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Postcode · Swansea

Affluence in SA3 4LZ

How SA3 4LZ ranks on deprivation and income, and the work and qualifications behind it.

Neighbourhood
Mumbles & Newton
Council
Swansea
Region
Wales
Neighbourhood population
1,284 (2024)
Deprivation

How well off SA3 4LZ is

On the Welsh Index of Multiple Deprivation 2025, the SA3 4LZ area scores 10.0 out of 10, placing it among the most affluent fifth of Wales. Its lowest-scoring category is access to services (4.0 out of 10). Scores are ranked within Wales only, so they can’t be compared across UK nations.

Overall score
10.0/ 10
Most deprivedLeast deprived
By category, lowest first
  • Access to services4.0
  • Community safety6.0
  • Employment9.0
  • Living environment9.0
  • Housing9.0
  • Income10.0
  • Education and skills10.0
  • Health and disability10.0
Income

Household income

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

Annual income
£54,538
Before tax, all sources
Wales
£44,854
Above the national average
Higher than
54%
Of neighbourhoods in England and Wales
Work

Who is in work

45.7% of adults in the SA3 4LZ area are in work, below the Wales average of 51.9%. 40.6% are retired and 6.3% are full-time students.

SA3 4LZWales
Employee, full-time24.3%31.9%
Employee, part-time10.2%11.8%
Self-employed11.2%8.2%
Unemployed1.6%2.5%
Full-time student6.3%7.9%
Retired40.6%24.7%
Looking after home or family2.6%4.3%
Long-term sick or disabled1.7%5.9%
Other1.5%2.9%
Occupations

Social grade

51.2% of adults in the SA3 4LZ area work in managerial or professional jobs, well above the Wales average of 29.6%.

SA3 4LZWales
Higher managerial & professional21.4%10.2%
Lower managerial & professional29.8%19.4%
Intermediate10.1%11.6%
Small employers & self-employed12.6%10.1%
Lower supervisory & technical3%6.2%
Semi-routine7.1%13.1%
Routine4.6%13.2%
Never worked & long-term unemployed5.2%8.5%
Full-time students6.3%7.6%
Education

Highest qualification

51.6% of adults in the SA3 4LZ area hold a degree or equivalent, well above the Wales average of 31.5%. 9.5% have no qualifications.

SA3 4LZWales
Degree level or above51.6%31.5%
A level or equivalent15%17.2%
GCSE grade 4/C or above10.8%14.4%
Below GCSE grade 4/C5.8%8.7%
Apprenticeship5.3%5.6%
Other qualifications1.9%2.7%
No qualifications9.5%19.9%
About these figures

Census figures aren’t published for single postcodes, so the neighbourhood figures on this tab cover the area around SA3 4LZ (Mumbles & Newton) (about 1,284 residents).

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

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