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Postcode · Erith

Affluence in DA18 4DD

How DA18 4DD ranks on deprivation and income, and the work and qualifications behind it.

Neighbourhood
South Thamesmead
Council
Bexley
Region
London
Neighbourhood population
1,740 (2024)
Deprivation

How well off DA18 4DD is

On the English Indices of Deprivation 2025, the DA18 4DD area scores 3.0 out of 10, placing it more deprived than most of England. Its lowest-scoring category is older people in low-income households (1.0 out of 10). Scores are ranked within England only, so they can’t be compared across UK nations.

Overall score
3.0/ 10
Most deprivedLeast deprived
By category, lowest first
  • Older people in low-income households1.0
  • Income2.0
  • Employment2.0
  • Children in low-income families3.0
  • Education and skills4.0
  • Health and disability4.0
  • Barriers to housing and services4.0
  • Crime5.0
  • Living environment5.0
Income

Household income

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

Annual income
£61,407
Before tax, all sources
England
£55,856
Above the national average
Higher than
70%
Of neighbourhoods in England and Wales
Work

Who is in work

52.2% of adults in the DA18 4DD area are in work, broadly in line with the England average of 55.7%. 13.4% are retired and 10.3% are full-time students.

DA18 4DDEngland
Employee, full-time31.8%34.3%
Employee, part-time12.7%11.9%
Self-employed7.7%9.5%
Unemployed5.3%2.9%
Full-time student10.3%7.9%
Retired13.4%21.5%
Looking after home or family5.4%4.8%
Long-term sick or disabled7.3%4.1%
Other6%3.1%
Occupations

Social grade

21% of adults in the DA18 4DD area work in managerial or professional jobs, well below the England average of 33.2%.

DA18 4DDEngland
Higher managerial & professional5.3%13.2%
Lower managerial & professional15.6%19.9%
Intermediate10.5%11.4%
Small employers & self-employed8.6%10.6%
Lower supervisory & technical5.7%5.3%
Semi-routine15.9%11.3%
Routine14.6%12%
Never worked & long-term unemployed13.6%8.5%
Full-time students10.2%7.7%
Education

Highest qualification

32.9% of adults in the DA18 4DD area hold a degree or equivalent, broadly in line with the England average of 33.9%. 22% have no qualifications.

DA18 4DDEngland
Degree level or above32.9%33.9%
A level or equivalent14.4%16.9%
GCSE grade 4/C or above13.5%13.3%
Below GCSE grade 4/C11.1%9.7%
Apprenticeship4.3%5.3%
Other qualifications1.9%2.8%
No qualifications22%18.1%
About these figures

Census figures aren’t published for single postcodes, so the neighbourhood figures on this tab cover the area around DA18 4DD (South Thamesmead) (about 1,740 residents).

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

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