Our Data Sources
4, Lon-Y-Llwyn, Treharris has no records in the the Land Registry and a single entry in the EPC database dated December 2023.
We combine this information with public data of neighbouring properties to estimate the property attributes and values.
The local information is scored as 2 out of 5 and is considered of medium 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 4, Lon-Y-Llwyn, Treharris, we estimate a market value of £226,981 and a rental value of £1,172 per month when presented in very good decorative order. Should the property require extensive cosmetic improvement, those figures would reduce to £201,040 and £1,038 per month respectively.
Plot Size
HM Land Registry records the plot of land for 4, Lon-Y-Llwyn, Treharris as measuring 200 m2.
That makes it the 9th largest plot in the postcode, where all 12 other houses have recorded plot data.
Energy Efficiency
4, Lon-Y-Llwyn, Treharris has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 19 Dec 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
Over the past 2 years 3 properties similar to 4, Lon-Y-Llwyn, Treharris have sold within a radius of 820 metres, per the Land Registry and our network of Estate Agents.
The latest, on the 19th December 2025, was 11, Clos Cae Pwll, Treharris, CF46 6LA, a freehold house which sold for £245,000.
Read more about house prices in CF46.
- Sold Dec 2025£245,000 | 3 Bed House11, Clos Cae Pwll, Treharris, CF46 6LA11, Clos Cae Pwll, Treharris, CF46 6LA
- Sold Dec 2024£222,500 | 3 Bed House41, Tawel Fan, Treharris, CF46 6EH41, Tawel Fan, Treharris, CF46 6EH
- Sold Oct 2023£203,000 | 3 Bed House34, Tawel Fan, Treharris, CF46 6EH34, Tawel Fan, Treharris, CF46 6EH
•Nearby is defined as the radius comprising the nearest 2,000 addresses.
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Location Comparison
Of the 12 addresses on Lon-Y-Llwyn, Nelson, Treharris, CF46, 4, Lon-Y-Llwyn, Treharris comes out as the 12th largest and the 12th most expensive in our analysis of the public data.
It is also £58k more expensive than the average property across the CF46 district.
More reading links
Schools Nearby
Public Transport Nearby
- 2.3kmQuakers Yard
- 2.7kmAbercynon
- 3.7kmYstrad Mynach
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.
