EC1M 3 postcode sector in the EC1M district

EC1M 3 is a sector of the EC1M district: every postcode that starts EC1M 3. It has 10 postcodes in use.

Not sure what a sector is? UK postcode format explained.

Every postcode in the EC1M 3 sector, by flood risk

Map of every postcode in the EC1M 3 sector, by flood risk Of the 10 postcodes in the EC1M 3 sector that ONS places, 10 are not on the Environment Agency's at-risk list. Places named: Holborn & Covent Garden, Clerkenwell. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 250 m. EC1M 3HA: not on the flood risk listEC1M 3HE: not on the flood risk listEC1M 3JB: not on the flood risk listEC1M 3JF: not on the flood risk listEC1M 3JP: not on the flood risk listEC1M 3JQ: not on the flood risk listEC1M 3JU: not on the flood risk listEC1M 3JY: not on the flood risk listEC1M 3LL: not on the flood risk listEC1M 3LN: not on the flood risk list Holborn & Covent GardenClerkenwell Map of every postcode in the EC1M 3 sector, by flood risk Of the 10 postcodes in the EC1M 3 sector that ONS places, 10 are not on the Environment Agency's at-risk list. Places named: Holborn & Covent Garden, Clerkenwell. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 250 m. Holborn & Covent GardenClerkenwell
  • 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: 10

Of the 10 postcodes in the EC1M 3 sector that ONS places, 10 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. 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 EC1M 3?

HM Land Registry records one sale of homes in EC1M 3 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 EC1M 3. 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 EC1M 3

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.

EC1M 3HAEC1M 3HEEC1M 3JBEC1M 3JFEC1M 3JPEC1M 3JQEC1M 3JUEC1M 3JYEC1M 3LLEC1M 3LN

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.

Check a postcode

Something wrong on this page? Report an error and we will check it against the source.