NN1 1DP 10 Derngate 4
NN1 1DQ 10 0
NN1 1DR 10 2019‑12 0
NN1 1DT 10 Wellingborough Road 2 1
NN1 1DX 10 2015‑10 0
NN1 1EA 10 0
NN1 1ED 10 Angel Street 2
NN1 1EE 10 Towcester Road 5
NN1 1EL 10 0
NN1 1EN 10 0
NN1 1EP 10 0
NN1 1EQ 10 Saint John's Street 1
NN1 1ER 10 0
NN1 1ES 10 0
NN1 1ET 10 Towcester Road 5
NN1 1EW 10 0
NN1 1EX 10 0
NN1 1EY 10 0
NN1 1EZ 10 0
NN1 1FA 10 Swan Street 1
NN1 1FB 10 2016‑10 0
NN1 1FD 10 0
NN1 1FF 10 Gaslight Road 1
NN1 1HA 10 2018‑10 0
NN1 1HB 10 Victoria Promenade 2
NN1 1HD 10 0
NN1 1HF 10 0
NN1 1HH 10 Victoria Promenade 2
NN1 1HJ 10 0
NN1 1HL 10 Cattle Market Road 1
NN1 1HS 10 0
NN1 1HW 10 0
NN1 1JA 10 St Giles Street 6
NN1 1JB 10 0
NN1 1JF 10 St Giles Street 7
NN1 1JS 10 Castilian Street 3
NN1 1JT 10 0
NN1 1JW 10 St Giles Street 5
NN1 1JX 10 Castilian Street 3
NN1 1JY 10 0
NN1 1LD 10 Castilian Terrace 1
NN1 1LE 10 2015‑10 0
NN1 1LG 10 Hazelwood Road 1
NN1 1LJ 10 0
NN1 1LN 10 Hazelwood Road 1
NN1 1LP 10 0
NN1 1LQ 10 0
NN1 1LW 10 0
NN1 1LX 10 0
NN1 1LZ 10 0
NN1 1NH 10 Bridge Street 2
NN1 1NN 10 Derngate 1
NN1 1NR 10 Bridge Street 1
NN1 1NS 10 Bridge Street 4
NN1 1NT 10 Bridge Street 1
NN1 1NW 10 Bridge Street 2
NN1 1PA 10 Bridge Street 7
NN1 1PB 10 2 0
NN1 1PD 10 Bridge Street 3
NN1 1PF 10 Bridge Street 1
NN1 1PJ 10 Commercial Street 3
NN1 1PN 10 0
NN1 1PP 10 0
NN1 1PR 10 Kingswell Street 1
NN1 1PS 10 St Peters Square 5
NN1 1PT 10 St Peters Walk 3
NN1 1PU 10 2 0
NN1 1PY 10 Gas Street 1
NN1 1PZ 10 Bridge Street 2
NN1 1QA 10 28 0
NN1 1QD 10 28 0
NN1 1QE 10 28 0
NN1 1QF 10 Bridge Street 2
NN1 1QG 10 2019‑12 0
NN1 1QH 10 28 0
NN1 1QJ 10 28 0
NN1 1QS 10 28 0
NN1 1QT 10 28 0
NN1 1QU 10 28 0
NN1 1QW 10 28 0
NN1 1QX 10 28 0
NN1 1QY 10 28 0
NN1 1QZ 10 28 0
NN1 1RA 10 Gold Street 13
NN1 1RB 10 28 0
NN1 1RD 10 28 0
NN1 1RF 10 28 0
NN1 1RG 10 28 0
NN1 1RH 10 28 0
NN1 1RJ 10 28 0
NN1 1RL 10 28 0
NN1 1RN 10 28 0
NN1 1RP 10 28 0
NN1 1RQ 10 28 0
NN1 1RR 10 28 0
NN1 1RS 10 Gold Street 14
NN1 1RT 10 0
NN1 1SA 10 Gold Street 1
NN1 1SH 10 0
NN1 1SN 10 0
NN1 1SP 10 Black Lion Hill 1
NN1 1SR 10 Marefair 12
NN1 1ST 10 0
NN1 1SW 10 Black Lion Hill 1
NN1 1SX 10 St Peters Gardens 1
NN1 1SY 10 Green Street 1
NN1 1SZ 10 2013‑07 0
NN1 1TA 10 0
NN1 1TB 10 Horseshoe Street 2
NN1 1TD 10 0
NN1 1TF 10 0
NN1 1TH 10 Court Road 1
NN1 1TP 10 St Peters Street 1
NN1 1TU 10 Derngate 1
NN1 1TY 10 Derngate 3
NN1 1TZ 10 2019‑01 152 0
NN1 1UB 10 Derngate 3
NN1 1UD 10 0
NN1 1UE 10 0
NN1 1UG 10 0
NN1 1UH 10 Derngate 5
NN1 1UJ 10 0
NN1 1US 10 0
NN1 1XP 10 2019‑01 152 0
NN1 1XY 10 2019‑01 152 0
NN1 1YG 10 2019‑01 152 0
NN1 1YT 10 28 0
NN1 1ZA 10 2013‑07 0
NN1 1ZE 10 2019‑01 152 0
NN1 1ZP 10 152 0

Units with street mismatches in this sector:

Unit Mapped Dominant Street OSM Object Tagged Street
NN1 1DF 4 George␣Row n5846454767 2b␣(The␣Courtyard)␣George␣Row
NN1 1DP 4 Derngate n6125646048 Guildhall␣Road
NN1 1JA 6 St␣Giles␣Street w135253676 St␣Giles␣Square
NN1 1JF 7 St␣Giles␣Street n6378333485 Saint␣Giles␣Street
NN1 1JF 7 St␣Giles␣Street n5633571733 Saint␣Giles␣Street
NN1 1PZ 2 Bridge␣Street w94817087 Old␣Towcester␣Road
NN1 1RS 14 Gold␣Street n5630920808 St␣Peters␣Walk
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.