Housing in CF3 0JU
What the homes in CF3 0JU are, who owns them, how many people share them and what they rent for.
- Neighbourhood
- St Mellons West
- Council
- Cardiff
- Region
- Wales
- Neighbourhood population
- 1,498 (2024)
CF3 0JUCardiff
What homes look like here
The most common homes here are semi-detached houses (59.8%). Flats make up 7.8%, well below the 12.5% across Wales.
Owning vs renting
10.3% of households in the CF3 0JU area own their home, less than half the Wales average of 66.1%. Private renting makes up 7.3% of households, less than half the Wales figure of 17%. 4% own outright and 6.3% with a mortgage.
- Owned10.3%66.1%
- Shared ownership0%0.3%
- Private rented7.3%17%
- Social rented82.1%16.5%
- Lives rent free0.4%0.2%
By mortgage and landlord type
How many people live in each home
The average home here has 2.7 people living in it. 19% of households are one person living alone, against 31.9% across Wales.
Who lives together
The most common household is a lone parent with dependent children (36.9%). 53.2% of households include dependent children.
Private rents in Cardiff
Average monthly rent for a new or renewed tenancy in Cardiff (August 2026, +3.5% on a year earlier). ONS publishes rent figures at council level rather than by neighbourhood.
Census figures aren’t published for single postcodes, so the neighbourhood figures on this tab cover the area around CF3 0JU (St Mellons West) (about 1,498 residents).
Source: Census 2021, Office for National Statistics. Population: ONS mid-year estimates. Open Government Licence v3.0. Rents: ONS Price Index of Private Rents.