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Postcode sector · Seaford

Affluence in BN25 1

How BN25 1 ranks on deprivation and income, and the work and qualifications behind it.

Council
Lewes
Region
South East
Population
7,859 (2024)
Deprivation

How well off BN25 1 is

On the English Indices of Deprivation 2025, BN25 1 averages decile 6.2 of 10 — more affluent than most of England. The index ranks places within England only, so it can't be compared across the UK's nations.

Average decile
6.2/ 10
Most deprivedLeast deprived
Its 5 neighbourhoods by decile
12345678910
Most deprivedLeast deprived
By domain, most deprived first
  • Employment4.8
  • Health and disability4.8
  • Children in low-income families5.2
  • Income5.4
  • Crime5.8
  • Older people in low-income households5.8
  • Living environment6.0
  • Education and skills6.2
  • Barriers to housing and services8.8
Income

Household income

ONS's estimate of mean household income before tax, 2022/23. Published for neighbourhoods of around 7,000 people; areas spanning several are weighted by households.

Average a year
£45,470
Before tax, all sources
England
£55,856
Below the national average
Percentile
28
Higher than this share of neighbourhoods in England and Wales
Work

Who is in work

Across England, 55.7% of adults are in work; BN25 1 is below that, at 46.3%. 36.5% are retired and 4% are full-time students.

BN25 1England
Employee, full-time25.1%34.3%
Employee, part-time11.8%11.9%
Self-employed9.5%9.5%
Unemployed2.2%2.9%
Full-time student4%7.9%
Retired36.5%21.5%
Looking after home or family3.6%4.8%
Long-term sick or disabled4.2%4.1%
Other3.1%3.1%
Occupations

Social grade

Across England, 33.2% of adults work in managerial or professional jobs; BN25 1 is broadly in line with that, at 37%.

BN25 1England
Higher managerial & professional14.1%13.2%
Lower managerial & professional22.9%19.9%
Intermediate13%11.4%
Small employers & self-employed12.7%10.6%
Lower supervisory & technical5.1%5.3%
Semi-routine12.3%11.3%
Routine8.7%12%
Never worked & long-term unemployed7.3%8.5%
Full-time students3.8%7.7%
Education

Highest qualification

Across England, 33.9% of adults hold a degree or equivalent; BN25 1 is broadly in line with that, at 34.2%. 15.8% have no qualifications.

BN25 1England
Degree level or above34.2%33.9%
A level or equivalent16.8%16.9%
GCSE grade 4/C or above13.9%13.3%
Below GCSE grade 4/C10.6%9.7%
Apprenticeship5.3%5.3%
Other qualifications3.3%2.8%
No qualifications15.8%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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