WC2B 4 postcode sector in the WC2B district

WC2B 4 is a sector of the WC2B district: every postcode that starts WC2B 4. It has 43 postcodes in use, 10 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 WC2B 4 sector, by flood risk

Map of every postcode in the WC2B 4 sector, by flood risk Of the 43 postcodes in the WC2B 4 sector that ONS places, 1 are at very low risk only and 42 are not on the Environment Agency's at-risk list. One postcode lies beyond the edge and is listed under the map. Places named: St James's. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 250 m. A401A4200A40A4 WC2B 4AA: not on the flood risk listWC2B 4AB: not on the flood risk listWC2B 4AE: not on the flood risk listWC2B 4AF: not on the flood risk listWC2B 4AG: not on the flood risk listWC2B 4AH: not on the flood risk listWC2B 4AN: not on the flood risk listWC2B 4AQ: not on the flood risk listWC2B 4AS: not on the flood risk listWC2B 4AT: not on the flood risk listWC2B 4AU: not on the flood risk listWC2B 4AW: not on the flood risk listWC2B 4AY: not on the flood risk listWC2B 4AZ: not on the flood risk listWC2B 4BA: not on the flood risk listWC2B 4BB: not on the flood risk listWC2B 4BD: not on the flood risk listWC2B 4BG: not on the flood risk listWC2B 4BJ: not on the flood risk listWC2B 4BQ: not on the flood risk listWC2B 4BS: not on the flood risk listWC2B 4BW: not on the flood risk listWC2B 4BX: not on the flood risk listWC2B 4BZ: not on the flood risk listWC2B 4DD: not on the flood risk listWC2B 4DE: not on the flood risk listWC2B 4DF: not on the flood risk listWC2B 4DN: not on the flood risk listWC2B 4DR: not on the flood risk listWC2B 4HN: not on the flood risk listWC2B 4JF: not on the flood risk listWC2B 4LA: not on the flood risk listWC2B 4LD: not on the flood risk listWC2B 4LL: not on the flood risk listWC2B 4NA: not on the flood risk listWC2B 4PJ: not on the flood risk listWC2B 4RL: not on the flood risk list St James's Map of every postcode in the WC2B 4 sector, by flood risk Of the 43 postcodes in the WC2B 4 sector that ONS places, 1 are at very low risk only and 42 are not on the Environment Agency's at-risk list. One postcode lies beyond the edge and is listed under the map. Places named: St James's. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 250 m. A401 St James's
  • A home or business at high risk: 0
  • At medium risk at worst: 0
  • At low risk at worst: 0
  • At very low risk only: 1
  • Not on the at-risk list: 42

Of the 43 postcodes in the WC2B 4 sector that ONS places, 1 are at very low risk only and 42 are not on the Environment Agency's at-risk list.

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.

Source: Office for National Statistics (ONS) Postcode Directory, August 2026, loaded 20 October 2026, the centre point of each postcode; flood risk: Environment Agency, published 6 July 2026; roads, rivers and built-up areas: 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. How we use them

Further out, not drawn

This postcode lies well apart from the rest, so the map is drawn without it to show the rest closer; it is in every count.

WC2B 4RD

What do homes sell for in WC2B 4?

HM Land Registry records one sale of homes in WC2B 4 in the 12 months to August 2026: too few to give a typical price.

  • Flat or maisonette 1 sale, too few to price

Standard sales of homes at market value at the postcodes that start WC2B 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 September 2026. Contains HM Land Registry data © Crown copyright and database right 2021. This data is licensed under the Open Government Licence v3.0. How we use it

Postcodes in WC2B 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.

WC2B 4AAWC2B 4ABWC2B 4AEWC2B 4AFWC2B 4AGWC2B 4AHWC2B 4ANWC2B 4AQWC2B 4ASWC2B 4ATWC2B 4AUWC2B 4AWWC2B 4AYWC2B 4AZWC2B 4BAWC2B 4BBWC2B 4BDWC2B 4BGWC2B 4BJWC2B 4BQWC2B 4BSWC2B 4BWWC2B 4BXWC2B 4BZWC2B 4DDWC2B 4DEWC2B 4DFWC2B 4DGWC2B 4DNWC2B 4DRWC2B 4EJWC2B 4HNWC2B 4JFWC2B 4JNWC2B 4LAWC2B 4LDWC2B 4LGWC2B 4LLWC2B 4LUWC2B 4NAWC2B 4PJWC2B 4RDWC2B 4RL

Source: Office for National Statistics (ONS) Postcode Directory, August 2026, loaded 20 October 2026. Postcodes that have ended are not listed. See all our data sources

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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