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CM3 8DX

Rettendon and Runwell · Chelmsford · England

Updated September 2026

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Location overview

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Post town
Chelmsford
Ward
Rettendon and Runwell
Local authority
Chelmsford
Constituency
Maldon
Postcode district
CM3
Postcode sector
CM3 8

Nearby postcodes

Nearby postcode distances
Postcode Distance
CM3 8EU 79 m
CM3 8DS 111 m
CM3 8DT 144 m
CM3 8DU 148 m
CM3 8DP 164 m
Complete postcode fields and official codes
Postcode
CM3 8DX
Status
Current
Introduced
1 January 1992
Terminated
Not published
Postcode area
CM
Postcode district
CM3
Postcode sector
CM3 8
Latitude
51.636856
Longitude
0.559805
British National Grid easting
577,237
British National Grid northing
196,219

Statistical and administrative geographies

Country
England · E92000001
Region
East of England · E12000006
Local authority district
Chelmsford · E07000070
Electoral ward
Rettendon and Runwell · E05004110
Parish or community
E04003967
Westminster constituency
Maldon · E14001351
Output area
E00109693
Lower layer super output area
Chelmsford 021E · E01034088
Middle layer super output area
Chelmsford 021 · E02004505

Postcode source versions

Explore CM3

Use the wider postcode district to compare the same evidence across more locations.

Property

At this postcode

View all property records
21 recorded sales at this postcode
Address Date Price
23, Southview Road, Rettendon Common, Chelmsford, CM3 8DX 4 September 2024 £220,000
33, Southview Road, Rettendon Common, Chelmsford, CM3 8DX 21 July 2022 £326,250
6, Southview Road, Rettendon Common, Chelmsford, CM3 8DX 24 June 2022 £280,000

Schools

Within 3.1 miles of this postcode

View all nearby schools
Open schools
25
Primary
21
Secondary
2

  1. Rettendon Primary School

    Academy converter

    159 m

  2. St Luke's Park Primary School

    Free schools

    1.2 km

  3. Hilltop Junior School

    Academy sponsor led

    2.7 km

Recorded crime

Within 1 mile of this postcode

View all nearby crime records
Published events
241
Months covered
12
Latest month
June 2026

Most recorded categories in this period

  • Violence and sexual offences 118
  • Vehicle crime 23
  • Anti social behaviour 19
  • Other theft 17
  • Public order 15

Census 2021

Population and age profile

Postcode residents
85

44 female, 41 male

Postcode households
38
Residents per household
2.2
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 2.9% of the sector's usual residents on Census Day. The age profile describes the wider CM3 8 sector, not people in this individual postcode.

How to read these estimates
The standard postcode headcounts and the commissioned age table are separate ONS outputs. Small counts are disclosure-controlled, and totals can differ slightly between tables. Coverage is England and Wales only.

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+
95%
Ultrafast, 300 Mbit/s+
95%
Gigabit-capable
95%
Unable to receive decent fixed or FWA broadband
0%
Next Generation Access
100%
Decent broadband available from fixed wireless
0%
Coverage is a modelled postcode-level snapshot, not a speed test or a guarantee for a named property. Check availability with providers before making a decision. Ofcom does not publish postcode-level full-fibre coverage in this release for commercial-confidentiality reasons.

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

NHS ODS

GP practices

6

within 5 km

  • KINGSWAY SURGERY

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

    ODS code F81170

    3.6 km

  • SWANWOOD PARTNERSHIP

    2 MARKET AVENUE, WICKFORD, SS12 0AG

    ODS code F81732

    3.8 km

  • LONDON ROAD SURGERY

    MARKET HOUSE, MARKET ROAD, WICKFORD, SS12 0AA

    ODS code F81041

    3.9 km

  • CONNER & PARTNERS

    175 FERRY ROAD, HULLBRIDGE, HOCKLEY, SS5 6JH

    ODS code F81061

    3.9 km

  • ROBERT FREW MEDICAL CENTRE

    SILVA ISLAND WAY, WICKFORD, SS12 9NR

    ODS code F81036

    4.2 km

  • DOWNHALL PARK SURGERY

    49 RAWRETH LANE, RAYLEIGH, SS6 9QD

    ODS code F81704

    4.9 km

Organisation records, not service availability
These are records marked active in NHS England's Organisation Data Service for England and Wales. Branch surgeries, pharmacies, dentists and hospitals are not included. They do not confirm patient registration, services, opening hours, appointments or care quality. Distances are straight-line from the postcode point.

Source acquired on 2026-09-03. Contains information from NHS England, licenced under the current version of the Open Government Licence.

Nearby transport

  • School

    BCT · Rettendon

    0.1 miles

  • School

    BCT · Rettendon

    0.1 miles

  • White House Farm

    BCT · Rettendon

    0.4 miles

  • White House Farm

    BCT · Rettendon

    0.5 miles

  • The Turnpike north

    BCT · Rettendon

    0.5 miles

Relative deprivation

English Indices of Deprivation 2025 for Chelmsford 021E, 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

14,682 of 33,755

Income
4 of 10
Employment
4 of 10
Education and skills
5 of 10
Health and disability
8 of 10
Crime
5 of 10
Housing and services
2 of 10
Living environment
8 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
0
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

A factual reading of the data in this report's scope. It is not a location score or a recommendation.

Property market

Recorded sales

The five-year median is £280,000 from 3 recorded sales in CM3 8DX. 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

Published establishments

25 open schools are in scope, including 21 primary and 2 secondary schools. Rettendon Primary School is the nearest published school at 159 m.

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

Recorded crime

Published police records

241 published events cover 12 months, averaging 20.083 events per published month. The largest recorded category is Violence and sexual offences with 118 events.

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