W1K 3 postcode sector in the W1K district

W1K 3 is a sector of the W1K district: every postcode that starts W1K 3. It has 122 postcodes in use, 4 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 3 sector, by gigabit broadband

Map of every postcode in the W1K 3 sector, by gigabit broadband Of the 122 postcodes in the W1K 3 sector that ONS places, 9 have no home or business that can get gigabit, 12 have some that can, 90 can all get it and 11 have no Ofcom figure. One group of postcodes without gigabit is outlined: 9 postcodes without gigabit. Places named: City of Westminster. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 250 m. A4202A4201 W1K 3AB: no Ofcom figureW1K 3AD: no Ofcom figureW1K 3DQ: no Ofcom figureW1K 3HY: no Ofcom figureW1K 3JR: no Ofcom figureW1K 3JS: no Ofcom figureW1K 3RB: no Ofcom figureW1K 3AF: gigabit for allW1K 3AH: gigabit for allW1K 3AL: gigabit for allW1K 3AN: gigabit for allW1K 3AP: gigabit for allW1K 3AR: gigabit for allW1K 3AW: gigabit for allW1K 3DB: gigabit for allW1K 3DJ: gigabit for allW1K 3DL: gigabit for allW1K 3DS: gigabit for allW1K 3DT: gigabit for allW1K 3DU: gigabit for allW1K 3EH: gigabit for allW1K 3EQ: gigabit for allW1K 3HH: gigabit for allW1K 3HL: gigabit for allW1K 3HN: gigabit for allW1K 3HP: gigabit for allW1K 3HT: gigabit for allW1K 3HU: gigabit for allW1K 3HW: gigabit for allW1K 3HZ: gigabit for allW1K 3JB: gigabit for allW1K 3JE: gigabit for allW1K 3JG: gigabit for allW1K 3JH: gigabit for allW1K 3JL: gigabit for allW1K 3JN: gigabit for allW1K 3JP: gigabit for allW1K 3JU: gigabit for allW1K 3JZ: gigabit for allW1K 3LA: gigabit for allW1K 3LZ: gigabit for allW1K 3NA: gigabit for allW1K 3NF: gigabit for allW1K 3NH: gigabit for allW1K 3NN: gigabit for allW1K 3NP: gigabit for allW1K 3NY: gigabit for allW1K 3PA: gigabit for allW1K 3PD: gigabit for allW1K 3PF: gigabit for allW1K 3PH: gigabit for allW1K 3PJ: gigabit for allW1K 3PN: gigabit for allW1K 3PP: gigabit for allW1K 3PQ: gigabit for allW1K 3PR: gigabit for allW1K 3PS: gigabit for allW1K 3PT: gigabit for allW1K 3PU: gigabit for allW1K 3PX: gigabit for allW1K 3PY: gigabit for allW1K 3QD: gigabit for allW1K 3RD: gigabit for allW1K 3RE: gigabit for allW1K 3RG: gigabit for allW1K 3RH: gigabit for allW1K 3RL: gigabit for allW1K 3RN: gigabit for allW1K 3SA: gigabit for allW1K 3SB: gigabit for allW1K 3SD: gigabit for allW1K 3SE: gigabit for allW1K 3SF: gigabit for allW1K 3SG: gigabit for allW1K 3SH: gigabit for allW1K 3RA: gigabit for allW1K 3DR: gigabit for allW1K 3AZ: some gigabitW1K 3DE: some gigabitW1K 3JX: some gigabitW1K 3JY: some gigabitW1K 3NE: some gigabitW1K 3NL: some gigabitW1K 3NU: some gigabitW1K 3QA: some gigabitW1K 3QB: some gigabitW1K 3QT: some gigabitW1K 3QU: some gigabitW1K 3NS: some gigabitW1K 3AJ: no gigabitW1K 3AT: no gigabitW1K 3JA: no gigabitW1K 3NT: no gigabitW1K 3NX: no gigabitW1K 3PB: no gigabitW1K 3QQ: no gigabitW1K 3ND: no gigabit City of Westminster 9 postcodes without gigabit, outlined: this goes to W1K 3ND, the one nearest the middle of them9 postcodes without gigabit Map of every postcode in the W1K 3 sector, by gigabit broadband Of the 122 postcodes in the W1K 3 sector that ONS places, 9 have no home or business that can get gigabit, 12 have some that can, 90 can all get it and 11 have no Ofcom figure. One group of postcodes without gigabit is outlined: 9 postcodes without gigabit. 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 9 postcodes without gigabit, outlined: this goes to W1K 3ND, the one nearest the middle of them9 postcodes without gigabit
  • No home or business can get gigabit: 9
  • Some can get gigabit: 12
  • Every home and business can get gigabit: 90
  • Ofcom gives no figure: 11
  • Outline: where 5 or more postcodes without gigabit lie together

