CM23 3GP

Bishop's Stortford North · East Hertfordshire · England

Updated September 2026

Compare this postcode

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 3GN 0 m
CM23 3AJ 57 m
CM23 3AG 71 m
CM23 3BJ 73 m
CM23 3AE 101 m
Complete postcode fields and official codes
Postcode
CM23 3GP
Status
Current
Introduced
1 June 2009
Terminated
Not published
Postcode area
CM
Postcode district
CM23
Postcode sector
CM23 3
Latitude
51.868467
Longitude
0.162071
British National Grid easting
548,953
British National Grid northing
221,085

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
E00168897
Lower layer super output area
East Hertfordshire 004E · E01035591
Middle layer super output area
East Hertfordshire 004 · E02004881

Postcode source versions

Explore CM23

88 recorded sales at this postcode
Address Date Price
Riverside Wharf, Flat 104, Riverside, Bishop's Stortford, CM23 3GP 21 November 2025 £180,000
Riverside Wharf, Flat 102, Riverside, Bishop's Stortford, CM23 3GP 6 November 2025 £360,000
Riverside Wharf, Flat 105, Riverside, Bishop's Stortford, CM23 3GP 23 February 2024 £285,000

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

    332 m
  2. St Michael's Church of England Primary School

    Voluntary aided school

    441 m
  3. Windhill21

    Academy converter

    454 m

Recorded crime

Within 1 mile of this postcode

View all nearby crime records
Published events
2,269
Months covered
12
Latest month
June 2026

Most recorded categories in this period

  • Violence and sexual offences 879
  • Anti social behaviour 398
  • Shoplifting 248
  • Criminal damage and arson 135
  • Other theft 124

Census 2021

Population and age profile

Postcode residents
107

55 female, 52 male

Postcode households
53
Residents per household
2.0
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 1% of the sector's usual residents on Census Day. The age profile describes the wider CM23 3 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+
98.2%
Gigabit-capable
0%
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

4

within 5 km

  • SOUTH STREET SURGERY

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

    ODS code E82074

    202 m

  • CHURCH STREET PARTNERSHIP

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

    ODS code E82067

    309 m

  • HELIX MEDICAL CENTRE

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

    ODS code E82654

    908 m

  • PEACOCK SURGERY

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

    ODS code F81053

    4.6 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

  • Riverside

    BCT · Bishops Stortford

    0.1 miles
  • Potter Street

    BCT · Bishops Stortford

    0.1 miles
  • Dane Street

    BCT · Bishops Stortford

    0.1 miles
  • Holy Trinity Church

    BCT · Bishops Stortford

    0.1 miles
  • Interchange

    BCS · Bishops Stortford

    0.1 miles

Relative deprivation

English Indices of Deprivation 2025 for East Hertfordshire 004E, 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

6 of 10

Overall England rank

17,473 of 33,755

Income
5 of 10
Employment
6 of 10
Education and skills
8 of 10
Health and disability
7 of 10
Crime
1 of 10
Housing and services
7 of 10
Living environment
4 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
55
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

Property market

The five-year median is £280,000 from 7 recorded sales in CM23 3GP. 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

30 open schools are in scope, including 20 primary and 7 secondary schools. White Trees Independent School is the nearest published school at 332 m.

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

Recorded crime

2,269 published events cover 12 months, averaging 189.083 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.