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Postcode sector · Sawbridgeworth

CM21 9 area guide

Who lives in CM21 9, what homes sell for, and how it compares on crime, schools and transport.

Council
East Hertfordshire
Region
East of England
Population
11,717 (2024)
At a glance

What CM21 9 is like

The CM21 9 postcode sector in East Hertfordshire covers 175 live postcodes and is home to about 11,717 people in 4,705 households. 73.6% of households own their home, 18.4% rent privately and 7.6% are in social housing. The largest age group is 50–54, and 59.7% of adults are in work. It ranks among the more affluent parts of England. Higher-harm crime is well below the England and Wales average. Homes in CM21 9 sold for a median of £375,000 over the year to August 2026.

Scores

How CM21 9 compares

Headline figures for CM21 9, set against England as a whole.

AffluenceMore
9.0/ 10

Less deprived than most. Scored from 1 (most deprived in England) to 10 (least deprived).

CrimeMore
5/ 10

Around the middle: 20.0 higher-harm crimes per 1,000 people a year vs 31.1 nationally.

House pricesMore
£375,000

Median over 83 sales in CM21 9, −3.8% on the year before.

TransportMore
4.3/ 10

Good: 1 station within a mile, 14 bus stops within 800m.

SchoolsMore
100%

Rated good or better across 5 inspected schools in CM21 9.

Household incomeMore
£67,069

Average annual income before tax, higher than 80% of neighbourhoods in England and Wales.

What stands out

Worth knowing before you invest

Where CM21 9 differs most from the national average.

  1. 01
    Among the more affluent placesPositive

    Scores 9.0 out of 10 on the English Indices of Deprivation 2025, making it less deprived than most of England.

  2. 02
    An older population

    21.9% of residents are 65 or over, against 18.4% across England.

  3. 03
    Well-rated schoolsPositive

    100% of the inspected schools nearby are rated good or better.

  4. 04
    Mostly owner-occupied

    73.6% of households own their home, against 61.3% across England.

Questions

CM21 9 FAQs

01
Is CM21 9 a good place to live?

Deprivation, crime, schools and transport at a glance.

It scores 9.0 out of 10 on the English Indices of Deprivation 2025, where 10 is the least deprived in England. Higher-harm crime runs at 20.0 per 1,000 people a year, band 5 of 10 nationally. 100% of the inspected schools nearby are rated good or better. Transport connectivity scores 4.3 out of 10 (good).
02
How much does a house cost in CM21 9?

The median sale price over the last year was £375,000.

Homes in CM21 9 sold for a median of £375,000 across 83 sales in the year to August 2026, −3.8% on the year before. Prices come from HM Land Registry’s record of every residential sale.
03
Is CM21 9 safe?

How recorded crime here compares with the national average.

Higher-harm crime (violence, robbery, burglary, vehicle crime and weapons offences) runs at 20.0 offences per 1,000 people a year around CM21 9, well below the 31.1 average across England and Wales, band 5 of 10.
04
Who lives in CM21 9?

Age, home ownership and housing from the census.

The largest age group is 50–54, at 7.5% of residents. 73.6% of households own their home. The most common property type is detached (29.6%).
05
Which council covers CM21 9?

The local authority for CM21 9 is East Hertfordshire.

CM21 9 comes under East Hertfordshire in the East of England. Council tax, planning applications and bin collections are handled there.
06
How well connected is CM21 9?

Connectivity scores 4.3 out of 10.

There are 14 bus stops within 800m and 1 station or tram stop within a mile, scoring 4.3 out of 10 (good). The nearest station is Sawbridgeworth Rail Station, 0.3 miles away.

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.

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