W1U 3 postcode sector in the W1U district

W1U 3 is a sector of the W1U district: every postcode that starts W1U 3. It has 135 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 W1U 3 sector, by gigabit broadband

Map of every postcode in the W1U 3 sector, by gigabit broadband Of the 135 postcodes in the W1U 3 sector that ONS places, 8 have no home or business that can get gigabit, 10 have some that can, 107 can all get it and 10 have no Ofcom figure. One group of postcodes without gigabit is outlined: 7 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. A40A41 W1U 3EN: no Ofcom figureW1U 3HR: no Ofcom figureW1U 3QF: no Ofcom figureW1U 3AA: gigabit for allW1U 3AB: gigabit for allW1U 3AE: gigabit for allW1U 3AF: gigabit for allW1U 3AH: gigabit for allW1U 3AJ: gigabit for allW1U 3AW: gigabit for allW1U 3AZ: gigabit for allW1U 3BD: gigabit for allW1U 3BL: gigabit for allW1U 3BN: gigabit for allW1U 3BQ: gigabit for allW1U 3BW: gigabit for allW1U 3BX: gigabit for allW1U 3BZ: gigabit for allW1U 3DA: gigabit for allW1U 3DB: gigabit for allW1U 3DE: gigabit for allW1U 3DG: gigabit for allW1U 3DJ: gigabit for allW1U 3DL: gigabit for allW1U 3DP: gigabit for allW1U 3DR: gigabit for allW1U 3DT: gigabit for allW1U 3DU: gigabit for allW1U 3DZ: gigabit for allW1U 3EA: gigabit for allW1U 3EB: gigabit for allW1U 3EE: gigabit for allW1U 3EH: gigabit for allW1U 3EL: gigabit for allW1U 3ES: gigabit for allW1U 3EU: gigabit for allW1U 3EX: gigabit for allW1U 3HF: gigabit for allW1U 3HP: gigabit for allW1U 3HZ: gigabit for allW1U 3JA: gigabit for allW1U 3JD: gigabit for allW1U 3JP: gigabit for allW1U 3JR: gigabit for allW1U 3JU: gigabit for allW1U 3JY: gigabit for allW1U 3LR: gigabit for allW1U 3NL: gigabit for allW1U 3PA: gigabit for allW1U 3PB: gigabit for allW1U 3PD: gigabit for allW1U 3PF: gigabit for allW1U 3PL: gigabit for allW1U 3PP: gigabit for allW1U 3PT: gigabit for allW1U 3PW: gigabit for allW1U 3PY: gigabit for allW1U 3QA: gigabit for allW1U 3QD: gigabit for allW1U 3QE: gigabit for allW1U 3QH: gigabit for allW1U 3QL: gigabit for allW1U 3QN: gigabit for allW1U 3QP: gigabit for allW1U 3QU: gigabit for allW1U 3QW: gigabit for allW1U 3QY: gigabit for allW1U 3QZ: gigabit for allW1U 3RB: gigabit for allW1U 3RF: gigabit for allW1U 3RT: gigabit for allW1U 3RW: gigabit for allW1U 3RX: gigabit for allW1U 3RY: gigabit for allW1U 3RZ: gigabit for allW1U 3SB: gigabit for allW1U 3AY: some gigabitW1U 3DY: some gigabitW1U 3EJ: some gigabitW1U 3ET: some gigabitW1U 3HE: some gigabitW1U 3HN: some gigabitW1U 3HX: some gigabitW1U 3QB: some gigabitW1U 3QJ: some gigabitW1U 3RD: some gigabitW1U 3ED: no gigabitW1U 3EY: no gigabitW1U 3HA: no gigabitW1U 3HB: no gigabitW1U 3HD: no gigabitW1U 3HJ: no gigabitW1U 3JJ: no gigabitW1U 3SE: no gigabit City of Westminster 7 postcodes without gigabit, outlined: this goes to W1U 3HB, the one nearest the middle of them7 postcodes without gigabit Map of every postcode in the W1U 3 sector, by gigabit broadband Of the 135 postcodes in the W1U 3 sector that ONS places, 8 have no home or business that can get gigabit, 10 have some that can, 107 can all get it and 10 have no Ofcom figure. One group of postcodes without gigabit is outlined: 7 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 7 postcodes without gigabit, outlined: this goes to W1U 3HB, the one nearest the middle of them7 postcodes without gigabit
  • No home or business can get gigabit: 8
  • Some can get gigabit: 10
  • Every home and business can get gigabit: 107
  • Ofcom gives no figure: 10
  • Outline: where 5 or more postcodes without gigabit lie together

Of the 135 postcodes in the W1U 3 sector that ONS places, 8 have no home or business that can get gigabit, 10 have some that can, 107 can all get it and 10 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

W1U 3EDW1U 3EYW1U 3HAW1U 3HBW1U 3HDW1U 3HJW1U 3JJW1U 3SE

Where the postcodes without gigabit lie together

  • 7 postcodes without gigabit, outlined on the map. W1U 3HB, is the one nearest the middle of them.

What do homes sell for in W1U 3?

HM Land Registry records no standard sales of homes in W1U 3 in the 12 months to September 2026.

Standard sales of homes at market value at the postcodes that start W1U 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 W1U 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.

W1U 3AAW1U 3ABW1U 3AEW1U 3AFW1U 3AHW1U 3AJW1U 3AWW1U 3AYW1U 3AZW1U 3BDW1U 3BEW1U 3BFW1U 3BGW1U 3BLW1U 3BNW1U 3BQW1U 3BWW1U 3BXW1U 3BYW1U 3BZW1U 3DAW1U 3DBW1U 3DDW1U 3DEW1U 3DGW1U 3DHW1U 3DJW1U 3DLW1U 3DNW1U 3DPW1U 3DQW1U 3DRW1U 3DTW1U 3DUW1U 3DYW1U 3DZW1U 3EAW1U 3EBW1U 3EDW1U 3EEW1U 3EHW1U 3EJW1U 3ELW1U 3ENW1U 3ERW1U 3ESW1U 3ETW1U 3EUW1U 3EWW1U 3EXW1U 3EYW1U 3HAW1U 3HBW1U 3HDW1U 3HEW1U 3HFW1U 3HJW1U 3HNW1U 3HPW1U 3HQW1U 3HRW1U 3HSW1U 3HTW1U 3HWW1U 3HXW1U 3HZW1U 3JAW1U 3JBW1U 3JDW1U 3JGW1U 3JJW1U 3JLW1U 3JNW1U 3JPW1U 3JQW1U 3JRW1U 3JSW1U 3JUW1U 3JWW1U 3JXW1U 3JYW1U 3JZW1U 3LRW1U 3NLW1U 3PAW1U 3PBW1U 3PDW1U 3PFW1U 3PGW1U 3PHW1U 3PLW1U 3PPW1U 3PQW1U 3PTW1U 3PWW1U 3PYW1U 3PZW1U 3QAW1U 3QBW1U 3QDW1U 3QEW1U 3QFW1U 3QGW1U 3QHW1U 3QJW1U 3QLW1U 3QNW1U 3QPW1U 3QQW1U 3QRW1U 3QSW1U 3QTW1U 3QUW1U 3QWW1U 3QXW1U 3QYW1U 3QZW1U 3RBW1U 3RDW1U 3RFW1U 3RNW1U 3RTW1U 3RUW1U 3RWW1U 3RXW1U 3RYW1U 3RZW1U 3SAW1U 3SBW1U 3SDW1U 3SEW1U 3SGW1U 3SHW1U 3SJW1U 3TH

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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