W1K 4 postcode sector in the W1K district

W1K 4 is a sector of the W1K district: every postcode that starts W1K 4. It has 94 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 W1K 4 sector, by gigabit broadband

Map of every postcode in the W1K 4 sector, by gigabit broadband Of the 94 postcodes in the W1K 4 sector that ONS places, 1 have no home or business that can get gigabit, 2 have some that can, 84 can all get it and 7 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. A4201 W1K 4HP: no Ofcom figureW1K 4PX: no Ofcom figureW1K 4QW: no Ofcom figureW1K 4AB: gigabit for allW1K 4AE: gigabit for allW1K 4AF: gigabit for allW1K 4AG: gigabit for allW1K 4AH: gigabit for allW1K 4AJ: gigabit for allW1K 4AL: gigabit for allW1K 4AN: gigabit for allW1K 4AP: gigabit for allW1K 4AR: gigabit for allW1K 4AS: gigabit for allW1K 4AX: gigabit for allW1K 4AY: gigabit for allW1K 4BA: gigabit for allW1K 4BF: gigabit for allW1K 4BH: gigabit for allW1K 4BN: gigabit for allW1K 4DF: gigabit for allW1K 4DG: gigabit for allW1K 4DS: gigabit for allW1K 4DT: gigabit for allW1K 4DX: gigabit for allW1K 4DY: gigabit for allW1K 4EA: gigabit for allW1K 4EB: gigabit for allW1K 4EE: gigabit for allW1K 4EF: gigabit for allW1K 4EH: gigabit for allW1K 4ER: gigabit for allW1K 4HA: gigabit for allW1K 4HB: gigabit for allW1K 4HF: gigabit for allW1K 4HG: gigabit for allW1K 4HH: gigabit for allW1K 4HJ: gigabit for allW1K 4HL: gigabit for allW1K 4HQ: gigabit for allW1K 4HR: gigabit for allW1K 4HS: gigabit for allW1K 4HW: gigabit for allW1K 4HX: gigabit for allW1K 4HY: gigabit for allW1K 4JP: gigabit for allW1K 4JR: gigabit for allW1K 4JS: gigabit for allW1K 4JU: gigabit for allW1K 4LT: gigabit for allW1K 4LU: gigabit for allW1K 4LX: gigabit for allW1K 4NA: gigabit for allW1K 4NB: gigabit for allW1K 4NE: gigabit for allW1K 4PA: gigabit for allW1K 4PS: gigabit for allW1K 4PZ: gigabit for allW1K 4QB: gigabit for allW1K 4QF: gigabit for allW1K 4QG: gigabit for allW1K 4QJ: gigabit for allW1K 4QL: gigabit for allW1K 4QN: gigabit for allW1K 4QQ: gigabit for allW1K 4QR: gigabit for allW1K 4QU: gigabit for allW1K 4QX: gigabit for allW1K 4HE: gigabit for allW1K 4PU: gigabit for allW1K 4BP: some gigabitW1K 4JT: some gigabitW1K 4QP: no gigabit City of Westminster Map of every postcode in the W1K 4 sector, by gigabit broadband Of the 94 postcodes in the W1K 4 sector that ONS places, 1 have no home or business that can get gigabit, 2 have some that can, 84 can all get it and 7 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. A40 City of Westminster
  • No home or business can get gigabit: 1
  • Some can get gigabit: 2
  • Every home and business can get gigabit: 84
  • Ofcom gives no figure: 7

Of the 94 postcodes in the W1K 4 sector that ONS places, 1 have no home or business that can get gigabit, 2 have some that can, 84 can all get it and 7 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

W1K 4QP

What do homes sell for in W1K 4?

HM Land Registry records 3 sales of homes in W1K 4 in the 12 months to September 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 4. 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.

Postcodes in W1K 4

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.

W1K 4ABW1K 4AEW1K 4AFW1K 4AGW1K 4AHW1K 4AJW1K 4ALW1K 4ANW1K 4APW1K 4ARW1K 4ASW1K 4ATW1K 4AWW1K 4AXW1K 4AYW1K 4AZW1K 4BAW1K 4BBW1K 4BDW1K 4BEW1K 4BFW1K 4BHW1K 4BNW1K 4BPW1K 4DFW1K 4DGW1K 4DSW1K 4DTW1K 4DXW1K 4DYW1K 4DZW1K 4EAW1K 4EBW1K 4EDW1K 4EEW1K 4EFW1K 4EGW1K 4EHW1K 4ERW1K 4HAW1K 4HBW1K 4HDW1K 4HEW1K 4HFW1K 4HGW1K 4HHW1K 4HJW1K 4HLW1K 4HNW1K 4HPW1K 4HQW1K 4HRW1K 4HSW1K 4HUW1K 4HWW1K 4HXW1K 4HYW1K 4JPW1K 4JRW1K 4JSW1K 4JTW1K 4JUW1K 4LRW1K 4LTW1K 4LUW1K 4LXW1K 4LYW1K 4NAW1K 4NBW1K 4NDW1K 4NEW1K 4NFW1K 4NJW1K 4PAW1K 4PSW1K 4PTW1K 4PUW1K 4PXW1K 4PZW1K 4QBW1K 4QFW1K 4QGW1K 4QJW1K 4QLW1K 4QNW1K 4QPW1K 4QQW1K 4QRW1K 4QSW1K 4QUW1K 4QWW1K 4QXW1K 4QYW1K 4QZ

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.

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Where the facts on this page come from

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