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CM23 4LY

Bishop's Stortford Thorley Manor · 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 Thorley Manor
Local authority
East Hertfordshire
Constituency
Hertford and Stortford
Postcode district
CM23
Postcode sector
CM23 4

Nearby postcodes

Nearby postcode distances
Postcode Distance
CM23 4QA 70 m
CM23 4LZ 96 m
CM23 4LL 110 m
CM23 4LH 117 m
CM23 4LT 117 m
Complete postcode fields and official codes
Postcode
CM23 4LY
Status
Current
Introduced
1 January 1995
Terminated
Not published
Postcode area
CM
Postcode district
CM23
Postcode sector
CM23 4
Latitude
51.866502
Longitude
0.141684
British National Grid easting
547,556
British National Grid northing
220,825

Statistical and administrative geographies

Country
England · E92000001
Region
East of England · E12000006
Local authority district
East Hertfordshire · E07000242
Electoral ward
Bishop's Stortford Thorley Manor · E05015360
Parish or community
E04013541
Westminster constituency
Hertford and Stortford · E14001283
Output area
E00119140
Lower layer super output area
East Hertfordshire 003A · E01023452
Middle layer super output area
East Hertfordshire 003 · E02004880

Postcode source versions

Explore CM23

Property

View all property records
13 recorded sales at this postcode
Address Date Price
1, Aster Close, Bishop's Stortford, CM23 4LY 20 December 2013 £451,500
2, Aster Close, Bishop's Stortford, CM23 4LY 13 December 2012 £385,000
9, Aster Close, Bishop's Stortford, CM23 4LY 22 October 2010 £415,000

Schools

Within 3.1 miles of this postcode

View all nearby schools
Open schools
27
Primary
18
Secondary
6

  1. Hillmead Primary School

    Community school

    466 m

  2. St Joseph's Catholic Primary School B/S

    Academy converter

    541 m

  3. Bishop's Stortford College

    Other independent school

    710 m

Recorded crime

Within 1 mile of this postcode

View all nearby crime records
Published events
1,995
Months covered
12
Latest month
June 2026

Most recorded categories in this period

  • Violence and sexual offences 679
  • Anti social behaviour 369
  • Shoplifting 278
  • Other theft 155
  • Criminal damage and arson 111

Census 2021

Population and age profile

Postcode residents
26

13 female, 13 male

Postcode households
9
Residents per household
2.9
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 0.2% of the sector's usual residents on Census Day. The age profile describes the wider CM23 4 sector, not people in this individual postcode.

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.

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%

Predicted coverage, not measured speeds. Check availability for your address with a provider. Postcode-level full-fibre figures are not published in this release.

Source: Ofcom Connected Nations Spring 2026, version 2026-01-v2. Contains Ofcom data licensed under the Open Government Licence v3.0.

GP practices

3

within 5 km

  • CHURCH STREET PARTNERSHIP

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

    ODS code E82067

    1.2 km

  • SOUTH STREET SURGERY

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

    ODS code E82074

    1.3 km

  • HELIX MEDICAL CENTRE

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

    ODS code E82654

    2.3 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 2026-09-03. Contains information from NHS England, licenced under the current version of the Open Government Licence.

Nearby transport

  • Kestrel Gardens

    BCT · Bishops Park

    0.1 miles

  • Kestrel Gardens

    BCT · Bishops Park

    0.1 miles

  • Clover Avenue

    BCT · Bishops Park

    0.3 miles

  • The Barons

    BCT · Thorley Park

    0.3 miles

  • The Coppice

    BCT · Thorley

    0.3 miles

Relative deprivation

English Indices of Deprivation 2025 for East Hertfordshire 003A, 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

33,456 of 33,755

Income
10 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
8 of 10
Living environment
10 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
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

Schools

27 open schools are in scope, including 18 primary and 6 secondary schools. Hillmead Primary School is the nearest published school at 466 m.

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

Recorded crime

1,995 published events cover 12 months, averaging 166.25 events per published month. The largest recorded category is Violence and sexual offences with 679 events.

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