CO4 area guide
Who lives in CO4, what homes sell for, and how it compares on crime, schools and transport.
- Council
- Colchester
- Region
- East of England
- Population
- 68,529 (2024)
What CO4 is like
The CO4 postcode district in Colchester covers 1,188 live postcodes and is home to about 68,529 people in 25,700 households. 60% of households own their home, 23.1% rent privately and 16.1% are in social housing. The largest age group is 20–24, and 55.2% of adults are in work. On deprivation, it sits near the middle of the scale for England. Higher-harm crime is above the England and Wales average. Homes in CO4 sold for a median of £325,000 over the year to August 2026.
How CO4 compares
Headline figures for CO4, set against England as a whole.
Around the middle. Scored from 1 (most deprived in England) to 10 (least deprived).
Around the middle: 37.1 higher-harm crimes per 1,000 people a year vs 31.1 nationally.
Average annual income before tax, higher than 71% of neighbourhoods in England and Wales.
Worth knowing before you invest
Where CO4 differs most from the national average.
- 01A student area
14.8% of adults are full-time students, against 7.9% across England. Expect HMO demand and term-time turnover.
- 02A young populationPositive
24% of residents are aged 20 to 34 (the peak renting age), against 19.6% across England.
- 03A big private rental marketPositive
23.1% of households rent privately, against 20.5% across England. Tenant demand is established here.
- 04Well-rated schoolsPositive
92% of the inspected schools nearby are rated good or better.
CO4 FAQs
01Is CO4 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 CO4?The median sale price over the last year was £325,000.
The median sale price over the last year was £325,000.
03Is CO4 safe?How recorded crime here compares with the national average.
How recorded crime here compares with the national average.
04Who lives in CO4?Age, home ownership and housing from the census.
Age, home ownership and housing from the census.
05Which council covers CO4?The local authority for CO4 is Colchester.
The local authority for CO4 is Colchester.
06How well connected is CO4?Connectivity scores 3.0 out of 10.
Connectivity scores 3.0 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.