EC4A 1 postcode sector in the EC4A district

EC4A 1 is a sector of the EC4A district: every postcode that starts EC4A 1. It has 35 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 EC4A 1 sector, by flood risk

Map of every postcode in the EC4A 1 sector, by flood risk Of the 35 postcodes in the EC4A 1 sector that ONS places, 35 are not on the Environment Agency's at-risk list. Places named: Farringdon Without, Castle Baynard. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 250 m. A40A201 EC4A 1AA: not on the flood risk listEC4A 1AB: not on the flood risk listEC4A 1AG: not on the flood risk listEC4A 1AN: not on the flood risk listEC4A 1AY: not on the flood risk listEC4A 1AZ: not on the flood risk listEC4A 1BD: not on the flood risk listEC4A 1BE: not on the flood risk listEC4A 1BF: not on the flood risk listEC4A 1BG: not on the flood risk listEC4A 1BL: not on the flood risk listEC4A 1BR: not on the flood risk listEC4A 1BT: not on the flood risk listEC4A 1BW: not on the flood risk listEC4A 1BX: not on the flood risk listEC4A 1DE: not on the flood risk listEC4A 1DR: not on the flood risk listEC4A 1DS: not on the flood risk listEC4A 1DT: not on the flood risk listEC4A 1DZ: not on the flood risk listEC4A 1EN: not on the flood risk listEC4A 1EP: not on the flood risk listEC4A 1EQ: not on the flood risk listEC4A 1GP: not on the flood risk listEC4A 1HP: not on the flood risk listEC4A 1JQ: not on the flood risk listEC4A 1JS: not on the flood risk listEC4A 1LB: not on the flood risk listEC4A 1LL: not on the flood risk listEC4A 1LR: not on the flood risk listEC4A 1LT: not on the flood risk listEC4A 1NL: not on the flood risk list Farringdon WithoutCastle Baynard Map of every postcode in the EC4A 1 sector, by flood risk Of the 35 postcodes in the EC4A 1 sector that ONS places, 35 are not on the Environment Agency's at-risk list. Places named: Farringdon Without, Castle Baynard. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 250 m. Farringdon WithoutCastle Baynard
  • 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: 35

Of the 35 postcodes in the EC4A 1 sector that ONS places, 35 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

What do homes sell for in EC4A 1?

HM Land Registry records 3 sales of homes in EC4A 1 in the 12 months to August 2026: too few to give a typical price.

  • Flat or maisonette 3 sales, too few to price

Standard sales of homes at market value at the postcodes that start EC4A 1. 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 EC4A 1

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.

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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