W1C 1 postcode sector in the W1C district

W1C 1 is a sector of the W1C district: every postcode that starts W1C 1. It has 64 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 W1C 1 sector, by gigabit broadband

Map of every postcode in the W1C 1 sector, by gigabit broadband Of the 64 postcodes in the W1C 1 sector that ONS places, 5 have no home or business that can get gigabit, 5 have some that can, 42 can all get it and 12 have no Ofcom figure. Places named: City of Westminster. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 250 m. A41A5204 W1C 1AE: no Ofcom figureW1C 1DB: no Ofcom figureW1C 1DR: no Ofcom figureW1C 1JN: no Ofcom figureW1C 1LB: no Ofcom figureW1C 1LX: no Ofcom figureW1C 1AS: gigabit for allW1C 1AT: gigabit for allW1C 1AX: gigabit for allW1C 1AZ: gigabit for allW1C 1BA: gigabit for allW1C 1BE: gigabit for allW1C 1BF: gigabit for allW1C 1BG: gigabit for allW1C 1DH: gigabit for allW1C 1DJ: gigabit for allW1C 1DL: gigabit for allW1C 1DN: gigabit for allW1C 1DP: gigabit for allW1C 1DS: gigabit for allW1C 1DW: gigabit for allW1C 1DX: gigabit for allW1C 1ES: gigabit for allW1C 1HG: gigabit for allW1C 1JB: gigabit for allW1C 1JE: gigabit for allW1C 1JF: gigabit for allW1C 1JG: gigabit for allW1C 1JJ: gigabit for allW1C 1JP: gigabit for allW1C 1JS: gigabit for allW1C 1JW: gigabit for allW1C 1JY: gigabit for allW1C 1LU: gigabit for allW1C 1LZ: gigabit for allW1C 1NA: gigabit for allW1C 1AP: gigabit for allW1C 1JH: gigabit for allW1C 1AY: some gigabitW1C 1BB: some gigabitW1C 1BQ: some gigabitW1C 1DA: some gigabitW1C 1BH: no gigabitW1C 1JT: no gigabitW1C 1LA: no gigabitW1C 1LR: no gigabit City of Westminster Map of every postcode in the W1C 1 sector, by gigabit broadband Of the 64 postcodes in the W1C 1 sector that ONS places, 5 have no home or business that can get gigabit, 5 have some that can, 42 can all get it and 12 have no Ofcom figure. 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
  • No home or business can get gigabit: 5
  • Some can get gigabit: 5
  • Every home and business can get gigabit: 42
  • Ofcom gives no figure: 12

Of the 64 postcodes in the W1C 1 sector that ONS places, 5 have no home or business that can get gigabit, 5 have some that can, 42 can all get it and 12 have no Ofcom figure.

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.

Sources: ONS Postcode Directory, August 2026, loaded 20 October 2026; Ofcom Connected Nations, Connected Nations, Spring 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.

Postcodes without gigabit

W1C 1BHW1C 1JTW1C 1LAW1C 1LRW1C 1NB

Postcodes in W1C 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.

W1C 1ADW1C 1AEW1C 1APW1C 1ASW1C 1ATW1C 1AXW1C 1AYW1C 1AZW1C 1BAW1C 1BBW1C 1BEW1C 1BFW1C 1BGW1C 1BHW1C 1BQW1C 1BYW1C 1DAW1C 1DBW1C 1DDW1C 1DEW1C 1DHW1C 1DJW1C 1DLW1C 1DNW1C 1DPW1C 1DRW1C 1DSW1C 1DTW1C 1DWW1C 1DXW1C 1ESW1C 1HGW1C 1JBW1C 1JEW1C 1JFW1C 1JGW1C 1JHW1C 1JJW1C 1JNW1C 1JPW1C 1JRW1C 1JSW1C 1JTW1C 1JUW1C 1JWW1C 1JXW1C 1JYW1C 1LAW1C 1LBW1C 1LDW1C 1LEW1C 1LFW1C 1LGW1C 1LLW1C 1LNW1C 1LPW1C 1LQW1C 1LRW1C 1LUW1C 1LWW1C 1LXW1C 1LZW1C 1NAW1C 1NB

Source: ONS Postcode Directory, August 2026, loaded 20 October 2026. Postcodes that have ended are not listed.

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.

Other sectors in W1C

W1C 2 sector All of W1C W postcode area

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Where the facts on this page come from

Contains public sector information licensed under the Open Government Licence v3.0.

Licence: Open Government Licence v3.0.

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