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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
43, Seymour Street, Mountain Ash is recorded publicly as a period freehold house across 764 ft2 of internal area, sitting on a 119 m2 plot.
Locally, houses of this size normally have 3 bedrooms with a garden.
Our estimate of the sale value of 43, Seymour Street, Mountain Ash is £122,015 and its rental estimate is £788 per month, given the available information and assuming reasonable condition.
Seymour Street, Mountain Ash, CF45 falls within the CF45 postal district.
43, Seymour Street, Mountain Ash has a single entry in the Land Registry from May 2015 and a single entry in the EPC database dated August 2013.
We combine this information with that of neighbouring properties to estimate the property attributes and values.
The local information is scored as 3 out of 5 and is considered of medium accuracy.
The condition of a property plays an important role in determining its value, with the degree of impact varying by property type, size and location.
For 43, Seymour Street, Mountain Ash, we estimate a market value of £128,116 and a rental value of £827 per month when presented in very good decorative order. Should the property require extensive cosmetic improvement, those figures would reduce to £113,474 and £733 per month respectively.
Over the last year, 43, Seymour Street, Mountain Ash has seen its estimated sale value climb by £3,002 (2.5%) and its estimated rental value rise by £31 per month (3.9%). This results in an estimated gross rental yield of 7.7%.
HM Land Registry records the plot of land for 43, Seymour Street, Mountain Ash as measuring 119 m2.
That makes it the 25th largest plot in the postcode, where 42 of the 44 other houses have recorded plot data.
43, Seymour Street, Mountain Ash has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 28 Aug 2013.
The property is not connected to mains gas and has fully double glazed windows. It is heated using Boiler and radiators, mains gas.
The most recent sale of 43, Seymour Street, Mountain Ash completed on 8th May 2015 at £65,000 and was recorded by HM Land Registry as a freehold house.
Since 1995 this is the property's only sale.
Values of comparable properties have risen by 79.4% over the period since May 2015.
Over the past 2 years 3 properties similar to 43, Seymour Street, Mountain Ash have sold within a radius of 640 metres, per the Land Registry and our network of Estate Agents.
The latest, on the 4th July 2025, was 50, Phillip Street, Mountain Ash, CF45 4BG, a freehold house which sold for £125,000.
Read more about house prices in CF45.
•Nearby is defined as the radius comprising the nearest 2,000 addresses.
Of the 44 addresses on Seymour Street, Mountain Ash, CF45, 43, Seymour Street, Mountain Ash comes out as the 26th largest and the 27th most expensive in our analysis of the public data.
It is also £36k less expensive than the average property across the CF45 district.
From 43, Seymour Street, Mountain Ash, the nearest station is Mountain Ash, 400 metres away.
Broadband here reaches superfast speeds, based on recent Ofcom data.
According to recent data from Ofcom, Superfast broadband is available in the area.
The flood risk here is rated very low, based on Environment Agency data.
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The recent census recorded whether a resident owned or rented their home.
In the area around 43, Seymour Street, Mountain Ash, 43.2% of property is privately owned outright and 35.2% 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 43, Seymour Street, Mountain Ash, 17.6% of residents are recorded as possessing school level qualifications and 23.9% 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 43, Seymour 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 43, Seymour Street, Mountain Ash, 0.4% 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 43, Seymour Street, Mountain Ash, there are an average of 1.0 cars per household.
See below for how this compares to Wales and the rest of England & Wales.
