CM3 8EN

Rettendon and Runwell · Chelmsford · England

Updated September 2026

Compare this postcode

Location overview

Drag to pan. Use + or - to zoom. Open larger map
Post town
Chelmsford
Local authority
Chelmsford
Constituency
Maldon
Postcode district
CM3
Postcode sector
CM3 8

Nearby postcodes

Nearby postcode distances
Postcode Distance
CM3 8EL 218 m
CM3 8EJ 243 m
CM3 8EH 299 m
CM3 8EQ 302 m
CM3 8EG 432 m
Complete postcode fields and official codes
Postcode
CM3 8EN
Status
Current
Introduced
1 January 1992
Terminated
Not published
Postcode area
CM
Postcode district
CM3
Postcode sector
CM3 8
Latitude
51.656844
Longitude
0.555451
British National Grid easting
576,858
British National Grid northing
198,431

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

19 recorded sales at this postcode
Address Date Price
57, East Hanningfield Road, Rettendon Common, Chelmsford, CM3 8EN 5 February 2026 £825,000
Windrush, East Hanningfield Road, Rettendon Common, Chelmsford, CM3 8EN 15 March 2024 £422,500
50, East Hanningfield Road, Rettendon Common, Chelmsford, CM3 8EN 30 March 2022 £460,000

Schools

Within 3.1 miles of this postcode

View all nearby schools
Open schools
18
Primary
15
Secondary
2
  1. Rettendon Primary School

    Academy converter

    2.2 km
  2. St Luke's Park Primary School

    Free schools

    2.7 km
  3. East Hanningfield Church of England Primary Academy

    Academy converter

    2.7 km

Recorded crime

Within 1 mile of this postcode

View all nearby crime records
Published events
36
Months covered
12
Latest month
June 2026

Most recorded categories in this period

  • Violence and sexual offences 10
  • Anti social behaviour 7
  • Burglary 4
  • Drugs 3
  • Other theft 3

Census 2021

Population and age profile

Postcode residents
54

28 female, 26 male

Postcode households
23
Residents per household
2.3
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

This postcode contained 1.8% of the sector's usual residents on Census Day. The age profile describes the wider CM3 8 sector, not people in this individual postcode.

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.

Fixed broadband coverage

Ofcom's predicted availability across all residential and commercial premises in this postcode in January 2026.

Superfast, 30 Mbit/s+
100%
Ultrafast, 100 Mbit/s+
0%
Ultrafast, 300 Mbit/s+
0%
Gigabit-capable
0%
Unable to receive decent fixed or FWA broadband
0%
Next Generation Access
100%
Decent broadband available from fixed wireless
0%

Predicted coverage, not measured speeds. Check availability for your address with a provider. Postcode-level full-fibre figures are not published in this release.

Source: Ofcom Connected Nations Spring 2026, version 2026-01-v2. Contains Ofcom data licensed under the Open Government Licence v3.0.

GP practices

2

within 5 km

  • KINGSWAY SURGERY

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

    ODS code F81170

    3.5 km

  • GREENWOOD AND WYNCROFT SURGERY

    3 PRIORY ROAD, BICKNACRE, CHELMSFORD, CM3 4EY

    ODS code F81674

    4.4 km

Main GP practices only; branch surgeries are excluded. Distances are straight-line. Contact the practice to check registration, services, opening hours and appointments.

Source acquired on 2026-09-05. Contains information from NHS England, licenced under the current version of the Open Government Licence.

Nearby transport

  • Old Bell Lane

    BCT · Rettendon

    0.1 miles
  • Old Bell Lane

    BCT · Rettendon

    0.2 miles
  • Mill Hill

    BCT · Rettendon

    0.3 miles
  • The Bell

    BCT · Rettendon

    0.3 miles
  • The Bell

    BCT · Rettendon

    0.3 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.

Flood risk

Environment Agency long-term indicators for the area around addresses in this postcode. They are not an assessment of any individual property and do not show current or forecast flooding.

High risk addresses
0
Medium risk addresses
0
Low risk addresses
1
Groundwater flood alert area
Unlikely

Source: Environment Agency flood-risk postcode search tool data, version 2026-06-18. Check the long-term risk for an individual area. © Environment Agency copyright and/or database right 2025. All rights reserved.

Evidence in context

Property market

The five-year median is £642,500 from 4 recorded sales in CM3 8EN. This is a recorded-sale statistic, not a current valuation.

The latest UK House Price Index average for Chelmsford is £383,103 in June 2026, down 1.2% year on year.

Schools

18 open schools are in scope, including 15 primary and 2 secondary schools. Rettendon Primary School is the nearest published school at 1.3 miles.

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

Recorded crime

36 published events cover 12 months, averaging 3 events per published month. The largest recorded category is Violence and sexual offences with 10 events.

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