Of the 122 postcodes in the W1K 3 sector that ONS places, 9 have no home or business that can get gigabit, 12 have some that can, 90 can all get it and 11 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. A dashed outline shows where 5 or more lie within 150 metres of each other. It is not a boundary, and 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 3AJW1K 3ATW1K 3ERW1K 3JAW1K 3NDW1K 3NTW1K 3NXW1K 3PBW1K 3QQ

Where the postcodes without gigabit lie together

  • 9 postcodes without gigabit, outlined on the map. W1K 3ND, is the one nearest the middle of them.

What do homes sell for in W1K 3?

HM Land Registry records 2 sales of homes in W1K 3 in the 12 months to September 2026: too few to give a typical price.

  • Terraced 1 sale, too few to price
  • Flat or maisonette 1 sale, too few to price

Standard sales of homes at market value at the postcodes that start W1K 3. 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 3

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 3ABW1K 3ADW1K 3AFW1K 3AHW1K 3AJW1K 3ALW1K 3ANW1K 3APW1K 3ARW1K 3ASW1K 3ATW1K 3AWW1K 3AXW1K 3AZW1K 3DAW1K 3DBW1K 3DEW1K 3DJW1K 3DLW1K 3DNW1K 3DPW1K 3DQW1K 3DRW1K 3DSW1K 3DTW1K 3DUW1K 3DWW1K 3EHW1K 3EPW1K 3EQW1K 3ERW1K 3HHW1K 3HLW1K 3HNW1K 3HPW1K 3HTW1K 3HUW1K 3HWW1K 3HYW1K 3HZW1K 3JAW1K 3JBW1K 3JEW1K 3JFW1K 3JGW1K 3JHW1K 3JLW1K 3JNW1K 3JPW1K 3JRW1K 3JSW1K 3JUW1K 3JXW1K 3JYW1K 3JZW1K 3LAW1K 3LJW1K 3LWW1K 3LZW1K 3NAW1K 3NBW1K 3NDW1K 3NEW1K 3NFW1K 3NGW1K 3NHW1K 3NJW1K 3NLW1K 3NNW1K 3NPW1K 3NQW1K 3NRW1K 3NSW1K 3NTW1K 3NUW1K 3NWW1K 3NXW1K 3NYW1K 3PAW1K 3PBW1K 3PDW1K 3PFW1K 3PGW1K 3PHW1K 3PJW1K 3PNW1K 3PPW1K 3PQW1K 3PRW1K 3PSW1K 3PTW1K 3PUW1K 3PWW1K 3PXW1K 3PYW1K 3PZW1K 3QAW1K 3QBW1K 3QDW1K 3QQW1K 3QTW1K 3QUW1K 3RAW1K 3RBW1K 3RDW1K 3REW1K 3RFW1K 3RGW1K 3RHW1K 3RJW1K 3RLW1K 3RNW1K 3RQW1K 3SAW1K 3SBW1K 3SDW1K 3SEW1K 3SFW1K 3SGW1K 3SHW1K 3SQW1K 3TA

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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