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, by flood risk

Map of every postcode in the W1U 1 sector, by flood risk Of the 130 postcodes in the W1U 1 sector that ONS places, 130 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. A40A41A5204 W1U 1AT: not on the flood risk listW1U 1AU: not on the flood risk listW1U 1AX: not on the flood risk listW1U 1AY: not on the flood risk listW1U 1AZ: not on the flood risk listW1U 1BB: not on the flood risk listW1U 1BD: not on the flood risk listW1U 1BE: not on the flood risk listW1U 1BG: not on the flood risk listW1U 1BH: not on the flood risk listW1U 1BL: not on the flood risk listW1U 1BN: not on the flood risk listW1U 1BP: not on the flood risk listW1U 1BQ: not on the flood risk listW1U 1BS: not on the flood risk listW1U 1BT: not on the flood risk listW1U 1BW: not on the flood risk listW1U 1DB: not on the flood risk listW1U 1DF: not on the flood risk listW1U 1DH: not on the flood risk listW1U 1DJ: not on the flood risk listW1U 1DL: not on the flood risk listW1U 1DQ: not on the flood risk listW1U 1DR: not on the flood risk listW1U 1DX: not on the flood risk listW1U 1EA: not on the flood risk listW1U 1EB: not on the flood risk listW1U 1ED: not on the flood risk listW1U 1EF: not on the flood risk listW1U 1EH: not on the flood risk listW1U 1EJ: not on the flood risk listW1U 1EL: not on the flood risk listW1U 1EN: not on the flood risk listW1U 1EP: not on the flood risk listW1U 1ES: not on the flood risk listW1U 1EU: not on the flood risk listW1U 1EW: not on the flood risk listW1U 1EY: not on the flood risk listW1U 1FD: not on the flood risk listW1U 1FE: not on the flood risk listW1U 1HB: not on the flood risk listW1U 1HD: not on the flood risk listW1U 1HF: not on the flood risk listW1U 1HZ: not on the flood risk listW1U 1JA: not on the flood risk listW1U 1JB: not on the flood risk listW1U 1JG: not on the flood risk listW1U 1JJ: not on the flood risk listW1U 1JN: not on the flood risk listW1U 1JY: not on the flood risk listW1U 1LE: not on the flood risk listW1U 1LF: not on the flood risk listW1U 1LH: not on the flood risk listW1U 1LN: not on the flood risk listW1U 1LP: not on the flood risk listW1U 1LT: not on the flood risk listW1U 1LZ: not on the flood risk listW1U 1NA: not on the flood risk listW1U 1ND: not on the flood risk listW1U 1NE: not on the flood risk listW1U 1NG: not on the flood risk listW1U 1NH: not on the flood risk listW1U 1NJ: not on the flood risk listW1U 1NL: not on the flood risk listW1U 1NP: not on the flood risk listW1U 1NT: not on the flood risk listW1U 1NU: not on the flood risk listW1U 1NW: not on the flood risk listW1U 1NX: not on the flood risk listW1U 1PB: not on the flood risk listW1U 1PD: not on the flood risk listW1U 1PE: not on the flood risk listW1U 1PH: not on the flood risk listW1U 1PN: not on the flood risk listW1U 1PU: not on the flood risk listW1U 1PY: not on the flood risk listW1U 1QE: not on the flood risk listW1U 1QR: not on the flood risk listW1U 1QS: not on the flood risk listW1U 1QY: not on the flood risk listW1U 1QZ: not on the flood risk list City of Westminster Map of every postcode in the W1U 1 sector, by flood risk Of the 130 postcodes in the W1U 1 sector that ONS places, 130 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: 130

Of the 130 postcodes in the W1U 1 sector that ONS places, 130 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 W1U 1?

HM Land Registry records 3 sales of homes in W1U 1 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 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 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

Postcodes in W1U 1

Pick a postcode to see its council and MP, broadband, flood risk, what homes sell for, council tax, the nearest schools and stations, and crime around it.

W1U 1ATW1U 1AUW1U 1AXW1U 1AYW1U 1AZW1U 1BBW1U 1BDW1U 1BEW1U 1BFW1U 1BGW1U 1BHW1U 1BLW1U 1BNW1U 1BPW1U 1BQW1U 1BSW1U 1BTW1U 1BUW1U 1BWW1U 1BZW1U 1DBW1U 1DFW1U 1DHW1U 1DJW1U 1DLW1U 1DQW1U 1DRW1U 1DSW1U 1DTW1U 1DXW1U 1DYW1U 1DZW1U 1EAW1U 1EBW1U 1EDW1U 1EEW1U 1EFW1U 1EGW1U 1EHW1U 1EJW1U 1ELW1U 1ENW1U 1EPW1U 1EQW1U 1ERW1U 1ESW1U 1ETW1U 1EUW1U 1EWW1U 1EXW1U 1EYW1U 1EZW1U 1FDW1U 1FEW1U 1FFW1U 1HAW1U 1HBW1U 1HDW1U 1HEW1U 1HFW1U 1HZW1U 1JAW1U 1JBW1U 1JEW1U 1JFW1U 1JGW1U 1JJW1U 1JLW1U 1JNW1U 1JQW1U 1JTW1U 1JWW1U 1JYW1U 1LEW1U 1LFW1U 1LGW1U 1LHW1U 1LNW1U 1LPW1U 1LSW1U 1LTW1U 1LXW1U 1LZW1U 1NAW1U 1NBW1U 1NDW1U 1NEW1U 1NFW1U 1NGW1U 1NHW1U 1NJW1U 1NLW1U 1NNW1U 1NPW1U 1NRW1U 1NSW1U 1NTW1U 1NUW1U 1NWW1U 1NXW1U 1NYW1U 1NZW1U 1PBW1U 1PDW1U 1PEW1U 1PFW1U 1PGW1U 1PHW1U 1PJW1U 1PLW1U 1PNW1U 1PPW1U 1PQW1U 1PRW1U 1PSW1U 1PUW1U 1PWW1U 1PXW1U 1PYW1U 1PZW1U 1QAW1U 1QBW1U 1QEW1U 1QRW1U 1QSW1U 1QTW1U 1QUW1U 1QXW1U 1QYW1U 1QZ

Source: Office for National Statistics (ONS) Postcode Directory, August 2026, loaded 20 October 2026. Postcodes that have ended are not listed. See all our data sources

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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