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Bricks&Logic is a trading name of Urban Markets Ltd
Company No. 11113204
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VAT No. GB 287 0845 68
Registered Address: 2 Leman St, London E1 8FA
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According to the public record, 40, Allen Street, Mountain Ash is a period house with 1,097 ft2 of internal area and sits on a 91.8 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 40, Allen Street, Mountain Ash is £172,828 and the estimated rental value is £917 per month.
Allen Street, Mountain Ash, CF45 is located within the CF45 postal district.
40, Allen Street, Mountain Ash has no recent1 records in the the Land Registry and a single entry in the EPC database dated January 2026.
We combine this information with public data of neighbouring properties to estimate the property attributes and values.
The local information is scored as 4 out of 5 and is considered of high 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 40, Allen Street, Mountain Ash is in very good condition we estimate a sale value of £181,470 and a rental value of £963 per month.
However, if the property needs a lot of cosmetic work we estimate a sale value of £160,730 and a rental value of £853 per month.
Over the last 12 months the sale value of 40 Allen Street Mountain Ash has increased by an estimated £2,952 (1.7%) and its rental value has increased by an estimated £31 per month (3.4%), giving an expected gross yield of 6.4%.
According to data from HM Land Registry, 40, Allen Street, Mountain Ash sits on a plot of 92m2.
We have plot size data on 25 out of 31 other houses in the postcode and 40, Allen Street, Mountain Ash sits on the 22nd largest plot.
40, Allen Street, Mountain Ash has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 30 Jan 2026.
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, 40, Allen Street, Mountain Ash was last sold on 11th October 2001 for £40,000 and was recorded as a freehold house.
The property has had 3 sales since 1995.
According to the Land Registry and our network of Estate Agents, there have been 3 sales of properties similar to 40, Allen Street, Mountain Ash within a radius of 670 metres over the last 2 years.
The most recent example is 59, Allen Street, Mountain Ash, CF45 4BB, a freehold house which sold for £189,998 on the 9th March 2026.
Read more about house prices in CF45.
•Nearby is defined as the radius comprising the nearest 2,000 addresses.
Allen Street, Mountain Ash, CF45 has a total of 63 addresses. According to our analysis of all the public data, 40, Allen Street, Mountain Ash is the 19th largest and the 19th most expensive property on the street.
When compared to the postcode district it is £16k more expensive than the average property in CF45.
The closest station to 40, Allen Street, Mountain Ash is Mountain Ash station which is 500 metres 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 40, Allen Street, Mountain Ash, 43.5% of property is privately owned outright and 32.0% is privately owned with a mortgage.
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 40, Allen Street, Mountain Ash, 20.7% of residents are recorded as possessing school level qualifications and 23.8% 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 40, Allen 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 40, Allen Street, 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 40, Allen Street, Mountain Ash, there are an average of 1.2 cars per household.
See below for how this compares to Wales and the rest of England & Wales.
