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Postcode sector · Billericay

Affluence in CM11 1

How CM11 1 ranks on deprivation and income, and the work and qualifications behind it.

Council
Basildon
Region
East of England
Population
16,179 (2024)
Deprivation

How well off CM11 1 is

On the English Indices of Deprivation 2025, CM11 1 scores 8.3 out of 10, placing it among the most affluent fifth of England. Scores are ranked within England only, so they can’t be compared across UK nations.

Overall score
8.3/ 10
Most deprivedLeast deprived
Its 10 neighbourhoods, from 1 to 10
12345678910
Most deprivedLeast deprived
By category, lowest first
  • Barriers to housing and services4.8
  • Education and skills7.2
  • Crime7.7
  • Living environment7.8
  • Children in low-income families8.5
  • Income8.7
  • Employment8.9
  • Health and disability9.1
  • Older people in low-income households9.1
Income

Household income

Average yearly household income before tax (2022/23), estimated for local neighbourhoods.

Annual income
£74,255
Before tax, all sources
England
£55,856
Above the national average
Higher than
89%
Of neighbourhoods in England and Wales
Work

Who is in work

56.9% of adults in CM11 1 are in work, broadly in line with the England average of 55.7%. 28.2% are retired and 5% are full-time students.

CM11 1England
Employee, full-time33.4%34.3%
Employee, part-time12.2%11.9%
Self-employed11.3%9.5%
Unemployed1.6%2.9%
Full-time student5%7.9%
Retired28.2%21.5%
Looking after home or family5.1%4.8%
Long-term sick or disabled1.3%4.1%
Other2%3.1%
Occupations

Social grade

45.3% of adults in CM11 1 work in managerial or professional jobs, above the England average of 33.2%.

CM11 1England
Higher managerial & professional21.4%13.2%
Lower managerial & professional24%19.9%
Intermediate15.1%11.4%
Small employers & self-employed13%10.6%
Lower supervisory & technical3.7%5.3%
Semi-routine7.7%11.3%
Routine5.7%12%
Never worked & long-term unemployed4.7%8.5%
Full-time students4.8%7.7%
Education

Highest qualification

32% of adults in CM11 1 hold a degree or equivalent, broadly in line with the England average of 33.9%. 14.5% have no qualifications.

CM11 1England
Degree level or above32%33.9%
A level or equivalent18.2%16.9%
GCSE grade 4/C or above16.7%13.3%
Below GCSE grade 4/C10.7%9.7%
Apprenticeship5.3%5.3%
Other qualifications2.5%2.8%
No qualifications14.5%18.1%

Sources: English Indices of Deprivation 2025; ONS small area income estimates; Census 2021 (ONS). Open Government Licence v3.0.

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