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CM3 3BB

Boreham and The Leighs · Chelmsford · England

Updated September 2026

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Location overview

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Post town
Chelmsford
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 3BD 75 m
CM3 3QT 504 m
CM3 3BE 646 m
CM3 3NE 748 m
CM3 3BG 766 m
Complete postcode fields and official codes
Postcode
CM3 3BB
Status
Current
Introduced
1 January 1980
Terminated
Not published
Postcode area
CM
Postcode district
CM3
Postcode sector
CM3 3
Latitude
51.786328
Longitude
0.528558
British National Grid easting
574,499
British National Grid northing
212,764

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
E00109406
Lower layer super output area
Chelmsford 005B · E01021537
Middle layer super output area
Chelmsford 005 · E02004489

Postcode source versions

Explore CM3

Property

View all property records
3 recorded sales at this postcode
Address Date Price
1, Russell Green Cottages, Boreham, Chelmsford, CM3 3BB 2 September 2002 £270,000
Russell Green Bungalow, Russell Green, Boreham, Chelmsford, CM3 3BB 28 September 1999 £150,495
2, Russell Green Cottages, Boreham, Chelmsford, CM3 3BB 18 December 1998 £123,000

Schools

Within 5 km of this postcode

View all nearby schools
Open schools
13
Primary
8
Secondary
2

  1. New Hall School

    Other independent school

    2.7 km

  2. Boreham Primary School

    Community school

    3.2 km

  3. The Belsteads School

    Other independent special school

    3.2 km

Recorded crime

Within 1 mile of this postcode

View all nearby crime records
Published events
16
Months covered
12
Latest month
June 2026

Most recorded categories in this period

  • Other crime 4
  • Other theft 4
  • Burglary 3
  • Vehicle crime 2
  • Drugs 1

Census 2021

Population and age profile

Postcode residents
7
3 female, 4 male
Postcode households
3
Residents per household
2.3
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 0.1% of the sector's usual residents on Census Day. The age profile describes the wider CM3 3 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+
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%

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, coverage at January 2026, version 2026-01-v2. Contains Ofcom data licensed under the Open Government Licence v3.0.

GP practices

3

within 5 km straight-line

  • THE LAURELS SURGERY

    JUNIPER ROAD, BOREHAM, CHELMSFORD, CM3 3DX

    ODS code F81149

    3.3 km

  • LITTLE WALTHAM & GT NOTLEY SURGERY

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

    ODS code F81105

    3.5 km

  • NORTH CHELMSFORD NHS HCC

    2 WHITE HART LANE, CHELMSFORD, CM2 5EF

    ODS code Y02611

    4.2 km

Nearby transport

  • Beaulieu Rydes

    BCT · Beaulieu Park

    2.1 km

  • Beaulieu Rydes

    BCT · Beaulieu Park

    2.1 km

  • Remembrance Ave

    BCT · Beaulieu Park

    2.5 km

  • Remembrance Ave

    BCT · Beaulieu Park

    2.5 km

  • New Hall School

    BCT · Boreham

    2.7 km

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

Schools

13 open schools are in scope, including 8 primary and 2 secondary schools. New Hall School is the nearest published school at 2.7 km.

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

Recorded crime

16 published events cover 12 months, averaging 1 event per published month. The largest recorded category is Other crime with 4 events.

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