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OSM Postcode Mapping for NW3 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 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 2024‑03‑23 18:50:30 Z.)

District Sector Units Geo. Units Mapped %
NW3 1 181 171 23 13.5%

All units within this sector:

Unit PQI First Seen Last Seen Street Name ML Mapped
NW3 1AA 10 0
NW3 1AB 10 Hampstead Square 1
NW3 1AD 10 0
NW3 1AE 10 0
NW3 1AG 10 0
NW3 1AH 10 0
NW3 1AJ 10 0
NW3 1AL 10 0
NW3 1AN 10 0
NW3 1AP 10 0
NW3 1AR 10 0
NW3 1AS 10 0
NW3 1AU 10 0
NW3 1AW 10 0
NW3 1AX 10 0
NW3 1AY 10 0
NW3 1AZ 10 0
NW3 1BA 10 Vale of Health 1
NW3 1BB 10 0
NW3 1BD 10 0
NW3 1BE 10 2 0
NW3 1BJ 10 0
NW3 1BL 10 0
NW3 1BN 10 0
NW3 1BP 10 0
NW3 1BS 10 0
NW3 1BT 10 0
NW3 1BX 10 0
NW3 1BY 10 0
NW3 1DA 10 0
NW3 1DB 10 0
NW3 1DD 10 0
NW3 1DE 10 0
NW3 1DL 10 0
NW3 1DN 10 Heath Street 1
NW3 1DP 10 0
NW3 1DR 10 Heath Street 2 2
NW3 1DT 10 0
NW3 1DU 10 0
NW3 1DX 10 2013‑07 0
NW3 1DY 10 0
NW3 1EA 10 0
NW3 1EB 10 0
NW3 1ED 10 0
NW3 1EE 10 0
NW3 1EG 10 0
NW3 1EH 10 0
NW3 1EJ 10 0
NW3 1EL 10 0
NW3 1EN 10 0
NW3 1EQ 10 86 0
NW3 1ET 10 0
NW3 1EU 10 0
NW3 1EW 10 0
NW3 1EX 10 0
NW3 1EY 10 0
NW3 1FE 10 86 0
NW3 1FF 10 2019‑01 86 0
NW3 1FH 10 86 0
NW3 1FW 10 86 0
NW3 1GA 10 2019‑01 86 0
NW3 1HA 10 0
NW3 1HB 10 0
NW3 1HD 10 0
NW3 1HE 10 Flask Walk 1
NW3 1HG 10 0
NW3 1HH 10 0
NW3 1HJ 10 0
NW3 1HL 10 0
NW3 1HN 10 0
NW3 1HP 10 0
NW3 1HQ 10 0
NW3 1HR 10 0
NW3 1HS 10 0
NW3 1HT 10 0
NW3 1HU 10 0
NW3 1HX 10 0
NW3 1HY 10 0
NW3 1HZ 10 0
NW3 1JA 10 0
NW3 1JD 10 0
NW3 1JE 10 0
NW3 1JG 10 0
NW3 1JH 10 Christchurch Hill 1
NW3 1JJ 10 0
NW3 1JL 10 0
NW3 1JN 10 0
NW3 1JP 10 0
NW3 1JQ 10 2 0
NW3 1JR 10 0
NW3 1JS 10 0
NW3 1JX 10 Lakis Close 1
NW3 1JY 10 0
NW3 1LA 10 0
NW3 1LB 10 0
NW3 1LD 10 0
NW3 1LE 10 3 0
NW3 1LF 10 3 0
NW3 1LG 10 0
NW3 1LH 10 0
NW3 1LJ 10 Well Road 1
NW3 1LL 10 0
NW3 1LN 10 0
NW3 1LP 10 0
NW3 1LR 10 0
NW3 1LS 10 0
NW3 1LT 10 New End Square 1
NW3 1LU 10 3 0
NW3 1ND 10 Hampstead High Street 1
NW3 1NG 10 2 0
NW3 1NH 10 Rosslyn Hill 4
NW3 1NL 10 2019‑12 0
NW3 1NN 10 0
NW3 1NR 10 Downshire Hill 1
NW3 1NT 10 0
NW3 1NU 10 0
NW3 1NX 10 0
NW3 1NY 10 0
NW3 1PA 10 0
NW3 1PD 10 0
NW3 1PF 10 2015‑10 0
NW3 1PH 10 0
NW3 1PR 10 Hampstead High Street 1
NW3 1PX 10 Hampstead High Street 3
NW3 1PY 10 0
NW3 1PZ 10 0
NW3 1QA 10 Hampstead High Street 4
NW3 1QB 10 0
NW3 1QD 10 2 0
NW3 1QE 10 Hampstead High Street 6
NW3 1QF 10 0
NW3 1QG 10 Hampstead High Street 2
NW3 1QH 10 Hampstead High Street 1
NW3 1QJ 10 2019‑12 0
NW3 1QL 10 Hampstead High Street 2 1
NW3 1QN 10 0
NW3 1QP 10 Hampstead High Street 1
NW3 1QS 10 Perrin's Court 1
NW3 1QU 10 0
NW3 1QW 10 Marty's Yard 1
NW3 1QX 10 0
NW3 1QY 10 0
NW3 1QZ 10 0
NW3 1RD 10 0
NW3 1RE 10 2 0
NW3 1RG 10 0
NW3 1RH 10 0
NW3 1RL 10 2019‑01 86 0
NW3 1RP 10 0
NW3 1RR 10 0
NW3 1RS 10 0
NW3 1RT 10 0
NW3 1RU 10 0
NW3 1RX 10 0
NW3 1RY 10 0
NW3 1SA 10 0
NW3 1SB 10 2 0
NW3 1SD 10 0
NW3 1SJ 10 0
NW3 1SL 10 0
NW3 1SN 10 0
NW3 1SP 10 0
NW3 1SQ 10 86 0
NW3 1SR 10 0
NW3 1SS 10 0
NW3 1ST 10 0
NW3 1SU 10 0
NW3 1SX 10 0
NW3 1SY 10 0
NW3 1TA 10 0
NW3 1TH 10 Willow Road 1
NW3 1TJ 10 0
NW3 1TL 10 0
NW3 1TN 10 0
NW3 1TP 10 0
NW3 1TR 10 0
NW3 1TS 10 0
NW3 1TT 10 0
NW3 1TU 10 0
NW3 1TW 10 2019‑01 86 0
NW3 1TX 10 0
NW3 1TY 10 0
NW3 1UA 10 0
NW3 1UB 10 0
NW3 1WA 10 86 0
NW3 1WD 10 86 0
NW3 1WE 10 2022‑07 86 0
NW3 1WJ 10 86 0
NW3 1WL 10 86 0
NW3 1WT 10 86 0
NW3 1WU 10 2022‑06 86 0
NW3 1WX 10 86 0
NW3 1XD 10 86 0
NW3 1YT 10 86 0
NW3 1YZ 10 86 0
NW3 1ZF 10 86 0
NW3 1ZH 10 86 0
NW3 1ZU 10 2019‑01 86 0

Units with street mismatches in this sector:

Unit Mapped Dominant Street OSM Object Tagged Street
NW3 1NH 4 Rosslyn␣Hill w129337401 Hampstead␣High␣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.