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CM23 4AU

Sawbridgeworth · East Hertfordshire · England

Updated September 2026

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Location overview

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

Nearby postcodes

Nearby postcode distances
Postcode Distance
CM23 4AX 258 m
CM23 4RE 336 m
CM22 7SE 361 m
CM23 4AT 411 m
CM22 7SQ 435 m
Complete postcode fields and official codes
Postcode
CM23 4AU
Status
Current
Introduced
1 January 1980
Terminated
Not published
Postcode area
CM
Postcode district
CM23
Postcode sector
CM23 4
Latitude
51.839745
Longitude
0.157661
British National Grid easting
548,744
British National Grid northing
217,882

Statistical and administrative geographies

Country
England · E92000001
Region
East of England · E12000006
Local authority district
East Hertfordshire · E07000242
Electoral ward
Sawbridgeworth · E05015373
Parish or community
E04004746
Westminster constituency
Hertford and Stortford · E14001283
Output area
E00119371
Lower layer super output area
East Hertfordshire 011A · E01023499
Middle layer super output area
East Hertfordshire 011 · E02004888

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
Madalenes, London Road, Spellbrook, Bishop's Stortford, CM23 4AU 22 December 2023 £1,185,000
Dell View, London Road, Spellbrook, Bishop's Stortford, CM23 4AU 22 September 2023 £490,000
Draycott, London Road, Spellbrook, Bishop's Stortford, CM23 4AU 2 May 2023 £338,500

Schools

Within 3.1 miles of this postcode

View all nearby schools
Open schools
31
Primary
20
Secondary
6

  1. Spellbrook CofE Primary School

    Voluntary controlled school

    621 m

  2. The Bishop's Stortford High School

    Foundation school

    1.1 km

  3. Little Hallingbury Church of England Voluntary Aided Primary School

    Voluntary aided school

    1.5 km

Recorded crime

Within 1 mile of this postcode

View all nearby crime records
Published events
223
Months covered
12
Latest month
June 2026

Most recorded categories in this period

  • Violence and sexual offences 95
  • Anti social behaviour 36
  • Criminal damage and arson 20
  • Vehicle crime 15
  • Burglary 13

Census 2021

Population and age profile

Postcode residents
65

34 female, 31 male

Postcode households
25
Residents per household
2.6
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

This postcode contained 0.5% of the sector's usual residents on Census Day. The age profile describes the wider CM23 4 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+
88.2%
Ultrafast, 100 Mbit/s+
41.2%
Ultrafast, 300 Mbit/s+
41.2%
Gigabit-capable
41.2%
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

6

within 5 km

  • SOUTH STREET SURGERY

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

    ODS code E82074

    3.0 km

  • HELIX MEDICAL CENTRE

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

    ODS code E82654

    3.1 km

  • CENTRAL SURGERY

    BELL STREET, SAWBRIDGEWORTH, CM21 9AQ

    ODS code E82100

    3.1 km

  • CHURCH STREET PARTNERSHIP

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

    ODS code E82067

    3.4 km

  • GARDENS AND JACOBS MEDICAL PARTNERSHIP

    JACOBS & GARDENS NEUROLOGICAL CTRS, HIGH WYCH ROAD, SAWBRIDGEWORTH, CM21 0HH

    ODS code Y01924

    4.1 km

  • THE EDEN SURGERIES

    BROOMFIELDS, HATFIELD HEATH, BISHOPS STORTFORD, CM22 7EH

    ODS code F81004

    4.3 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

  • Spellbrook Lane

    BCT · Spellbrook

    0.0 miles

  • Thorley Wash Grange

    BCT · Spellbrook

    0.1 miles

  • Spellbrook Lane

    BCT · Spellbrook

    0.1 miles

  • Thorley Wash Grange

    BCT · Spellbrook

    0.2 miles

  • High School

    BCT · Thorley Park

    0.5 miles

Relative deprivation

English Indices of Deprivation 2025 for East Hertfordshire 011A, 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

5 of 10

Overall England rank

15,962 of 33,755

Income
4 of 10
Employment
4 of 10
Education and skills
4 of 10
Health and disability
7 of 10
Crime
4 of 10
Housing and services
8 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
2
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 £490,000 from 11 recorded sales in CM23 4AU. 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

31 open schools are in scope, including 20 primary and 6 secondary schools. Spellbrook CofE Primary School is the nearest published school at 621 m.

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

Recorded crime

Published police records

223 published events cover 12 months, averaging 18.583 events per published month. The largest recorded category is Violence and sexual offences with 95 events.

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