13, Heol Isaf
13, Heol Isaf
Description & Estimates







According to the public record, 13, Heol Isaf, Porth is a mid-century house with 914 ft2 of internal area and sits on a 278 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 13, Heol Isaf, Porth is £105,780 and the estimated rental value is £702 per month.
Heol Isaf, Tonyrefail, Porth, CF39 is located within the CF39 postal district.
Our Data Sources
13, Heol Isaf, Porth has no records in the the Land Registry and a single entry in the EPC database dated October 2023.
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
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 13, Heol Isaf, Porth is in very good condition we estimate a sale value of £111,069 and a rental value of £738 per month.
However, if the property needs a lot of cosmetic work we estimate a sale value of £98,376 and a rental value of £653 per month.
Recent Market Change
Over the past 12 months, the estimated sale value of 13, Heol Isaf, Porth has increased by £2,184 (2.1%), while its estimated rental value has grown by £27 per month (3.9%). Based on current estimates, the property offers a gross rental yield of 8.0%.
Plot Size
According to data from HM Land Registry, 13, Heol Isaf, Porth sits on a plot of 278 m2.
We have plot size data on 16 out of 17 other houses in the postcode and 13, Heol Isaf, Porth sits on the 7th largest plot.
Energy Efficiency
13, Heol Isaf, Porth has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 03 Oct 2023.
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
According to the Land Registry and our network of Estate Agents, there have been 3 sales of properties similar to 13, Heol Isaf, Porth within a radius of 1.4 kilometres over the last 2 years.
The most recent example is 8, Heol Pymmer, Porth, CF39 8DN, a freehold house which sold for £110,000 on the 2nd February 2026.
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
Heol Isaf, Tonyrefail, Porth, CF39 has a total of 17 addresses. According to our analysis of all the public data, 13, Heol Isaf, Porth is the 14th largest and the 14th most expensive property on the street.
When compared to the postcode district it is £40k less expensive than the average property in CF39.
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Schools Nearby
Public Transport Nearby
The closest station to 13, Heol Isaf, Porth is Llanharan station, which is 3.9 kilometres away.
- 3.9kmLlanharan
- 4.8kmPorth
- 5.3kmTrehafod
Available Internet Speeds
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.
Risk of Flooding
According to data from the Environment Agency, the flood risk in this area is considered to be very low.

