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According to the public record, 1, John Street, Mountain Ash is a period freehold house with 828 ft2 of internal area and sits on a 149 m2 plot.
Houses of this size in this area normally have 3 bedrooms with a garden.
Based on available information, and assuming reasonable condition, the estimated sale value for 1, John Street, Mountain Ash is £115,443 and the estimated rental value is £780 per month.
John Street, Mountain Ash, CF45 is located within the CF45 postal district.
1, John Street, Mountain Ash has 21 entries in the Land Registry , most recently in August 2018 and a single entry in the EPC database dated March 2023.
We combine this information with that of neighbouring properties to estimate the property attributes and values.
The local information is scored as 2 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 1, John Street, Mountain Ash is in very good condition we estimate a sale value of £121,215 and a rental value of £819 per month.
However, if the property needs a lot of cosmetic work we estimate a sale value of £107,362 and a rental value of £726 per month.
Over the last 12 months the sale value of 1 John Street Mountain Ash has increased by an estimated £1,972 (1.7%) and its rental value has increased by an estimated £27 per month (3.4%), giving an expected gross yield of 8.1%.
According to data from HM Land Registry, 1, John Street, Mountain Ash sits on a plot of 149m2.
We have plot size data on 3 out of 3 other houses in the postcode and 1, John Street, Mountain Ash sits on the 3rd largest plot.
1, John Street, Mountain Ash has an Energy Performance Rating (EPC) of E. This is based on the most recent assessment, dated 08 Mar 2023.
The property is connected to mains gas and has fully double glazed windows. It is heated using Boiler and radiators, mains gas.
According to HM Land Registry, 1, John Street, Mountain Ash was last sold on 21st August 2018 for £85,000 and was recorded as a freehold house.
The property has had 2 sales since 1995.
Since August 2018, the market for similar properties has risen 52.7%
According to the Land Registry and our network of Estate Agents, there have been 3 sales of properties similar to 1, John Street, Mountain Ash within a radius of 730 metres over the last 2 years.
The most recent example is 6, Strand Street, Mountain Ash, CF45 4HG, a freehold house which sold for £105,000 on the 13th February 2026.
Read more about house prices in CF45.
•Nearby is defined as the radius comprising the nearest 2,000 addresses.
John Street, Mountain Ash, CF45 has a total of 7 addresses. According to our analysis of all the public data, 1, John Street, Mountain Ash is the 4th largest and the 4th most expensive property on the street.
When compared to the postcode district it is £41k less expensive than the average property in CF45.
The closest station to 1, John Street, Mountain Ash is Mountain Ash station which is 700 metres away.
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 1, John Street, Mountain Ash, 34.9% of property is privately owned outright and 31.1% 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 1, John Street, Mountain Ash, 15.4% of residents are recorded as possessing school level qualifications and 16.7% 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 1, John Street, Mountain Ash, the average age was 42.5 and the most common age was 57.
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 1, John Street, Mountain Ash, 1.8% 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 1, John Street, Mountain Ash, there are an average of 1.1 cars per household.
See below for how this compares to Wales and the rest of England & Wales.