Chelmsford (CM1)

The CM1 postcode area is located in the Chelmsford postcode town region, within the county of Essex, and contains a total of 2642 individual postcodes.

There are 15 electoral wards in the CM1 postcode area, including Billericay, Bishops Stortford, Braintree, Brentwood, Burnham-On-Crouch, Chelmsford, Dunmow, Epping, Harlow, Ingatestone, Maldon, Ongar, Sawbridgeworth, Southminster, Stansted, Witham, which come under the local authority of the Chelmsford Council.

Combining the whole postcode region, 29% of people in CM1 are classed as having an AB social grade, (i.e. 'white-collar' middle-upper class), compared to 27% across the UK.

This does not mean that the people of CM1 are wealthier - or higher class - than average, but it can be an indication that the area may be prospering and desirable to live in.



  • 89%WORKING

11% of people in CM1 are either unemployed or full time students. The average UK unemployment rate is currently 4%.


  • 29%AB
  • 54%C2/C2
  • 18%DE

According to census records, 29% of people here have a social grade of AB (highest), compared to the national average of 27%.


  • 88%WHITE
  • 12%NON-WHITE

88% of people class themselves as 'white', compared to a national UK average of 81.9%.

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The county of Essex

CM1 is located in the county of Essex, in England.

Essex has a total population of 1,802,200, making it the 7th largest county in the UK.

Essex has a total area of 1417 square miles, and a population density of 491 people per square kilometre. For comparison, Greater London has a density of 5,618 people/km2.

CM1 Electoral Wards

The postal region of CM1, includes the local towns, villages, electoral wards and stations of:

Bishops Stortford
Essex Postal Town Map
Outward CodeCM1
Postal TownChelmsford
MSOA NameChelmsford 010
LSOA NameChelmsford 010G
Local AuthorityChelmsford
Area ClassificationUrban with City and Town
Browse Postcodes in CM1

Dig even deeper into the CM1 postcode by clicking on a postcode below:

Click on an outward postal code below for more information about the area. Each 'outward' postcode give you a comprehensive list of all postcodes within the outward code area (CM) and estimated address.

Click on an 'outward' code for more information. For example, the outward postcode page 'EC2M' will give you an alphabetical list covering all postcodes located in the region, from 'EC2M 1BB' through to 'EC2M 7YA'.

Your views ofCM1

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Please tell us what you like about the CM1 postcode area, what you don't like, and what it's like to live or work here.

Your opinions on...

Mystery Essex Lotto winner 'Mrs B' lands 1m

A mystery Lotto winner - known only as Mrs B - has become a millionaire without ever touching a ticket.

Daily Gazette

'New 9m flood defence will be like building a new quarry next to our homes'

A 9m pound flood defence scheme would cause "irreparable damage" to the landscape of a historic village if given the go ahead, it is claimed.

Daily Gazette

Norfolk, Suffolk and Essex: Third of tourism firms see profits fall

A survey of tourism in the East of England finds nearly a third of firms see a decrease in income.

BBC News

Live A12 traffic as road shuts for 'broken down school bus'

The kids are allegedly stood at the side of the road

Essex Live

Airport's car park revamp plans as extra 1.1m passengers expected this year

Southend Airport is revamping its car parking as it prepares to welcome 2.5 million passengers a year by the end of 2019 - up from 1.4million passengers last year.

The Echo

Man battling aggressive disease calling for stem cell help

A SOUTH Essex man fighting aggressive multiple sclerosis has launched a fresh fundraising bid to pay for radical stem cell treatment.

The Echo

HMP Chelmsford 'failing to tackle drugs'

Drugs are "easy to obtain" at Chelmsford Prison and this "undermines" progress, a review finds.

BBC News

Raid uncovers suspected Class A drugs as well as hammer and an AXE

POLICE executed a drugs raid and found an axe, hammer... and a Kinder egg packed full of suspected wraps of cocaine or heroin.

The Echo

From the Postcode Area blog

Death of the High Street?

Death of the High Street?

The BBC reports that despite councils' attempts to kurb them, the UK's high streets have seen a huge growth in fast food outlets. Could this mark the death knell for the Great British high street, and what can we do about it to halt its decline?

Read more

Discrimination by Postcode

Discrimination by Postcode

You really couldn't make it up, could you? Some of the country's most vulnerable people are missing out on their weekly £25 Cold Weather Payment, just because the system that's in operation is discriminating against them because payments are based on postcode, rather than geographic location.

Read more

The Redesign is Underway

The Redesign is Underway

Well, the current website was absolutely in dire need of a good redesign - from the ground up. So I set out to pull it all apart and get it up and running again to become the most comprehensive guide to every postcode in the UK. And it's been a long, tough job from start to finish - and quite possibly the biggest project I've ever undertaken.

Read more

The Impossible Challenge of Affordability

The Impossible Challenge of Affordability

No wonder the younger generation are getting more and more frustrated with money - new research has revealed that even with a 10% deposit, 25-34 year olds are struggling to afford even the CHEAPEST houses on the market. Is there a solution to the 'impossible challenge'?

Read more