Our Data Sources
7, Heol Isaf, Treharris has a single entry in the Land Registry from June 2012 and a single entry in the EPC database dated March 2026.
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 7, Heol Isaf, Treharris, we estimate a market value of £189,388 and a rental value of £985 per month when presented in very good decorative order. Should the property require extensive cosmetic improvement, those figures would reduce to £167,744 and £872 per month respectively.
Plot Size
HM Land Registry records the plot of land for 7, Heol Isaf, Treharris as measuring 257 m2.
That makes it the 32nd largest plot in the postcode, where all 35 other houses have recorded plot data.
Energy Efficiency
7, Heol Isaf, Treharris has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 16 Mar 2026.
The property is connected to mains gas and has fully double glazed windows. It is heated using a boiler and radiators (mains gas).
Sold Prices
The most recent sale of 7, Heol Isaf, Treharris completed on 20th June 2012 at £108,000 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 5.3% over the period since June 2012.
- Sold Jun 2012£108,000
Similar Properties Sold Nearby
Since 2014 3 properties similar to 7, Heol Isaf, Treharris have sold within a radius of 1.1 kilometres, per the Land Registry and our network of Estate Agents.
The latest, on the 24th October 2025, was 22, Heol Fawr, Treharris, CF46 6NW, a freehold house which sold for £132,000.
Read more about house prices in CF46.
- Sold Oct 2025£132,000 | 3 Bed House22, Heol Fawr, Treharris, CF46 6NW22, Heol Fawr, Treharris, CF46 6NW
- Sold Jun 2024£120,000 | 3 Bed House24, Heol Fawr, Treharris, CF46 6NW24, Heol Fawr, Treharris, CF46 6NW
- Sold Nov 2014£135,000 | 2 Bed House14, Ashgrove Terrace, Treharris, CF46 6LS14, Ashgrove Terrace, Treharris, CF46 6LS
Nearby is defined as the radius comprising the nearest 2,000 addresses.
More reading links
Explore Nearby Properties
The surrounding properties have an average estimated value of £233,150, ranging from £149,416 to £304,905.
- 11 Heol Isaf
3 Bed House | 21 m | Est. Value: £220,440
- 1 Heol Isaf
3 Bed House | 30 m | Est. Value: £218,734
- 6 Heol Isaf
3 Bed House | 38 m | Est. Value: £240,213
- 8 Heol Isaf
3 Bed House | 41 m | Est. Value: £247,493
- 2 Heol Isaf
4 Bed House | 42 m | Est. Value: £304,905
Location Comparison
Of the 35 addresses on Heol Isaf, Nelson, Treharris, CF46, 7, Heol Isaf, Treharris comes out as the 34th largest and the 33rd most expensive in our analysis of the public data.
It is also £20k more expensive than the average property across the CF46 district.
More reading links
Schools Nearby
Public Transport Nearby
- Ystrad Mynach|2.7 km away
- Quakers Yard|3.4 km away
- Abercynon|3.4 km away
Available Internet Speeds
Broadband here reaches superfast speeds, based on recent Ofcom data.
According to recent data from Ofcom, Superfast Broadband available in this area.
Risk of Flooding
The flood risk here is rated Very Low, based on Environment Agency data.
