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CM23 4SN

Bishop's Stortford South · East Hertfordshire · England

Updated September 2026

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Location overview

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Post town
Bishop's Stortford
Ward
Bishop's Stortford South
Local authority
East Hertfordshire
Constituency
Hertford and Stortford
Postcode district
CM23
Postcode sector
CM23 4

Nearby postcodes

Nearby postcode distances
Postcode Distance
CM23 4SL 44 m
CM23 4SP 48 m
CM23 4RT 54 m
CM23 4RG 70 m
CM23 4RH 75 m
Complete postcode fields and official codes
Postcode
CM23 4SN
Status
Current
Introduced
1 September 2025
Terminated
Not published
Postcode area
CM
Postcode district
CM23
Postcode sector
CM23 4
Latitude
51.851443
Longitude
0.158206
British National Grid easting
548,743
British National Grid northing
219,184

Statistical and administrative geographies

Country
England · E92000001
Region
East of England · E12000006
Local authority district
East Hertfordshire · E07000242
Electoral ward
Bishop's Stortford South · E05015359
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

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

Property

At this postcode

View all property records
1 recorded sale at this postcode
Address Date Price
Arrowsmith Court, 1, Russell Way, Bishop's Stortford, CM23 4SN 2 August 2024 £960,818

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

    369 m

  2. Thorley Hill Primary School

    Community school

    623 m

  3. Richard Whittington Primary School

    Academy converter

    655 m

Recorded crime

Within 1 mile of this postcode

View all nearby crime records
Published events
790
Months covered
12
Latest month
June 2026

Most recorded categories in this period

  • Violence and sexual offences 276
  • Anti social behaviour 159
  • Other theft 81
  • Criminal damage and arson 57
  • 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

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.

NHS ODS

GP practices

4

within 5 km

  • SOUTH STREET SURGERY

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

    ODS code E82074

    1.7 km

  • HELIX MEDICAL CENTRE

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

    ODS code E82654

    1.9 km

  • CHURCH STREET PARTNERSHIP

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

    ODS code E82067

    2.1 km

  • CENTRAL SURGERY

    BELL STREET, SAWBRIDGEWORTH, CM21 9AQ

    ODS code E82100

    4.4 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

  • Play Area

    BCT · Thorley Park

    0.0 miles

  • Play Area

    BCT · Thorley Park

    0.0 miles

  • Whittington Way

    BCT · Bishops Stortford

    0.1 miles

  • Whittington Way

    BCT · Bishops Stortford

    0.1 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

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

Property market

Recorded sales

The five-year median is £960,818 from 1 recorded sale in CM23 4SN. 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

Published establishments

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 369 m.

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

Recorded crime

Published police records

790 published events cover 12 months, averaging 65.833 events per published month. The largest recorded category is Violence and sexual offences with 276 events.

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