CM23 3EN

Bishop's Stortford South · East Hertfordshire · England

Updated September 2026

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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 4AB 88 m
CM23 4AA 92 m
CM23 3ER 99 m
CM23 3EP 105 m
CM23 3HB 108 m
Complete postcode fields and official codes
Postcode
CM23 3EN
Status
Current
Introduced
1 January 1980
Terminated
Not published
Postcode area
CM
Postcode district
CM23
Postcode sector
CM23 3
Latitude
51.853897
Longitude
0.159252
British National Grid easting
548,807
British National Grid northing
219,459

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
E00119162
Lower layer super output area
East Hertfordshire 008E · E01023460
Middle layer super output area
East Hertfordshire 008 · E02004885

Postcode source versions

Explore CM23

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

Property

At this postcode

View all property records
9 recorded sales at this postcode
Address Date Price
40, Bishops Avenue, Bishop's Stortford, CM23 3EN 4 June 2021 £460,000
36, Bishops Avenue, Bishop's Stortford, CM23 3EN 7 November 2019 £425,000
34, Bishops Avenue, Bishop's Stortford, CM23 3EN 27 November 2015 £387,500

Schools

Within 3.1 miles of this postcode

View all nearby schools
Open schools
29
Primary
19
Secondary
7
  1. Thorley Hill Primary School

    Community school

    341 m
  2. Richard Whittington Primary School

    Academy converter

    505 m
  3. The Bishop's Stortford High School

    Foundation school

    609 m

Recorded crime

Within 1 mile of this postcode

View all nearby crime records
Published events
1,180
Months covered
12
Latest month
June 2026

Most recorded categories in this period

  • Violence and sexual offences 426
  • Anti social behaviour 250
  • Other theft 98
  • Criminal damage and arson 84
  • Shoplifting 69

Census 2021

Population and age profile

Postcode residents
14

8 female, 6 male

Postcode households
5
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 0.1% of the sector's usual residents on Census Day. The age profile describes the wider CM23 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

4

within 5 km

  • SOUTH STREET SURGERY

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

    ODS code E82074

    1.4 km

  • HELIX MEDICAL CENTRE

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

    ODS code E82654

    1.7 km

  • CHURCH STREET PARTNERSHIP

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

    ODS code E82067

    1.8 km

  • CENTRAL SURGERY

    BELL STREET, SAWBRIDGEWORTH, CM21 9AQ

    ODS code E82100

    4.7 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

  • Whittington Way

    BCT · Bishops Stortford

    0.1 miles
  • Whittington Way

    BCT · Bishops Stortford

    0.1 miles
  • Whittington Way

    BCT · Bishops Stortford

    0.2 miles
  • Play Area

    BCT · Thorley Park

    0.2 miles
  • Play Area

    BCT · Thorley Park

    0.2 miles

Relative deprivation

English Indices of Deprivation 2025 for East Hertfordshire 008E, 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

31,524 of 33,755

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

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

Schools

Published establishments

29 open schools are in scope, including 19 primary and 7 secondary schools. Thorley Hill Primary School is the nearest published school at 341 m.

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

Recorded crime

Published police records

1,180 published events cover 12 months, averaging 98.333 events per published month. The largest recorded category is Violence and sexual offences with 426 events.

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