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CM3 3AF

Boreham and The Leighs · Chelmsford · England

Updated September 2026

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Location overview

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Ward
Boreham and The Leighs
Local authority
Chelmsford
Constituency
North West Essex
Postcode district
CM3
Postcode sector
CM3 3

Nearby postcodes

Nearby postcode distances
Postcode Distance
CM3 3JE 36 m
CM3 3AB 43 m
CM3 3AE 67 m
CM3 3JD 96 m
CM3 3FT 122 m
Complete postcode fields and official codes
Postcode
CM3 3AF
Status
Current
Introduced
1 January 1980
Terminated
Not published
Postcode area
CM
Postcode district
CM3
Postcode sector
CM3 3
Latitude
51.764384
Longitude
0.548549
British National Grid easting
575,963
British National Grid northing
210,372

Statistical and administrative geographies

Country
England · E92000001
Region
East of England · E12000006
Local authority district
Chelmsford · E07000070
Electoral ward
Boreham and The Leighs · E05004097
Parish or community
E04013166
Westminster constituency
North West Essex · E14001402
Output area
E00109408
Lower layer super output area
Chelmsford 005B · E01021537
Middle layer super output area
Chelmsford 005 · E02004489

Postcode source versions

Explore CM3

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

Schools

Within 3.1 miles of this postcode

View all nearby schools
Open schools
17
Primary
11
Secondary
1

  1. Boreham Primary School

    Community school

    642 m

  2. New Hall School

    Other independent school

    2.6 km

  3. The Beaulieu Park School

    Free schools

    3.5 km

Recorded crime

Within 1 mile of this postcode

View all nearby crime records
Published events
207
Months covered
12
Latest month
June 2026

Most recorded categories in this period

  • Violence and sexual offences 103
  • Criminal damage and arson 19
  • Vehicle crime 18
  • Burglary 13
  • Public order 12

Census 2021

Population and age profile

Postcode residents
1

0 female, 1 male

Postcode households
1
Residents per household
1.0
CM3 3 residents
6,831

Age bands in CM3 3

Wider postcode sector
Age 0 to 14
20.2%

1,287 residents

Age 15 to 24
10.8%

689 residents

Age 25 to 44
26.5%

1,692 residents

Age 45 to 64
25.1%

1,598 residents

Age 65 and over
17.4%

1,108 residents

This postcode contained 0% of the sector's usual residents on Census Day. The age profile describes the wider CM3 3 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+
100%
Ultrafast, 300 Mbit/s+
100%
Gigabit-capable
100%
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

3

within 5 km

  • THE LAURELS SURGERY

    JUNIPER ROAD, BOREHAM, CHELMSFORD, CM3 3DX

    ODS code F81149

    718 m

  • NORTH CHELMSFORD NHS HCC

    2 WHITE HART LANE, CHELMSFORD, CM2 5EF

    ODS code Y02611

    3.0 km

  • CHELMER VILLAGE SURGERY

    ASHTON PLACE, CHELMER VILLAGE, CHELMSFORD, CM2 6ST

    ODS code F81665

    4.4 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

  • Waltham Rd

    BCT · Boreham

    0.1 miles

  • Recreation Ground

    BCT · Boreham

    0.1 miles

  • Recreation Ground

    BCT · Boreham

    0.1 miles

  • Waltham Rd

    BCT · Boreham

    0.2 miles

  • Plantation Road

    BCT · Boreham

    0.2 miles

Relative deprivation

English Indices of Deprivation 2025 for Chelmsford 005B, 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

8 of 10

Overall England rank

24,190 of 33,755

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

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

Schools

Published establishments

17 open schools are in scope, including 11 primary and 1 secondary schools. Boreham Primary School is the nearest published school at 642 m.

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

Recorded crime

Published police records

207 published events cover 12 months, averaging 17.25 events per published month. The largest recorded category is Violence and sexual offences with 103 events.

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