25, Heol Islwyn
25, Heol Islwyn
Description & Estimates
25, Heol Islwyn, Porth is described in the public record as an early-century house with 861 ft2 of internal area, sitting on a 265 m2 plot.
Locally, houses of this size normally have 3 bedrooms with a garden.
Our estimate of the sale value of 25, Heol Islwyn, Porth is £148,629 and its rental estimate is £848 per month, given the available information and assuming reasonable condition.
Heol Islwyn, Tonyrefail, Porth, CF39 falls within the CF39 postal district.
Our Data Sources
25, Heol Islwyn, Porth has no recent1 records in the the Land Registry and a single entry in the EPC database dated May 2025.
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.
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 25, Heol Islwyn, Porth, we estimate a market value of £156,060 and a rental value of £890 per month when presented in very good decorative order. Should the property require extensive cosmetic improvement, those figures would reduce to £138,225 and £789 per month respectively.
Recent Market Change
Over the last year, 25, Heol Islwyn, Porth has seen its estimated sale value move up by £3,068 (2.1%) and its estimated rental value increase by £33 per month (3.9%). This results in an estimated gross rental yield of 6.8%.
Plot Size
HM Land Registry records the plot of land for 25, Heol Islwyn, Porth as measuring 265 m2.
That makes it the 35th largest plot in the postcode, where all 48 other houses have recorded plot data.
Energy Efficiency
25, Heol Islwyn, Porth has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 28 May 2025.
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 25, Heol Islwyn, Porth completed on 12th August 2005 at £70,000 and was recorded by HM Land Registry as a freehold house.
Since 1995 this is the property's only sale.
- Sold Aug 2005£70,000
Similar Properties Sold Nearby
Over the past 2 years 3 properties similar to 25, Heol Islwyn, Porth have sold within a radius of 860 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.
More reading links
Location Comparison
Of the 48 addresses on Heol Islwyn, Tonyrefail, Porth, CF39, 25, Heol Islwyn, Porth comes out as the 28th largest and the 28th most expensive in our analysis of the public data.
It is also £3k more expensive than the average property across the CF39 district.
More reading links
Schools Nearby
Public Transport Nearby
From 25, 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.
