W1K 5 postcode sector in the W1K district

W1K 5 is a sector of the W1K district: every postcode that starts W1K 5. It has 129 postcodes in use, 3 of them large-user postcodes. A large-user postcode is one Royal Mail gives to a single address that gets a lot of mail.

Not sure what a sector is? UK postcode format explained.

Every postcode in the W1K 5 sector, and which are new since 2020

Map of every postcode in the W1K 5 sector, by new since 2020 Of the 129 postcodes in the W1K 5 sector that ONS places, 1 are new since 2020 and 128 were in use before 2020. Places named: City of Westminster. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 250 m. A40A5204A4201 W1K 5AE: before 2020W1K 5AF: before 2020W1K 5AG: before 2020W1K 5AH: before 2020W1K 5AS: before 2020W1K 5AY: before 2020W1K 5AZ: before 2020W1K 5BD: before 2020W1K 5BE: before 2020W1K 5BF: before 2020W1K 5BG: before 2020W1K 5BQ: before 2020W1K 5BW: before 2020W1K 5DB: before 2020W1K 5DE: before 2020W1K 5DG: before 2020W1K 5DH: before 2020W1K 5DN: before 2020W1K 5DR: before 2020W1K 5DT: before 2020W1K 5DU: before 2020W1K 5DZ: before 2020W1K 5EA: before 2020W1K 5EB: before 2020W1K 5ED: before 2020W1K 5EF: before 2020W1K 5EG: before 2020W1K 5EH: before 2020W1K 5EQ: before 2020W1K 5EU: before 2020W1K 5EX: before 2020W1K 5EY: before 2020W1K 5EZ: before 2020W1K 5HA: before 2020W1K 5HD: before 2020W1K 5HH: before 2020W1K 5HJ: before 2020W1K 5HN: before 2020W1K 5HQ: before 2020W1K 5HW: before 2020W1K 5HX: before 2020W1K 5JB: before 2020W1K 5JD: before 2020W1K 5JE: before 2020W1K 5JF: before 2020W1K 5JH: before 2020W1K 5JL: before 2020W1K 5JN: before 2020W1K 5JT: before 2020W1K 5LE: before 2020W1K 5LF: before 2020W1K 5LH: before 2020W1K 5NP: before 2020W1K 5NR: before 2020W1K 5NX: before 2020W1K 5PA: before 2020W1K 5PG: before 2020W1K 5PQ: before 2020W1K 5QA: before 2020W1K 5QD: before 2020W1K 5QE: before 2020W1K 5QH: before 2020W1K 5QJ: before 2020W1K 5QL: before 2020W1K 5QN: before 2020W1K 5QP: before 2020W1K 5QS: before 2020W1K 5QU: before 2020W1K 5QY: before 2020W1K 5RD: before 2020W1K 5RE: before 2020W1K 5RF: before 2020W1K 5RG: before 2020W1K 5RH: before 2020W1K 5RJ: before 2020W1K 5RL: before 2020W1K 5RP: before 2020W1K 5RS: before 2020W1K 5RT: before 2020W1K 5RU: before 2020W1K 5RY: before 2020W1K 5SB: before 2020W1K 5SE: before 2020W1K 5SF: before 2020W1K 5SH: before 2020W1K 5SJ: before 2020W1K 5SL: before 2020W1K 5SR: before 2020W1K 5ST: before 2020W1K 5SW: before 2020W1K 5SX: before 2020W1K 5LT: new since 2020 City of Westminster Map of every postcode in the W1K 5 sector, by new since 2020 Of the 129 postcodes in the W1K 5 sector that ONS places, 1 are new since 2020 and 128 were in use before 2020. Places named: City of Westminster. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 250 m. A40 City of Westminster
  • New since 2020: 1
  • In use before 2020: 128

Of the 129 postcodes in the W1K 5 sector that ONS places, 1 are new since 2020 and 128 were in use before 2020.

Each mark is a postcode's centre point as ONS gives it, not a building. Press one to see its postcode and open its page. New since 2020 means it came into use in January 2020 or later. No boundary is drawn. Where marks overlap, the one first in the key is drawn; the counts include every postcode.

Sources: ONS Postcode Directory, August 2026, loaded 20 October 2026; roads, rivers and built-up areas: Ordnance Survey open maps. Contains OS data © Crown copyright and database right 2026. Drawn by us. Street map: Ordnance Survey, OS Open Zoomstack, Open Government Licence v3.0, drawn with MapLibre.

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What do homes sell for in W1K 5?

HM Land Registry records 3 sales of homes in W1K 5 in the 12 months to September 2026: too few to give a typical price.

  • Flat or maisonette 3 sales, too few to price

Standard sales of homes at market value at the postcodes that start W1K 5. A typical price is the median, the middle sale, given from 5 sales or more.

How we work this out: house prices by postcode

Source: HM Land Registry Price Paid Data, files dated 28 October 2026.

What council am I in? The council, borough or local authority for a postcode, and the county council where there is one. What ward am I in? The ward for a postcode, with its council, constituency and parish.

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Where the facts on this page come from

Contains HM Land Registry data © Crown copyright and database right 2021. This data is licensed under the Open Government Licence v3.0.

Licence: Open Government Licence v3.0.

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