CM3 8AT

Rettendon and Runwell · Chelmsford · England

Updated September 2026

Compare this postcode

Location overview

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Local authority
Chelmsford
Constituency
Maldon
Postcode district
CM3
Postcode sector
CM3 8

Nearby postcodes

Nearby postcode distances
Postcode Distance
CM3 8ET 0 m
CM3 8ES 488 m
CM3 8BP 853 m
CM3 8BT 909 m
CM3 8EP 1.0 km
Complete postcode fields and official codes
Postcode
CM3 8AT
Status
Terminated
Introduced
1 March 2009
Terminated
1 July 2011
Postcode area
CM
Postcode district
CM3
Postcode sector
CM3 8
Latitude
51.666090
Longitude
0.575583
British National Grid easting
578,214
British National Grid northing
199,508

Statistical and administrative geographies

Country
England · E92000001
Region
East of England · E12000006
Local authority district
Chelmsford · E07000070
Parish or community
E04003967
Westminster constituency
Maldon · E14001351
Output area
E00109694
Lower layer super output area
Chelmsford 021D · E01034087
Middle layer super output area
Chelmsford 021 · E02004505

Postcode source versions

Explore CM3

Schools

Within 3.1 miles of this postcode

View all nearby schools
Open schools
11
Primary
10
Secondary
1
  1. St Mary's Church of England Primary School

    Academy sponsor led

    1.5 km
  2. East Hanningfield Church of England Primary Academy

    Academy converter

    2.0 km
  3. Woodville Primary School

    Academy converter

    2.8 km

Recorded crime

Within 1 mile of this postcode

View all nearby crime records
Published events
10
Months covered
12
Latest month
June 2026

Most recorded categories in this period

  • Other theft 3
  • Violence and sexual offences 3
  • Drugs 1
  • Other crime 1
  • Public order 1

Census 2021

Population and age profile

Postcode residents
Not supplied
Postcode households
Not supplied
Residents per household
Not available
CM3 8 residents
2,933

Age bands in CM3 8

Wider postcode sector
Age 0 to 14
16.1%

420 residents

Age 15 to 24
9%

234 residents

Age 25 to 44
22.1%

575 residents

Age 45 to 64
30.2%

788 residents

Age 65 and over
22.6%

590 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

2

within 5 km straight-line

  • KINGSWAY SURGERY

    CROUCH VALE MEDICAL CENTRE, BURNHAM ROAD, SOUTH WOODHAM FERRERS, CHELMSFORD, CM3 5QP

    ODS code F81170

    2.5 km

  • GREENWOOD AND WYNCROFT SURGERY

    3 PRIORY ROAD, BICKNACRE, CHELMSFORD, CM3 4EY

    ODS code F81674

    3.0 km

Nearby transport

  • Hyde Hall

    BCT · Rettendon

    0.3 miles
  • Hyde Hall

    BCT · Rettendon

    0.3 miles
  • The Firs

    BCT · Rettendon

    0.6 miles
  • The Firs

    BCT · Rettendon

    0.6 miles
  • East Hanningfield Road

    BCT · Rettendon

    0.6 miles

Relative deprivation

English Indices of Deprivation 2025 for Chelmsford 021D, 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

4 of 10

Overall England rank

12,687 of 33,755

Income
9 of 10
Employment
8 of 10
Education and skills
5 of 10
Health and disability
8 of 10
Crime
7 of 10
Housing and services
1 of 10
Living environment
1 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

11 open schools are in scope, including 10 primary and 1 secondary schools. St Mary's Church of England Primary School is the nearest published school at 0.9 miles.

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

Recorded crime

10 published events cover 12 months, averaging 0.833 events per published month. The largest recorded category is Other theft with 3 events.

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