W1U 1 postcode sector in the W1U district

W1U 1 is a sector of the W1U district: every postcode that starts W1U 1. It has 130 postcodes in use, 6 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 W1U 1 sector, and which are new since 2020

Map of every postcode in the W1U 1 sector, by new since 2020 Of the 130 postcodes in the W1U 1 sector that ONS places, 5 are new since 2020 and 125 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. A40A41A5204 W1U 1AT: before 2020W1U 1AU: before 2020W1U 1AX: before 2020W1U 1AY: before 2020W1U 1AZ: before 2020W1U 1BB: before 2020W1U 1BD: before 2020W1U 1BE: before 2020W1U 1BG: before 2020W1U 1BH: before 2020W1U 1BL: before 2020W1U 1BN: before 2020W1U 1BP: before 2020W1U 1BQ: before 2020W1U 1BS: before 2020W1U 1BT: before 2020W1U 1BW: before 2020W1U 1DB: before 2020W1U 1DH: before 2020W1U 1DJ: before 2020W1U 1DL: before 2020W1U 1DQ: before 2020W1U 1DR: before 2020W1U 1DX: before 2020W1U 1EA: before 2020W1U 1EB: before 2020W1U 1ED: before 2020W1U 1EF: before 2020W1U 1EH: before 2020W1U 1EJ: before 2020W1U 1EL: before 2020W1U 1EN: before 2020W1U 1EP: before 2020W1U 1ES: before 2020W1U 1EU: before 2020W1U 1EW: before 2020W1U 1EY: before 2020W1U 1FD: before 2020W1U 1HB: before 2020W1U 1HD: before 2020W1U 1HF: before 2020W1U 1HZ: before 2020W1U 1JA: before 2020W1U 1JB: before 2020W1U 1JG: before 2020W1U 1JJ: before 2020W1U 1JN: before 2020W1U 1LE: before 2020W1U 1LF: before 2020W1U 1LH: before 2020W1U 1LN: before 2020W1U 1LP: before 2020W1U 1LT: before 2020W1U 1LZ: before 2020W1U 1NA: before 2020W1U 1ND: before 2020W1U 1NE: before 2020W1U 1NG: before 2020W1U 1NH: before 2020W1U 1NJ: before 2020W1U 1NL: before 2020W1U 1NP: before 2020W1U 1NT: before 2020W1U 1NU: before 2020W1U 1NW: before 2020W1U 1NX: before 2020W1U 1PB: before 2020W1U 1PD: before 2020W1U 1PE: before 2020W1U 1PH: before 2020W1U 1PN: before 2020W1U 1PY: before 2020W1U 1QE: before 2020W1U 1QR: before 2020W1U 1QS: before 2020W1U 1QY: before 2020W1U 1QZ: before 2020W1U 1DF: new since 2020W1U 1FE: new since 2020W1U 1JY: new since 2020W1U 1PX: new since 2020 City of Westminster Map of every postcode in the W1U 1 sector, by new since 2020 Of the 130 postcodes in the W1U 1 sector that ONS places, 5 are new since 2020 and 125 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: 5
  • In use before 2020: 125

Of the 130 postcodes in the W1U 1 sector that ONS places, 5 are new since 2020 and 125 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.

What do homes sell for in W1U 1?

HM Land Registry records 2 sales of homes in W1U 1 in the 12 months to September 2026: too few to give a typical price.

  • Flat or maisonette 2 sales, too few to price

Standard sales of homes at market value at the postcodes that start W1U 1. 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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