EC1A 4 postcode sector in the EC1A district

EC1A 4 is a sector of the EC1A district: every postcode that starts EC1A 4. It has 23 postcodes in use, 2 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 EC1A 4 sector, by flood risk

Map of every postcode in the EC1A 4 sector, by flood risk Of the 23 postcodes in the EC1A 4 sector that ONS places, 23 are not on the Environment Agency's at-risk list. One postcode lies beyond the edge and is listed under the map. Places named: Bunhill, Aldersgate. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 250 m. A201A1211A40 EC1A 4AE: not on the flood risk listEC1A 4AS: not on the flood risk listEC1A 4EN: not on the flood risk listEC1A 4ER: not on the flood risk listEC1A 4EU: not on the flood risk listEC1A 4HD: not on the flood risk listEC1A 4HJ: not on the flood risk listEC1A 4HT: not on the flood risk listEC1A 4HU: not on the flood risk listEC1A 4HY: not on the flood risk listEC1A 4JA: not on the flood risk listEC1A 4JE: not on the flood risk listEC1A 4JH: not on the flood risk listEC1A 4JN: not on the flood risk listEC1A 4JP: not on the flood risk listEC1A 4JQ: not on the flood risk listEC1A 4JR: not on the flood risk listEC1A 4JT: not on the flood risk listEC1A 4JU: not on the flood risk listEC1A 4LA: not on the flood risk list BunhillAldersgate Map of every postcode in the EC1A 4 sector, by flood risk Of the 23 postcodes in the EC1A 4 sector that ONS places, 23 are not on the Environment Agency's at-risk list. One postcode lies beyond the edge and is listed under the map. Places named: Bunhill, Aldersgate. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 250 m. A1211 BunhillAldersgate
  • 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: 0
  • Not on the at-risk list: 23

Of the 23 postcodes in the EC1A 4 sector that ONS places, 23 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.

EC1A 4JB

What do homes sell for in EC1A 4?

HM Land Registry records 2 sales of homes in EC1A 4 in the 12 months to August 2026: too few to give a typical price.

  • Flat or maisonette 2 sales, too few to price

Standard sales of homes at market value at the postcodes that start EC1A 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 EC1A 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.

EC1A 4AEEC1A 4ASEC1A 4ENEC1A 4EREC1A 4EUEC1A 4HDEC1A 4HJEC1A 4HTEC1A 4HUEC1A 4HYEC1A 4JAEC1A 4JBEC1A 4JEEC1A 4JHEC1A 4JLEC1A 4JNEC1A 4JPEC1A 4JQEC1A 4JREC1A 4JTEC1A 4JUEC1A 4JWEC1A 4LA

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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