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Postcode · Mountain Ash

Housing in CF45 3DH

What the homes in CF45 3DH are, who owns them, how many people share them and what they rent for.

Neighbourhood
Mountain Ash
Council
Rhondda Cynon Taf
Region
Wales
Neighbourhood population
1,329 (2024)
Property types

What homes look like here

The most common homes here are terraced houses (35.5%). Flats make up 18.5%, well above the 12.5% across Wales.

CF45 3DHWales
Detached21.3%28.5%
Semi-detached24.7%32.1%
Terraced35.5%26.6%
Purpose-built flat17.9%9.4%
Flat in a converted or shared house0%1.8%
Flat in a commercial or converted building0.5%1.3%
Caravan or mobile home0%0.3%
Tenure

Owning vs renting

48.4% of households in the CF45 3DH area own their home, below the Wales average of 66.1%. Private renting makes up 10.8% of households, well below the Wales figure of 17%. 28.1% own outright and 20.3% with a mortgage.

CF45 3DH
48%
41%
Wales
  • Owned48.4%66.1%
  • Shared ownership0%0.3%
  • Private rented10.8%17%
  • Social rented40.6%16.5%
  • Lives rent free0.2%0.2%

By mortgage and landlord type

CF45 3DHWales
Owned outright28.1%38%
With a mortgage or loan20.3%28%
From a private landlord or letting agent8.3%14.5%
Other private rented2.5%2.5%
From the council23.7%8.7%
From a housing association16.9%7.8%
Occupancy

How many people live in each home

The average home here has 2.3 people living in it. 28% of households are one person living alone, against 31.9% across Wales.

CF45 3DHWales
0%
20%
40%
60%
123456+
Households

Who lives together

The most common household is one person living alone aged under 66 (18.5%). 25.9% of households include dependent children.

CF45 3DHWales
Living alone, under 6618.5%17.3%
Living alone, 66 and over9.7%14.6%
Couple, no children17.8%16.5%
Couple with dependent children11.8%16.9%
Couple with grown-up children6.1%6.8%
Lone parent with dependent children14%7.6%
Lone parent with grown-up children7.2%4.4%
Family, all aged 66 and over10.6%10.2%
Sharers and other households4.3%5.6%
Rents

Private rents in Rhondda Cynon Taf

Average monthly rent for a new or renewed tenancy in Rhondda Cynon Taf (August 2026, +1.7% on a year earlier). ONS publishes rent figures at council level rather than by neighbourhood.

Rhondda Cynon TafWales
All homes£754£846
One bedroom£528£636
Two bedrooms£675£779
Three bedrooms£758£890
Four or more£995£1,247
Detached£967£1,083
Semi-detached£802£877
Terraced£733£833
Flat or maisonette£588£706
About these figures

Census figures aren’t published for single postcodes, so the neighbourhood figures on this tab cover the area around CF45 3DH (Mountain Ash) (about 1,329 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.

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