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Postcode · Cardiff

Affluence in CF3 1SN

How CF3 1SN ranks on deprivation and income, and the work and qualifications behind it.

Neighbourhood
St Mellons West
Council
Cardiff
Region
Wales
Neighbourhood population
1,960 (2024)
Status
No longer in use
Deprivation

How well off CF3 1SN is

On the Welsh Index of Multiple Deprivation 2025, the CF3 1SN area scores 1.0 out of 10, placing it among the most deprived fifth of Wales. Its lowest-scoring category is income (1.0 out of 10). Scores are ranked within Wales only, so they can’t be compared across UK nations.

Overall score
1.0/ 10
Most deprivedLeast deprived
By category, lowest first
  • Income1.0
  • Employment1.0
  • Health and disability1.0
  • Housing1.0
  • Community safety1.0
  • Education and skills2.0
  • Living environment3.0
  • Access to services8.0
Income

Household income

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

Annual income
£38,667
Before tax, all sources
Wales
£44,854
Below the national average
Higher than
8%
Of neighbourhoods in England and Wales
Work

Who is in work

49.1% of adults in the CF3 1SN area are in work, broadly in line with the Wales average of 51.9%. 14.7% are retired and 9.7% are full-time students.

CF3 1SNWales
Employee, full-time32%31.9%
Employee, part-time12.5%11.8%
Self-employed4.6%8.2%
Unemployed4.8%2.5%
Full-time student9.7%7.9%
Retired14.7%24.7%
Looking after home or family7.8%4.3%
Long-term sick or disabled10%5.9%
Other3.9%2.9%
Occupations

Social grade

22% of adults in the CF3 1SN area work in managerial or professional jobs, below the Wales average of 29.6%.

CF3 1SNWales
Higher managerial & professional6.9%10.2%
Lower managerial & professional15.2%19.4%
Intermediate11.9%11.6%
Small employers & self-employed5.9%10.1%
Lower supervisory & technical5%6.2%
Semi-routine18.1%13.1%
Routine13.6%13.2%
Never worked & long-term unemployed14.7%8.5%
Full-time students8.8%7.6%
Education

Highest qualification

24.2% of adults in the CF3 1SN area hold a degree or equivalent, below the Wales average of 31.5%. 26.9% have no qualifications.

CF3 1SNWales
Degree level or above24.2%31.5%
A level or equivalent15.8%17.2%
GCSE grade 4/C or above13.7%14.4%
Below GCSE grade 4/C11.6%8.7%
Apprenticeship4.5%5.6%
Other qualifications3.3%2.7%
No qualifications26.9%19.9%
About these figures

Census figures aren’t published for single postcodes, so the neighbourhood figures on this tab cover the area around CF3 1SN (St Mellons West) (about 1,960 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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