CM23 3NS

Bishop's Stortford Central · East Hertfordshire · England

Updated September 2026

Compare this postcode

Location overview

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Local authority
East Hertfordshire
Postcode district
CM23
Postcode sector
CM23 3

Nearby postcodes

Nearby postcode distances
Postcode Distance
CM23 3NA 61 m
CM23 3JS 63 m
CM23 3JN 105 m
CM23 3JU 117 m
CM23 3PJ 120 m
Complete postcode fields and official codes
Postcode
CM23 3NS
Status
Current
Introduced
1 January 1980
Terminated
Not published
Postcode area
CM
Postcode district
CM23
Postcode sector
CM23 3
Latitude
51.860811
Longitude
0.159801
British National Grid easting
548,822
British National Grid northing
220,229

Statistical and administrative geographies

Country
England · E92000001
Region
East of England · E12000006
Local authority district
East Hertfordshire · E07000242
Parish or community
E04013541
Westminster constituency
Hertford and Stortford · E14001283
Output area
E00119077
Lower layer super output area
East Hertfordshire 007B · E01023444
Middle layer super output area
East Hertfordshire 007 · E02004884

Postcode source versions

Explore CM23

10 recorded sales at this postcode
Address Date Price
5, Salisbury Close, Bishop's Stortford, CM23 3NS 27 March 2020 £378,000
4, Salisbury Close, Bishop's Stortford, CM23 3NS 3 August 2018 £387,500
6, Salisbury Close, Bishop's Stortford, CM23 3NS 25 January 2018 £464,250

Schools

Within 3.1 miles of this postcode

View all nearby schools
Open schools
31
Primary
20
Secondary
8
  1. Thorley Hill Primary School

    Community school

    436 m
  2. Richard Whittington Primary School

    Academy converter

    667 m
  3. St Michael's Church of England Primary School

    Voluntary aided school

    860 m

Recorded crime

Within 1 mile of this postcode

View all nearby crime records
Published events
2,275
Months covered
12
Latest month
June 2026

Most recorded categories in this period

  • Violence and sexual offences 848
  • Anti social behaviour 398
  • Shoplifting 271
  • Other theft 157
  • Criminal damage and arson 137

Census 2021

Population and age profile

Postcode residents
34

16 female, 18 male

Postcode households
12
Residents per household
2.8
CM23 3 residents
10,596

Age bands in CM23 3

Wider postcode sector
Age 0 to 14
17.3%

1,729 residents

Age 15 to 24
10.9%

1,092 residents

Age 25 to 44
32.8%

3,278 residents

Age 45 to 64
25.2%

2,514 residents

Age 65 and over
13.7%

1,370 residents

This postcode contained 0.3% of the sector's usual residents on Census Day. The age profile describes the wider CM23 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 Spring 2026, version 2026-01-v2. Contains Ofcom data licensed under the Open Government Licence v3.0.

GP practices

3

within 5 km

  • SOUTH STREET SURGERY

    83 SOUTH STREET, BISHOP'S STORTFORD, CM23 3AP

    ODS code E82074

    668 m

  • CHURCH STREET PARTNERSHIP

    30A CHURCH STREET, BISHOP'S STORTFORD, CM23 2LY

    ODS code E82067

    1.1 km

  • HELIX MEDICAL CENTRE

    HERTS AND ESSEX HOSPITAL, CAVELL DRIVE, BISHOP'S STORTFORD, CM23 5JH

    ODS code E82654

    1.1 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

  • Lower Park Crescent

    BCT · Thorley

    0.0 miles
  • Lower Park Crescent

    BCT · Thorley

    0.0 miles
  • Chesfield Close

    BCT · Thorley

    0.1 miles
  • Chesfield Close

    BCT · Thorley

    0.1 miles
  • Havers Lane

    BCT · Thorley

    0.1 miles

Relative deprivation

English Indices of Deprivation 2025 for East Hertfordshire 007B, 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

10 of 10

Overall England rank

31,519 of 33,755

Income
9 of 10
Employment
10 of 10
Education and skills
9 of 10
Health and disability
10 of 10
Crime
8 of 10
Housing and services
10 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
0
Medium risk addresses
0
Low risk addresses
3
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

31 open schools are in scope, including 20 primary and 8 secondary schools. Thorley Hill Primary School is the nearest published school at 436 m.

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

Recorded crime

2,275 published events cover 12 months, averaging 189.583 events per published month. The largest recorded category is Violence and sexual offences with 848 events.

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