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Postcode · Cardiff

Affluence in CF3 0JZ

How CF3 0JZ ranks on deprivation and income, and the work and qualifications behind it.

Neighbourhood
St Mellons West
Council
Cardiff
Region
Wales
Neighbourhood population
1,498 (2024)
Deprivation

How well off CF3 0JZ is

On the Welsh Index of Multiple Deprivation 2025, the CF3 0JZ 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
  • Education and skills1.0
  • Health and disability1.0
  • Housing1.0
  • Community safety1.0
  • Access to services4.0
  • Living environment6.0
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

40.4% of adults in the CF3 0JZ area are in work, below the Wales average of 51.9%. 7.2% are retired and 10.3% are full-time students.

CF3 0JZWales
Employee, full-time23.5%31.9%
Employee, part-time13.4%11.8%
Self-employed3.5%8.2%
Unemployed7.4%2.5%
Full-time student10.3%7.9%
Retired7.2%24.7%
Looking after home or family14%4.3%
Long-term sick or disabled15.4%5.9%
Other5.4%2.9%
Occupations

Social grade

12.9% of adults in the CF3 0JZ area work in managerial or professional jobs, less than half the Wales average of 29.6%.

CF3 0JZWales
Higher managerial & professional2.7%10.2%
Lower managerial & professional10.2%19.4%
Intermediate9.2%11.6%
Small employers & self-employed4.7%10.1%
Lower supervisory & technical5.7%6.2%
Semi-routine19%13.1%
Routine18.3%13.2%
Never worked & long-term unemployed20.2%8.5%
Full-time students10%7.6%
Education

Highest qualification

20.2% of adults in the CF3 0JZ area hold a degree or equivalent, well below the Wales average of 31.5%. 31.1% have no qualifications.

CF3 0JZWales
Degree level or above20.2%31.5%
A level or equivalent9.6%17.2%
GCSE grade 4/C or above15.7%14.4%
Below GCSE grade 4/C15.2%8.7%
Apprenticeship5.3%5.6%
Other qualifications2.9%2.7%
No qualifications31.1%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 0JZ (St Mellons West) (about 1,498 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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