CM23 3AT

Bishop's Stortford Central · 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 3FT 24 m
CM23 3AB 53 m
CM23 3RX 54 m
CM23 3SL 58 m
CM23 3AY 62 m
Complete postcode fields and official codes
Postcode
CM23 3AT
Status
Current
Introduced
1 January 1980
Terminated
Not published
Postcode area
CM
Postcode district
CM23
Postcode sector
CM23 3
Latitude
51.869178
Longitude
0.160086
British National Grid easting
548,814
British National Grid northing
221,160

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
E00119100
Lower layer super output area
East Hertfordshire 007G · E01035594
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
44 recorded sales at this postcode
Address Date Price
2, Nails Lane, Bishop's Stortford, CM23 3AT 26 June 2026 £240,000
10, South Street, Bishop's Stortford, CM23 3AT 11 November 2025 £1,210,000
28, South Street, Bishop's Stortford, CM23 3AT 10 July 2025 £482,500

Schools

Within 3.1 miles of this postcode

View all nearby schools
Open schools
30
Primary
20
Secondary
7
  1. White Trees Independent School

    Other independent special school

    194 m
  2. Windhill21

    Academy converter

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

    Voluntary aided school

    325 m

Recorded crime

Within 1 mile of this postcode

View all nearby crime records
Published events
2,290
Months covered
12
Latest month
June 2026

Most recorded categories in this period

  • Violence and sexual offences 879
  • Anti social behaviour 406
  • Shoplifting 248
  • Other theft 136
  • Criminal damage and arson 133

Census 2021

Population and age profile

Postcode residents
27

15 female, 12 male

Postcode households
12
Residents per household
2.3
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.

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+
90.9%
Ultrafast, 300 Mbit/s+
42.4%
Gigabit-capable
6.1%
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

  • CHURCH STREET PARTNERSHIP

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

    ODS code E82067

    156 m

  • SOUTH STREET SURGERY

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

    ODS code E82074

    276 m

  • HELIX MEDICAL CENTRE

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

    ODS code E82654

    1.1 km

  • PEACOCK SURGERY

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

    ODS code F81053

    4.6 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

  • Potter Street

    BCT · Bishops Stortford

    0.0 miles
  • Riverside

    BCT · Bishops Stortford

    0.1 miles
  • Holy Trinity Church

    BCT · Bishops Stortford

    0.1 miles
  • Church Street Surgery

    BCT · Bishops Stortford

    0.1 miles
  • Bridge Street

    BCT · Bishops Stortford

    0.2 miles

Relative deprivation

English Indices of Deprivation 2025 for East Hertfordshire 007G, 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

8 of 10

Overall England rank

25,485 of 33,755

Income
7 of 10
Employment
8 of 10
Education and skills
9 of 10
Health and disability
9 of 10
Crime
5 of 10
Housing and services
9 of 10
Living environment
3 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
21
Medium risk addresses
4
Low risk addresses
6
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.

Property market

Recorded sales

The five-year median is £371,250 from 4 recorded sales in CM23 3AT. 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

30 open schools are in scope, including 20 primary and 7 secondary schools. White Trees Independent School is the nearest published school at 194 m.

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

Recorded crime

Published police records

2,290 published events cover 12 months, averaging 190.833 events per published month. The largest recorded category is Violence and sexual offences with 879 events.

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