CM23 area guide
Who lives in CM23, what homes sell for, and how it compares on crime, schools and transport.
- Council
- East Hertfordshire
- Region
- East of England
- Population
- 59,062 (2024)
CM23Postcode district · Bishop's Stortford
What CM23 is like
The CM23 postcode district in East Hertfordshire covers 1,177 live postcodes and is home to about 59,062 people in 22,193 households. 68.6% of households own their home, 17.8% rent privately and 11.9% are in social housing. The largest age group is 50–54, and 63.5% of adults are in work. It ranks among the more affluent parts of England. Higher-harm crime is below the England and Wales average. Homes in CM23 sold for a median of £425,000 over the year to August 2026.
How CM23 compares
Headline figures for CM23, set against England as a whole.
Less deprived than most. Scored from 1 (most deprived in England) to 10 (least deprived).
Around the middle: 22.4 higher-harm crimes per 1,000 people a year vs 31.1 nationally.
Average annual income before tax, higher than 86% of neighbourhoods in England and Wales.
Worth knowing before you invest
Where CM23 differs most from the national average.
- 01Among the more affluent placesPositive
Scores 8.5 out of 10 on the English Indices of Deprivation 2025, making it less deprived than most of England.
- 02Prices fallingLook closer
The median sale price in CM23 is down 5% on the year before.
- 03Well connectedPositive
2 stations within a mile and 29 bus stops within a ten-minute walk.
- 04Well-rated schoolsPositive
100% of the inspected schools nearby are rated good or better.
CM23 FAQs
01Is CM23 a good place to live?Deprivation, crime, schools and transport at a glance.
Deprivation, crime, schools and transport at a glance.
02How much does a house cost in CM23?The median sale price over the last year was £425,000.
The median sale price over the last year was £425,000.
03Is CM23 safe?How recorded crime here compares with the national average.
How recorded crime here compares with the national average.
04Who lives in CM23?Age, home ownership and housing from the census.
Age, home ownership and housing from the census.
05Which council covers CM23?The local authority for CM23 is East Hertfordshire.
The local authority for CM23 is East Hertfordshire.
06How well connected is CM23?Connectivity scores 7.0 out of 10.
Connectivity scores 7.0 out of 10.
Sources: Census 2021 (ONS); ONS mid-year population estimates; police recorded crime; the English, Welsh and Scottish indices of deprivation; ONS small area income estimates; ONS private rents; DfE, Welsh and Scottish school registers and Ofsted; DfT NaPTAN; ORR estimates of station usage; HM Land Registry Price Paid Data. Contains public sector information licensed under the Open Government Licence v3.0. Contains OS data © Crown copyright and database right.