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Postcode · Hythe

Affluence in CT21 5DU

How CT21 5DU ranks on deprivation and income, and the work and qualifications behind it.

Neighbourhood
Saltwood, Seabrook & Etchinghill
Council
Folkestone and Hythe
Region
South East
Neighbourhood population
1,524 (2024)
Deprivation

How well off CT21 5DU is

On the English Indices of Deprivation 2025, the CT21 5DU area scores 10.0 out of 10, placing it among the most affluent fifth of England. Its lowest-scoring category is barriers to housing and services (4.0 out of 10). Scores are ranked within England only, so they can’t be compared across UK nations.

Overall score
10.0/ 10
Most deprivedLeast deprived
By category, lowest first
  • Barriers to housing and services4.0
  • Employment8.0
  • Education and skills9.0
  • Health and disability9.0
  • Crime9.0
  • Living environment9.0
  • Income10.0
  • Children in low-income families10.0
  • Older people in low-income households10.0
Income

Household income

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

Annual income
£62,088
Before tax, all sources
England
£55,856
Above the national average
Higher than
71%
Of neighbourhoods in England and Wales
Work

Who is in work

43.4% of adults in the CT21 5DU area are in work, below the England average of 55.7%. 44.7% are retired and 4.5% are full-time students.

CT21 5DUEngland
Employee, full-time23.5%34.3%
Employee, part-time9.5%11.9%
Self-employed10.4%9.5%
Unemployed1.3%2.9%
Full-time student4.5%7.9%
Retired44.7%21.5%
Looking after home or family3%4.8%
Long-term sick or disabled1.8%4.1%
Other1.3%3.1%
Occupations

Social grade

49.2% of adults in the CT21 5DU area work in managerial or professional jobs, well above the England average of 33.2%.

CT21 5DUEngland
Higher managerial & professional20.1%13.2%
Lower managerial & professional29%19.9%
Intermediate12.1%11.4%
Small employers & self-employed12.7%10.6%
Lower supervisory & technical3.7%5.3%
Semi-routine7.4%11.3%
Routine3.8%12%
Never worked & long-term unemployed6.9%8.5%
Full-time students4.3%7.7%
Education

Highest qualification

39.8% of adults in the CT21 5DU area hold a degree or equivalent, above the England average of 33.9%. 12.8% have no qualifications.

CT21 5DUEngland
Degree level or above39.8%33.9%
A level or equivalent16.6%16.9%
GCSE grade 4/C or above14.2%13.3%
Below GCSE grade 4/C9.8%9.7%
Apprenticeship4.4%5.3%
Other qualifications2.4%2.8%
No qualifications12.8%18.1%
About these figures

Census figures aren’t published for single postcodes, so the neighbourhood figures on this tab cover the area around CT21 5DU (Saltwood, Seabrook & Etchinghill) (about 1,524 residents).

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

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