6, Heol Isaf
6, Heol Isaf
Description & Estimates







6, Heol Isaf, Porth is described in the public record as a mid-century house with 1,001 ft2 of internal area, sitting on a 218 m2 plot.
Locally, houses of this size normally have 3 bedrooms with a garden.
Our estimate of the sale value of 6, Heol Isaf, Porth is £112,476 and its rental estimate is £726 per month, given the available information and assuming reasonable condition.
Heol Isaf, Tonyrefail, Porth, CF39 falls within the CF39 postal district.
Our Data Sources
6, Heol Isaf, Porth has no records in the the Land Registry and a single entry in the EPC database dated June 2025.
We combine this information with public data of neighbouring properties to estimate the property attributes and values.
The local information is scored as 1 out of 5 and is considered of low 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 6, Heol Isaf, Porth, we estimate a market value of £118,100 and a rental value of £762 per month when presented in very good decorative order. Should the property require extensive cosmetic improvement, those figures would reduce to £104,603 and £675 per month respectively.
Recent Market Change
Over the last year, 6, Heol Isaf, Porth has seen its estimated sale value move up by £2,322 (2.1%) and its estimated rental value increase by £28 per month (3.9%). This results in an estimated gross rental yield of 7.7%.
Plot Size
HM Land Registry records the plot of land for 6, Heol Isaf, Porth as measuring 218 m2.
That makes it the 16th largest plot in the postcode, where 16 of the 17 other houses have recorded plot data.
Energy Efficiency
6, Heol Isaf, Porth has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 05 Jun 2025.
The property is connected to mains gas and has fully double glazed windows. It is heated using Boiler and radiators, mains gas.
Similar Properties Sold Nearby
Over the past 2 years 3 properties similar to 6, Heol Isaf, Porth have sold within a radius of 1.4 kilometres, per the Land Registry and our network of Estate Agents.
The latest, on the 2nd February 2026, was 8, Heol Pymmer, Porth, CF39 8DN, a freehold house which sold for £110,000.
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 17 addresses on Heol Isaf, Tonyrefail, Porth, CF39, 6, Heol Isaf, Porth comes out as the 12th largest and the 12th most expensive in our analysis of the public data.
It is also £33k less expensive than the average property across the CF39 district.
More reading links
Schools Nearby
Public Transport Nearby
From 6, Heol Isaf, Porth, the nearest station is Llanharan, 3.9 kilometres away.
- 3.9kmLlanharan
- 4.8kmPorth
- 5.3kmTrehafod
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.

