Be the first Estate
Agent here!







According to the public record, 5, Pentwyn Avenue, Mountain Ash is a freehold house.
By comparing it to neighbours, we estimate that it is a period house with 813 ft2 of internal area and sits on a 156 m2 plot and a garden.
Houses of this size in this area normally have 3 bedrooms.
Based on available information, and assuming reasonable condition, the estimated sale value for 5, Pentwyn Avenue, Mountain Ash is £78,454 and the estimated rental value is £551 per month.
Pentwyn Avenue, Mountain Ash, CF45 is located within the CF45 postal district.
5, Pentwyn Avenue, Mountain Ash has 31 entries in the Land Registry , most recently in September 2016 and no records in the EPC database.
We combine this sold price information with public data of neighbouring properties to estimate the attributes and values.
The local information is scored as 3 out of 5 and is considered of medium accuracy.
Decorative condition can have a big effect on a property's value and this effect varies depending on the type, size and location of the property.
If 5, Pentwyn Avenue, Mountain Ash is in very good condition we estimate a sale value of £82,376 and a rental value of £579 per month.
However, if the property needs a lot of cosmetic work we estimate a sale value of £72,962 and a rental value of £512 per month.
Over the last 12 months the sale value of 5 Pentwyn Avenue Mountain Ash has increased by an estimated £1,931 (2.5%) and its rental value has increased by an estimated £22 per month (3.9%), giving an expected gross yield of 8.4%.
According to data from HM Land Registry, 5, Pentwyn Avenue, Mountain Ash sits on a plot of 156m2.
We have plot size data on 63 out of 66 other houses in the postcode and 5, Pentwyn Avenue, Mountain Ash sits on the 20th largest plot.
According to HM Land Registry, 5, Pentwyn Avenue, Mountain Ash was last sold on 2nd September 2016 for £35,950 and was recorded as a freehold house.
The property has had 3 sales since 1995.
Since September 2016, the market for similar properties has risen 152.4%
According to the Land Registry and our network of Estate Agents, there have been 3 sales of properties similar to 5, Pentwyn Avenue, Mountain Ash within a radius of 1.4 kilometres over the last 2 years.
The most recent example is 96, Bryntirion, Mountain Ash, CF45 4EX, a freehold house which sold for £82,950 on the 10th December 2025.
Read more about house prices in CF45.
•Nearby is defined as the radius comprising the nearest 2,000 addresses.
Pentwyn Avenue, Mountain Ash, CF45 has a total of 111 addresses. According to our analysis of all the public data, 5, Pentwyn Avenue, Mountain Ash is the 91st largest and the 102nd most expensive property on the street.
When compared to the postcode district it is £79k less expensive than the average property in CF45.
The closest station to 5, Pentwyn Avenue, Mountain Ash is Penrhiwceiber station which is 1.0 kilometres away.
According to recent data from Ofcom, superfast broadband is available in this area.
According to recent data from Ofcom, Superfast broadband is available in the area.
According to data from the Environment Agency, the flood risk in this area is considered to be very low.
The recent census recorded whether a resident owned or rented their home.
In the area around 5, Pentwyn Avenue, Mountain Ash, 34.7% of property is privately owned outright and 27.2% is privately rented.
The graph below shows how this compares to Wales and the rest of England & Wales.
The recent census recorded the highest level of education achieved by residents in the local area.
In the area around 5, Pentwyn Avenue, Mountain Ash, 17.4% of residents are recorded as possessing school level qualifications and 13.6% as possessing degree level qualifications.
The graph below shows how this compares to Wales and the rest of England & Wales.
The most recent census in 2021 recorded the age of all UK residents.
In the area around 5, Pentwyn Avenue, Mountain Ash, the average age was 39.6 and the most common age was 32.
The graph below shows how this compares to Wales and the rest of England & Wales
The recent census recorded whether a property was a primary or secondary home for the resident.
In the area around 5, Pentwyn Avenue, Mountain Ash, 0.6% of property was a second home.
Comparison figures for Wales and the rest of England & Wales are listed below.
The recent census recorded the number of cars registered in each household.
In the area around 5, Pentwyn Avenue, Mountain Ash, there are an average of 0.9 cars per household.
See below for how this compares to Wales and the rest of England & Wales.