41, Heol Islwyn
41, Heol Islwyn
Description & Estimates
41, Heol Islwyn, Porth is recorded publicly as a mid-century freehold house across 839 ft2 of internal area, sitting on a 307 m2 plot.
Locally, houses of this size normally have 3 bedrooms with a garden.
Our estimate of the sale value of 41, Heol Islwyn, Porth is £146,818 and its rental estimate is £843 per month, given the available information and assuming reasonable condition.
Heol Islwyn, Tonyrefail, Porth, CF39 falls within the CF39 postal district.
Our Data Sources
41, Heol Islwyn, Porth has 3 entries in the Land Registry , most recently in October 2023 and a single entry in the EPC database dated January 2019.
We combine this information with that 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.
Price Range & Condition
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 41, Heol Islwyn, Porth, we estimate a market value of £154,159 and a rental value of £886 per month when presented in very good decorative order. Should the property require extensive cosmetic improvement, those figures would reduce to £136,541 and £784 per month respectively.
Recent Market Change
Over the last year, 41, Heol Islwyn, Porth has seen its estimated sale value climb by £3,031 (2.1%) and its estimated rental value rise by £33 per month (3.9%). This results in an estimated gross rental yield of 6.9%.
Plot Size
HM Land Registry records the plot of land for 41, Heol Islwyn, Porth as measuring 307 m2.
That makes it the 20th largest plot in the postcode, where all 48 other houses have recorded plot data.
Energy Efficiency
41, Heol Islwyn, Porth has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 21 Jan 2019.
The property is connected to mains gas and has fully double glazed windows. It is heated using Boiler and radiators, mains gas.
Sold Prices
The most recent sale of 41, Heol Islwyn, Porth completed on 27th October 2023 at £125,000 and was recorded by HM Land Registry as a freehold house.
Since 1995 the property has sold 3 times.
Values of comparable properties have dropped by 10.3% over the period since October 2023.
- Sold Oct 2023£125,000
- Sold Jun 2019£92,000
- Sold Dec 2016£74,000
Similar Properties Sold Nearby
Over the past 2 years 3 properties similar to 41, Heol Islwyn, Porth have sold within a radius of 850 metres, per the Land Registry and our network of Estate Agents.
The latest, on the 13th January 2026, was 15, Winslade Avenue, Porth, CF39 8NP, a freehold house which sold for £156,000.
Read more about house prices in CF39.
•Nearby is defined as the radius comprising the nearest 2,000 addresses.
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Location Comparison
Of the 48 addresses on Heol Islwyn, Tonyrefail, Porth, CF39, 41, Heol Islwyn, Porth comes out as the 33rd largest and the 32nd most expensive in our analysis of the public data.
It is also £1k more expensive than the average property across the CF39 district.
More reading links
Schools Nearby
Public Transport Nearby
From 41, Heol Islwyn, Porth, the nearest station is Porth, 3.1 kilometres away.
- 3.1kmPorth
- 3.5kmDinas (Rhondda)
- 3.9kmTonypandy
Available Internet Speeds
Broadband here reaches superfast speeds, based on recent Ofcom data.
According to recent data from Ofcom, Superfast broadband is available in the area.
Risk of Flooding
The flood risk here is rated very low, based on Environment Agency data.
