CM11 1JZ

South Hanningfield, Stock and Margaretting · Chelmsford · England

Updated September 2026

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Location overview

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Post town
Billericay
Local authority
Chelmsford
Constituency
Maldon
Postcode district
CM11
Postcode sector
CM11 1

Nearby postcodes

Nearby postcode distances
Postcode Distance
SS11 7PF 427 m
SS11 7PE 431 m
CM11 1LA 508 m
SS11 7PD 561 m
CM11 1LB 695 m
Complete postcode fields and official codes
Postcode
CM11 1JZ
Status
Current
Introduced
1 January 1980
Terminated
Not published
Postcode area
CM
Postcode district
CM11
Postcode sector
CM11 1
Latitude
51.644081
Longitude
0.501655
British National Grid easting
573,186
British National Grid northing
196,883

Statistical and administrative geographies

Country
England · E92000001
Region
East of England · E12000006
Local authority district
Chelmsford · E07000070
Parish or community
E04003971
Westminster constituency
Maldon · E14001351
Output area
E00109740
Lower layer super output area
Chelmsford 018G · E01034086
Middle layer super output area
Chelmsford 018 · E02004502

Postcode source versions

Explore CM11

7 recorded sales at this postcode
Address Date Price
Colwyn, Hawkswood Road, Downham, Billericay, CM11 1JZ 15 April 2021 £913,000
Charlyn, Hawkswood Road, Downham, Billericay, CM11 1JZ 11 December 2009 £235,000
Nettlebed, Hawkswood Road, Downham, Billericay, CM11 1JZ 25 July 2007 £510,500

Schools

Within 3.1 miles of this postcode

View all nearby schools
Open schools
20
Primary
14
Secondary
3
  1. Downham Church of England Voluntary Controlled Primary School

    Academy converter

    2.2 km
  2. Children's Support Service

    Pupil referral unit

    2.8 km
  3. Runwell Community Primary School

    Academy converter

    2.8 km

Recorded crime

Within 1 mile of this postcode

View all nearby crime records
Published events
31
Months covered
12
Latest month
June 2026

Most recorded categories in this period

  • Anti social behaviour 10
  • Violence and sexual offences 7
  • Criminal damage and arson 4
  • Burglary 3
  • Public order 3

Census 2021

Population and age profile

Postcode residents
44

23 female, 21 male

Postcode households
15
Residents per household
2.9
CM11 1 residents
7,416

Age bands in CM11 1

Wider postcode sector
Age 0 to 14
17.3%

1,337 residents

Age 15 to 24
10.7%

826 residents

Age 25 to 44
19.4%

1,499 residents

Age 45 to 64
30.5%

2,354 residents

Age 65 and over
21.9%

1,691 residents

This postcode contained 0.6% of the sector's usual residents on Census Day. The age profile describes the wider CM11 1 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+
94.1%
Ultrafast, 300 Mbit/s+
94.1%
Gigabit-capable
94.1%
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

3

within 5 km

  • SWANWOOD PARTNERSHIP

    2 MARKET AVENUE, WICKFORD, SS12 0AG

    ODS code F81732

    3.6 km

  • LONDON ROAD SURGERY

    MARKET HOUSE, MARKET ROAD, WICKFORD, SS12 0AA

    ODS code F81041

    3.7 km

  • STOCK SURGERY

    COMMON ROAD, STOCK, INGATESTONE, CM4 9NF

    ODS code F81040

    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

  • Sudbury Road

    BCT · Brock Hill

    0.3 miles
  • Sudbury Road

    BCT · Brock Hill

    0.3 miles
  • Visitor Centre

    BCT · Brock Hill

    0.4 miles
  • Visitor Centre

    BCT · Brock Hill

    0.5 miles
  • Galleons

    BCT · Brock Hill

    0.6 miles

Relative deprivation

English Indices of Deprivation 2025 for Chelmsford 018G, 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

26,746 of 33,755

Income
10 of 10
Employment
10 of 10
Education and skills
7 of 10
Health and disability
10 of 10
Crime
5 of 10
Housing and services
2 of 10
Living environment
6 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
1
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

Schools

20 open schools are in scope, including 14 primary and 3 secondary schools. Downham Church of England Voluntary Controlled 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

31 published events cover 12 months, averaging 2.583 events per published month. The largest recorded category is Anti social behaviour with 10 events.

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