CM23 4SU

Bishop's Stortford South · 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 4

Nearby postcodes

Nearby postcode distances
Postcode Distance
CM23 4SW 33 m
CM23 4ST 53 m
CM23 4SH 57 m
CM23 4SF 89 m
CM23 4SL 89 m
Complete postcode fields and official codes
Postcode
CM23 4SU
Status
Current
Introduced
1 February 2025
Terminated
Not published
Postcode area
CM
Postcode district
CM23
Postcode sector
CM23 4
Latitude
51.850686
Longitude
0.156863
British National Grid easting
548,653
British National Grid northing
219,097

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
E00119165
Lower layer super output area
East Hertfordshire 008E · E01023460
Middle layer super output area
East Hertfordshire 008 · E02004885

Postcode source versions

Explore CM23

1 recorded sale at this postcode
Address Date Price
2, Berlyn Close, Bishop's Stortford, CM23 4SU 28 February 2024 £1,092,092

Schools

Within 3.1 miles of this postcode

View all nearby schools
Open schools
29
Primary
19
Secondary
7
  1. The Bishop's Stortford High School

    Foundation school

    246 m
  2. Richard Whittington Primary School

    Academy converter

    689 m
  3. Thorley Hill Primary School

    Community school

    729 m

Recorded crime

Within 1 mile of this postcode

View all nearby crime records
Published events
738
Months covered
12
Latest month
June 2026

Most recorded categories in this period

  • Violence and sexual offences 252
  • Anti social behaviour 150
  • Other theft 74
  • Criminal damage and arson 54
  • Shoplifting 52

Census 2021

Population and age profile

Postcode residents
Not supplied
Postcode households
Not supplied
Residents per household
Not available
CM23 4 residents
12,428

Age bands in CM23 4

Wider postcode sector
Age 0 to 14
17.9%

2,319 residents

Age 15 to 24
11.3%

1,456 residents

Age 25 to 44
21.3%

2,759 residents

Age 45 to 64
33.3%

4,302 residents

Age 65 and over
16.2%

2,088 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.

GP practices

4

within 5 km

  • SOUTH STREET SURGERY

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

    ODS code E82074

    1.8 km

  • HELIX MEDICAL CENTRE

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

    ODS code E82654

    2.0 km

  • CHURCH STREET PARTNERSHIP

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

    ODS code E82067

    2.2 km

  • CENTRAL SURGERY

    BELL STREET, SAWBRIDGEWORTH, CM21 9AQ

    ODS code E82100

    4.3 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

  • Play Area

    BCT · Thorley Park

    0.1 miles
  • Play Area

    BCT · Thorley Park

    0.1 miles
  • Pynchbek

    BCT · Thorley Park

    0.2 miles
  • Whittington Way

    BCT · Bishops Stortford

    0.2 miles
  • Pynchbek

    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.

Evidence in context

Property market

The five-year median is £1,092,092 from 1 recorded sale in CM23 4SU. This is a recorded-sale statistic, not a current valuation.

The latest UK House Price Index average for East Hertfordshire is £460,778 in June 2026, up 4.0% year on year.

Schools

29 open schools are in scope, including 19 primary and 7 secondary schools. The Bishop's Stortford High School is the nearest published school at 246 m.

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

Recorded crime

738 published events cover 12 months, averaging 61.5 events per published month. The largest recorded category is Violence and sexual offences with 252 events.

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