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, by flood risk

Map of every postcode in the W1K 5 sector, by flood risk Of the 129 postcodes in the W1K 5 sector that ONS places, 129 are not on the Environment Agency's at-risk list. 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: not on the flood risk listW1K 5AF: not on the flood risk listW1K 5AG: not on the flood risk listW1K 5AH: not on the flood risk listW1K 5AS: not on the flood risk listW1K 5AY: not on the flood risk listW1K 5AZ: not on the flood risk listW1K 5BD: not on the flood risk listW1K 5BE: not on the flood risk listW1K 5BF: not on the flood risk listW1K 5BG: not on the flood risk listW1K 5BQ: not on the flood risk listW1K 5BW: not on the flood risk listW1K 5DB: not on the flood risk listW1K 5DE: not on the flood risk listW1K 5DG: not on the flood risk listW1K 5DH: not on the flood risk listW1K 5DN: not on the flood risk listW1K 5DR: not on the flood risk listW1K 5DT: not on the flood risk listW1K 5DU: not on the flood risk listW1K 5DZ: not on the flood risk listW1K 5EA: not on the flood risk listW1K 5EB: not on the flood risk listW1K 5ED: not on the flood risk listW1K 5EF: not on the flood risk listW1K 5EG: not on the flood risk listW1K 5EH: not on the flood risk listW1K 5EQ: not on the flood risk listW1K 5EU: not on the flood risk listW1K 5EX: not on the flood risk listW1K 5EY: not on the flood risk listW1K 5EZ: not on the flood risk listW1K 5HA: not on the flood risk listW1K 5HD: not on the flood risk listW1K 5HH: not on the flood risk listW1K 5HJ: not on the flood risk listW1K 5HN: not on the flood risk listW1K 5HQ: not on the flood risk listW1K 5HW: not on the flood risk listW1K 5HX: not on the flood risk listW1K 5JB: not on the flood risk listW1K 5JD: not on the flood risk listW1K 5JE: not on the flood risk listW1K 5JF: not on the flood risk listW1K 5JH: not on the flood risk listW1K 5JL: not on the flood risk listW1K 5JN: not on the flood risk listW1K 5JT: not on the flood risk listW1K 5LE: not on the flood risk listW1K 5LF: not on the flood risk listW1K 5LH: not on the flood risk listW1K 5LT: not on the flood risk listW1K 5NP: not on the flood risk listW1K 5NR: not on the flood risk listW1K 5NX: not on the flood risk listW1K 5PA: not on the flood risk listW1K 5PG: not on the flood risk listW1K 5PQ: not on the flood risk listW1K 5QA: not on the flood risk listW1K 5QD: not on the flood risk listW1K 5QE: not on the flood risk listW1K 5QH: not on the flood risk listW1K 5QJ: not on the flood risk listW1K 5QL: not on the flood risk listW1K 5QN: not on the flood risk listW1K 5QP: not on the flood risk listW1K 5QS: not on the flood risk listW1K 5QU: not on the flood risk listW1K 5QY: not on the flood risk listW1K 5RD: not on the flood risk listW1K 5RE: not on the flood risk listW1K 5RF: not on the flood risk listW1K 5RG: not on the flood risk listW1K 5RH: not on the flood risk listW1K 5RJ: not on the flood risk listW1K 5RL: not on the flood risk listW1K 5RP: not on the flood risk listW1K 5RS: not on the flood risk listW1K 5RT: not on the flood risk listW1K 5RU: not on the flood risk listW1K 5RY: not on the flood risk listW1K 5SB: not on the flood risk listW1K 5SE: not on the flood risk listW1K 5SF: not on the flood risk listW1K 5SH: not on the flood risk listW1K 5SJ: not on the flood risk listW1K 5SL: not on the flood risk listW1K 5SR: not on the flood risk listW1K 5ST: not on the flood risk listW1K 5SW: not on the flood risk listW1K 5SX: not on the flood risk list City of Westminster Map of every postcode in the W1K 5 sector, by flood risk Of the 129 postcodes in the W1K 5 sector that ONS places, 129 are not on the Environment Agency's at-risk list. 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
  • A home or business at high risk: 0
  • At medium risk at worst: 0
  • At low risk at worst: 0
  • At very low risk only: 0
  • Not on the at-risk list: 129

Of the 129 postcodes in the W1K 5 sector that ONS places, 129 are not on the Environment Agency's at-risk list.

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. No boundary is drawn. Where marks overlap, the one first in the key is drawn; the counts include every postcode.

Source: Office for National Statistics (ONS) Postcode Directory, August 2026, loaded 20 October 2026, the centre point of each postcode; flood risk: Environment Agency, published 6 July 2026; roads, rivers and built-up areas: 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. How we use them

What do homes sell for in W1K 5?

HM Land Registry records 3 sales of homes in W1K 5 in the 12 months to August 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 September 2026. Contains HM Land Registry data © Crown copyright and database right 2021. This data is licensed under the Open Government Licence v3.0. How we use it

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.

Check a postcode

Something wrong on this page? Report an error and we will check it against the source.