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CM23 1BY

Stort Valley · Uttlesford · England

Updated September 2026

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Location overview

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Ward
Stort Valley
Local authority
Uttlesford
Constituency
North West Essex
Postcode district
CM23
Postcode sector
CM23 1

Nearby postcodes

Nearby postcode distances
Postcode Distance
CM23 1AZ 415 m
CM23 1AA 709 m
CM23 1BA 712 m
CM23 1BB 861 m
CM23 1BD 888 m
Complete postcode fields and official codes
Postcode
CM23 1BY
Status
Terminated
Introduced
1 September 1991
Terminated
1 May 1994
Postcode area
CM
Postcode district
CM23
Postcode sector
CM23 1
Latitude
51.936426
Longitude
0.141291
British National Grid easting
547,300
British National Grid northing
228,600

Statistical and administrative geographies

Country
England · E92000001
Region
East of England · E12000006
Local authority district
Uttlesford · E07000077
Electoral ward
Stort Valley · E05009928
Parish or community
E04004119
Westminster constituency
North West Essex · E14001402
Output area
E00112235
Lower layer super output area
Uttlesford 005G · E01022089
Middle layer super output area
Uttlesford 005 · E02004595

Postcode source versions

Explore CM23

Schools

Within 3.1 miles of this postcode

View all nearby schools
Open schools
6
Primary
6
Secondary
0

  1. Manuden Primary School

    Community school

    2.8 km

  2. Clavering Primary School

    Community school

    3.0 km

  3. Farnham Church of England Primary School

    Voluntary aided school

    3.8 km

Recorded crime

Within 1 mile of this postcode

View all nearby crime records
Published events
10
Months covered
12
Latest month
June 2026

Most recorded categories in this period

  • Violence and sexual offences 5
  • Other theft 3
  • Burglary 2

Census 2021

Population and age profile

Postcode residents
Not supplied
Postcode households
Not supplied
Residents per household
Not available
CM23 1 residents
2,097

Age bands in CM23 1

Wider postcode sector
Age 0 to 14
20.7%

471 residents

Age 15 to 24
9.3%

212 residents

Age 25 to 44
23.3%

530 residents

Age 45 to 64
29.2%

662 residents

Age 65 and over
17.4%

396 residents

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.

Nearby transport

  • Sawpit Lane

    BCT · Berden

    0.6 miles

  • Sawpit Lane

    BCT · Berden

    0.6 miles

  • St Nicholas Field

    BCT · Berden

    0.8 miles

  • St Nicholas Field

    BCT · Berden

    0.8 miles

  • Bonneting Lane

    BCT · Berden

    0.8 miles

Relative deprivation

English Indices of Deprivation 2025 for Uttlesford 005G, 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

7 of 10

Overall England rank

21,469 of 33,755

Income
9 of 10
Employment
9 of 10
Education and skills
8 of 10
Health and disability
10 of 10
Crime
9 of 10
Housing and services
1 of 10
Living environment
2 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.

Evidence in context

Schools

6 open schools are in scope, including 6 primary and 0 secondary schools. Manuden Primary School is the nearest published school at 1.7 miles.

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

Recorded crime

10 published events cover 12 months, averaging 0.833 events per published month. The largest recorded category is Violence and sexual offences with 5 events.

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