EC4M 9 postcode sector in the EC4M district

EC4M 9 is a sector of the EC4M district: every postcode that starts EC4M 9. It has 24 postcodes in use, one of them a large-user postcode. 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 EC4M 9 sector, by flood risk

Map of every postcode in the EC4M 9 sector, by flood risk Of the 24 postcodes in the EC4M 9 sector that ONS places, 24 are not on the Environment Agency's at-risk list. Places named: City of London. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 250 m. A3211 EC4M 9AD: not on the flood risk listEC4M 9AF: not on the flood risk listEC4M 9AG: not on the flood risk listEC4M 9AH: not on the flood risk listEC4M 9AJ: not on the flood risk listEC4M 9AL: not on the flood risk listEC4M 9AY: not on the flood risk listEC4M 9BB: not on the flood risk listEC4M 9BE: not on the flood risk listEC4M 9BJ: not on the flood risk listEC4M 9BP: not on the flood risk listEC4M 9BR: not on the flood risk listEC4M 9BT: not on the flood risk listEC4M 9BW: not on the flood risk listEC4M 9BX: not on the flood risk listEC4M 9DD: not on the flood risk listEC4M 9DJ: not on the flood risk listEC4M 9DL: not on the flood risk listEC4M 9DN: not on the flood risk listEC4M 9DQ: not on the flood risk listEC4M 9DT: not on the flood risk listEC4M 9EB: not on the flood risk listEC4M 9EE: not on the flood risk listEC4M 9EH: not on the flood risk list City of London Map of every postcode in the EC4M 9 sector, by flood risk Of the 24 postcodes in the EC4M 9 sector that ONS places, 24 are not on the Environment Agency's at-risk list. Places named: City of London. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 250 m. A3211 City of London
  • 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: 24

Of the 24 postcodes in the EC4M 9 sector that ONS places, 24 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.

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 EC4M 9?

HM Land Registry records no standard sales of homes in EC4M 9 in the 12 months to August 2026.

Standard sales of homes at market value at the postcodes that start EC4M 9. 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 EC4M 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.

EC4M 9ADEC4M 9AFEC4M 9AGEC4M 9AHEC4M 9AJEC4M 9ALEC4M 9AYEC4M 9BBEC4M 9BEEC4M 9BJEC4M 9BPEC4M 9BREC4M 9BTEC4M 9BWEC4M 9BXEC4M 9DDEC4M 9DJEC4M 9DLEC4M 9DNEC4M 9DQEC4M 9DTEC4M 9EBEC4M 9EEEC4M 9EH

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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