W1J 9 postcode sector in the W1J district

W1J 9 is a sector of the W1J district: every postcode that starts W1J 9. It has 34 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 W1J 9 sector, by gigabit broadband

Map of every postcode in the W1J 9 sector, by gigabit broadband Of the 34 postcodes in the W1J 9 sector that ONS places, 5 have some that can, 26 can all get it and 3 have no Ofcom figure. Places named: St James's. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 250 m. A4201 W1J 9DZ: no Ofcom figureW1J 9BR: gigabit for allW1J 9EA: gigabit for allW1J 9EB: gigabit for allW1J 9EG: gigabit for allW1J 9EH: gigabit for allW1J 9EJ: gigabit for allW1J 9EN: gigabit for allW1J 9EQ: gigabit for allW1J 9ES: gigabit for allW1J 9ET: gigabit for allW1J 9EY: gigabit for allW1J 9EZ: gigabit for allW1J 9HD: gigabit for allW1J 9HL: gigabit for allW1J 9HN: gigabit for allW1J 9HP: gigabit for allW1J 9HR: gigabit for allW1J 9HS: gigabit for allW1J 9HT: gigabit for allW1J 9LE: gigabit for allW1J 9LL: gigabit for allW1J 9LN: gigabit for allW1J 9EF: some gigabitW1J 9ER: some gigabitW1J 9HA: some gigabitW1J 9EE: some gigabitW1J 9HU: some gigabit St James's Map of every postcode in the W1J 9 sector, by gigabit broadband Of the 34 postcodes in the W1J 9 sector that ONS places, 5 have some that can, 26 can all get it and 3 have no Ofcom figure. Places named: St James's. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 250 m. St James's
  • No home or business can get gigabit: 0
  • Some can get gigabit: 5
  • Every home and business can get gigabit: 26
  • Ofcom gives no figure: 3

Of the 34 postcodes in the W1J 9 sector that ONS places, 5 have some that can, 26 can all get it and 3 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. Names in italics are council wards: we hold no town or village names here.

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 in W1J 9

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.

W1J 9BRW1J 9BSW1J 9BTW1J 9DZW1J 9EAW1J 9EBW1J 9EDW1J 9EEW1J 9EFW1J 9EGW1J 9EHW1J 9EJW1J 9ENW1J 9EQW1J 9ERW1J 9ESW1J 9ETW1J 9EUW1J 9EYW1J 9EZW1J 9HAW1J 9HBW1J 9HDW1J 9HLW1J 9HNW1J 9HPW1J 9HRW1J 9HSW1J 9HTW1J 9HUW1J 9HWW1J 9LEW1J 9LLW1J 9LN

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.

Licence: Open Government Licence v3.0.

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