W1C postcode district: City of Westminster and around

W1C is a postcode district in England, with 141 postcodes in use in 2 sectors. It has postcodes in City of Westminster. Its council is Westminster.

Postcodes in use
141
Sectors
2
Council
Westminster
Places
City of Westminster

Source: Office for National Statistics (ONS) Postcode Directory, August 2026, loaded 20 October 2026. See all our data sources

Every postcode in W1C, by flood risk

Map of every postcode in W1C, by flood risk Of the 141 postcodes in W1C that ONS places, 141 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 W1C 1AD: not on the flood risk listW1C 1AE: not on the flood risk listW1C 1AS: not on the flood risk listW1C 1AT: not on the flood risk listW1C 1AX: not on the flood risk listW1C 1AY: not on the flood risk listW1C 1AZ: not on the flood risk listW1C 1BA: not on the flood risk listW1C 1BB: not on the flood risk listW1C 1BE: not on the flood risk listW1C 1BF: not on the flood risk listW1C 1BG: not on the flood risk listW1C 1BH: not on the flood risk listW1C 1BQ: not on the flood risk listW1C 1BY: not on the flood risk listW1C 1DA: not on the flood risk listW1C 1DB: not on the flood risk listW1C 1DH: not on the flood risk listW1C 1DJ: not on the flood risk listW1C 1DL: not on the flood risk listW1C 1DN: not on the flood risk listW1C 1DP: not on the flood risk listW1C 1DR: not on the flood risk listW1C 1DS: not on the flood risk listW1C 1DW: not on the flood risk listW1C 1DX: not on the flood risk listW1C 1ES: not on the flood risk listW1C 1HG: not on the flood risk listW1C 1JB: not on the flood risk listW1C 1JE: not on the flood risk listW1C 1JF: not on the flood risk listW1C 1JG: not on the flood risk listW1C 1JJ: not on the flood risk listW1C 1JN: not on the flood risk listW1C 1JP: not on the flood risk listW1C 1JS: not on the flood risk listW1C 1JT: not on the flood risk listW1C 1JW: not on the flood risk listW1C 1JY: not on the flood risk listW1C 1LA: not on the flood risk listW1C 1LB: not on the flood risk listW1C 1LL: not on the flood risk listW1C 1LU: not on the flood risk listW1C 1LX: not on the flood risk listW1C 1LZ: not on the flood risk listW1C 1NA: not on the flood risk listW1C 2AA: not on the flood risk listW1C 2AB: not on the flood risk listW1C 2AD: not on the flood risk listW1C 2AE: not on the flood risk listW1C 2AG: not on the flood risk listW1C 2AH: not on the flood risk listW1C 2AL: not on the flood risk listW1C 2AN: not on the flood risk listW1C 2AP: not on the flood risk listW1C 2AQ: not on the flood risk listW1C 2AR: not on the flood risk listW1C 2AS: not on the flood risk listW1C 2AT: not on the flood risk listW1C 2AU: not on the flood risk listW1C 2BR: not on the flood risk listW1C 2BU: not on the flood risk listW1C 2DD: not on the flood risk listW1C 2DF: not on the flood risk listW1C 2DG: not on the flood risk listW1C 2DH: not on the flood risk listW1C 2DJ: not on the flood risk listW1C 2DN: not on the flood risk listW1C 2DR: not on the flood risk listW1C 2DS: not on the flood risk listW1C 2DT: not on the flood risk listW1C 2DW: not on the flood risk listW1C 2DX: not on the flood risk listW1C 2DY: not on the flood risk listW1C 2DZ: not on the flood risk listW1C 2HA: not on the flood risk listW1C 2HP: not on the flood risk listW1C 2HR: not on the flood risk listW1C 2HW: not on the flood risk listW1C 2HX: not on the flood risk listW1C 2HY: not on the flood risk listW1C 2JF: not on the flood risk listW1C 2JJ: not on the flood risk listW1C 2JL: not on the flood risk listW1C 2JN: not on the flood risk listW1C 2JR: not on the flood risk listW1C 2JS: not on the flood risk listW1C 2JU: not on the flood risk listW1C 2JW: not on the flood risk listW1C 2JX: not on the flood risk listW1C 2JZ: not on the flood risk listW1C 2NB: not on the flood risk listW1C 2PA: not on the flood risk listW1C 2PE: not on the flood risk listW1C 2PG: not on the flood risk listW1C 2PH: not on the flood risk listW1C 2PN: not on the flood risk listW1C 2PP: not on the flood risk listW1C 2PQ: not on the flood risk listW1C 2PR: not on the flood risk listW1C 2PS: not on the flood risk listW1C 2PT: not on the flood risk listW1C 2QJ: not on the flood risk listW1C 2QL: not on the flood risk listW1C 2QP: not on the flood risk listW1C 2QQ: not on the flood risk listW1C 2QW: not on the flood risk list City of Westminster Map of every postcode in W1C, by flood risk Of the 141 postcodes in W1C that ONS places, 141 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. 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: 141

Of the 141 postcodes in W1C that ONS places, 141 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.

The middle of its postcodes: latitude 51.5144, longitude -0.1491. Open this area on OpenStreetMap

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 broadband can you get in W1C?

Ofcom reports on 118 of the 141 postcodes in W1C. At 95 of them every home and business can get gigabit broadband.

Postcodes where every home can get gigabit95 of 118
Postcodes where every home can get superfast96 of 118

Ofcom gives each postcode's share of homes and businesses, not how many there are, so these count postcodes. Each postcode page has its own figures. A provider's checker answers for one address.

Check one address on Ofcom's checker

Source: Ofcom, Connected Nations, Spring 2026, data for January 2026, Open Government Licence v3.0. How we use it

Is W1C at risk of flooding?

None of the 141 postcodes in W1C is on the Environment Agency's list of postcodes with a home or business in an area at risk of flooding from rivers or the sea.

Homes and businesses in an area at risk of flooding from rivers or the sea, as the Environment Agency counts them, added up over the postcodes. It is for the land, not each building, and leaves out surface water, groundwater and sewers. Each postcode page has its own figures and its flood warning areas.

Source: Environment Agency, Risk of Flooding from Rivers and Sea (postcodes in areas at risk), published 6 July 2026, Open Government Licence v3.0. How we use it

Postcodes in W1C

Pick a sector, then a postcode. A sector is the district plus the next digit.

W1C 164 postcodesW1C 277 postcodes
UK postcode format explained

Places in W1C

Towns and villages with postcodes in W1C, and how many each has here.

City of Westminster postcodes,141

Who covers W1C

How many of the district's postcodes in use fall under each council, constituency and police force area.

Councils

What council am I in?

Constituencies

  • Cities of London and Westminster141

Police force areas

  • Metropolitan Police141

Next to W1C

W1B postcode district W1D postcode district All W districts City of Westminster postcodes

"Next to" is by number: the districts before and after W1C in the W area.

Check a postcode

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