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CM3 1DU

Broomfield and The Walthams · Chelmsford · England

Updated September 2026

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Location overview

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Ward
Broomfield and The Walthams
Local authority
Chelmsford
Constituency
North West Essex
Postcode district
CM3
Postcode sector
CM3 1

Nearby postcodes

Nearby postcode distances
Postcode Distance
CM3 1DT 182 m
CM3 1AD 311 m
CM3 1DR 337 m
CM3 1DX 343 m
CM3 1DS 395 m
Complete postcode fields and official codes
Postcode
CM3 1DU
Status
Terminated
Introduced
1 January 1980
Terminated
1 December 1995
Postcode area
CM
Postcode district
CM3
Postcode sector
CM3 1
Latitude
51.784563
Longitude
0.457426
British National Grid easting
569,600
British National Grid northing
212,400

Statistical and administrative geographies

Country
England · E92000001
Region
East of England · E12000006
Local authority district
Chelmsford · E07000070
Electoral ward
Broomfield and The Walthams · E05004098
Parish or community
E04003960
Westminster constituency
North West Essex · E14001402
Output area
E00109435
Lower layer super output area
Chelmsford 001C · E01021540
Middle layer super output area
Chelmsford 001 · E02004485

Postcode source versions

Explore CM3

Schools

Within 3.1 miles of this postcode

View all nearby schools
Open schools
29
Primary
15
Secondary
5

  1. Great Waltham Church of England Voluntary Controlled Primary School

    Voluntary controlled school

    854 m

  2. Little Waltham Church of England Voluntary Aided Primary School

    Voluntary aided school

    1.5 km

  3. Chelmer Valley High School

    Academy converter

    1.6 km

Recorded crime

Within 1 mile of this postcode

View all nearby crime records
Published events
490
Months covered
12
Latest month
June 2026

Most recorded categories in this period

  • Violence and sexual offences 266
  • Public order 46
  • Criminal damage and arson 42
  • Other theft 40
  • Vehicle crime 29

Census 2021

Population and age profile

Postcode residents
Not supplied
Postcode households
Not supplied
Residents per household
Not available
CM3 1 residents
5,890

Age bands in CM3 1

Wider postcode sector
Age 0 to 14
18.7%

1,133 residents

Age 15 to 24
10.6%

639 residents

Age 25 to 44
21.9%

1,328 residents

Age 45 to 64
29.2%

1,769 residents

Age 65 and over
19.6%

1,186 residents

Small counts are adjusted for privacy, so totals can differ slightly between Census tables.

Census Day: 21 March 2021. Sources: ONS/Nomis P001-P004 and ONS CT21_0228. Age table version 2024-04-08.

GP practices

3

within 5 km straight-line

  • LITTLE WALTHAM & GT NOTLEY SURGERY

    30 BROOK HILL, LITTLE WALTHAM, CHELMSFORD, CM3 3LL

    ODS code F81105

    1.4 km

  • CHELMER MEDICAL PARTNERSHIP

    20 MERLIN PLACE, CHELMSFORD, CM1 4HW

    ODS code F81122

    3.9 km

  • RIVERMEAD GATE MED.CTR.

    123 RECTORY LANE, CHELMSFORD, CM1 1TR

    ODS code F81071

    5.0 km

Nearby transport

  • Lark's Lane

    BCT · Little Waltham

    0.5 miles

  • Lark's Lane

    BCT · Little Waltham

    0.5 miles

  • The Windmill

    BCT · Great Waltham

    0.5 miles

  • The Windmill

    BCT · Great Waltham

    0.5 miles

  • Ash Tree Corner

    BCT · Little Waltham

    0.6 miles

Relative deprivation

English Indices of Deprivation 2025 for Chelmsford 001C, the published LSOA linked to this postcode. Decile 1 contains the most deprived 10% of English LSOAs and decile 10 the least deprived 10%.

Overall IMD decile

5 of 10

Overall England rank

16,260 of 33,755

Income
6 of 10
Employment
6 of 10
Education and skills
6 of 10
Health and disability
9 of 10
Crime
3 of 10
Housing and services
2 of 10
Living environment
3 of 10

These are relative area statistics, not measures of an individual household, affluence or absolute change. They cannot be compared with indices for other UK nations. Source: English Indices of Deprivation 2025, version 2025-v2.

Evidence in context

Schools

29 open schools are in scope, including 15 primary and 5 secondary schools. Great Waltham Church of England Voluntary Controlled Primary School is the nearest published school at 854 m.

Counts describe active establishment records. They do not assess admissions, catchments or quality.

Recorded crime

490 published events cover 12 months, averaging 40.833 events per published month. The largest recorded category is Violence and sexual offences with 266 events.

The source publishes anonymised street-level events. These figures are not a measure of safety for an individual address.