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CM23 3DY

Bishop's Stortford Central · 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 Central
Local authority
East Hertfordshire
Constituency
Hertford and Stortford
Postcode district
CM23
Postcode sector
CM23 3

Nearby postcodes

Nearby postcode distances
Postcode Distance
CM23 3FS 87 m
CM23 3FX 92 m
CM23 3FR 100 m
CM23 3DW 138 m
CM23 3DA 151 m
Complete postcode fields and official codes
Postcode
CM23 3DY
Status
Current
Introduced
1 October 1985
Terminated
Not published
Postcode area
CM
Postcode district
CM23
Postcode sector
CM23 3
Latitude
51.864480
Longitude
0.165221
British National Grid easting
549,183
British National Grid northing
220,648

Statistical and administrative geographies

Country
England · E92000001
Region
East of England · E12000006
Local authority district
East Hertfordshire · E07000242
Electoral ward
Bishop's Stortford Central · E05015356
Parish or community
E04013541
Westminster constituency
Hertford and Stortford · E14001283
Output area
E00119084
Lower layer super output area
East Hertfordshire 007H · E01035595
Middle layer super output area
East Hertfordshire 007 · E02004884

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
4 recorded sales at this postcode
Address Date Price
Unit 9, Southmill Trading Centre, Bishop's Stortford, CM23 3DY 6 June 2019 £250,000
Unit 12-13, Southmill Trading Centre, Bishop's Stortford, CM23 3DY 31 May 2019 £240,000
Unit 12-13, Southmill Trading Centre, Bishop's Stortford, CM23 3DY 29 June 2018 £178,000

Schools

Within 3.1 miles of this postcode

View all nearby schools
Open schools
30
Primary
19
Secondary
8

  1. The Hertfordshire & Essex High School and Science College

    Academy converter

    546 m

  2. Thorn Grove Primary School

    Community school

    581 m

  3. White Trees Independent School

    Other independent special school

    735 m

Recorded crime

Within 1 mile of this postcode

View all nearby crime records
Published events
2,237
Months covered
12
Latest month
June 2026

Most recorded categories in this period

  • Violence and sexual offences 859
  • Anti social behaviour 384
  • Shoplifting 248
  • Criminal damage and arson 143
  • Other theft 133

Census 2021

Population and age profile

Postcode residents
Not supplied
Postcode households
Not supplied
Residents per household
Not available
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

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

    385 m

  • HELIX MEDICAL CENTRE

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

    ODS code E82654

    639 m

  • CHURCH STREET PARTNERSHIP

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

    ODS code E82067

    786 m

  • PEACOCK SURGERY

    1ST FLOOR CASTLE MALTINGS, LOWER STREET, STANSTED, STANSTED, CM24 8XG

    ODS code F81053

    4.8 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

  • South Mill Arts

    BCT · Bishops Stortford

    0.1 miles

  • Interchange

    BCS · Bishops Stortford

    0.1 miles

  • South Mill Arts

    BCT · Bishops Stortford

    0.1 miles

  • Brazier's Quay

    BCT · Bishops Stortford

    0.1 miles

  • Pryors Close

    BCT · Bishops Stortford

    0.1 miles

Relative deprivation

English Indices of Deprivation 2025 for East Hertfordshire 007H, 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

22,291 of 33,755

Income
6 of 10
Employment
8 of 10
Education and skills
7 of 10
Health and disability
7 of 10
Crime
3 of 10
Housing and services
9 of 10
Living environment
5 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
14
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

30 open schools are in scope, including 19 primary and 8 secondary schools. The Hertfordshire & Essex High School and Science College is the nearest published school at 546 m.

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

Recorded crime

Published police records

2,237 published events cover 12 months, averaging 186.417 events per published month. The largest recorded category is Violence and sexual offences with 859 events.

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