Our Data Sources
43, Lon-Y-Celyn, Treharris has no records in the Land Registry and a single entry in the EPC database dated October 2021.
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 43, Lon-Y-Celyn, Treharris, we estimate a market value of £231,549 and a rental value of £1,208 per month when presented in very good decorative order. Should the property require extensive cosmetic improvement, those figures would reduce to £205,086 and £1,070 per month respectively.
Plot Size
HM Land Registry records the plot of land for 43, Lon-Y-Celyn, Treharris as measuring 220 m2.
That makes it the 46th largest plot in the postcode, where 51 of the 52 other houses have recorded plot data.
Energy Efficiency
43, Lon-Y-Celyn, Treharris has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 20 Oct 2021.
The property is connected to mains gas and has fully double glazed windows. It is heated using a boiler and radiators (mains gas).
Similar Properties Sold Nearby
Since 2009 27 properties similar to 43, Lon-Y-Celyn, Treharris have sold within a radius of 860 metres, per the Land Registry and our network of Estate Agents.
The latest, on the 29th August 2025, was 17, Ashgrove Terrace, Treharris, CF46 6LS, a freehold house which sold for £249,950.
Read more about house prices in CF46.
- Sold Aug 2025£249,950 | 3 Bed House17, Ashgrove Terrace, Treharris, CF46 6LS17, Ashgrove Terrace, Treharris, CF46 6LS
- Sold Dec 2024£222,500 | 3 Bed House41, Tawel Fan, Treharris, CF46 6EH41, Tawel Fan, Treharris, CF46 6EH
- Sold Dec 2024£225,000 | 3 Bed House16, Ashgrove Terrace, Treharris, CF46 6LS16, Ashgrove Terrace, Treharris, CF46 6LS
- Sold Oct 2023£203,000 | 3 Bed House34, Tawel Fan, Treharris, CF46 6EH34, Tawel Fan, Treharris, CF46 6EH
- Sold Mar 2022£118,000 | 3 Bed House30, Commercial Street, Treharris, CF46 6NF30, Commercial Street, Treharris, CF46 6NF
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 £232,080, ranging from £156,024 to £336,385.
- 41 Lon-Y-Celyn
3 Bed House | 8 m | Est. Value: £236,425
- 47 Lon-Y-Celyn
3 Bed House | 20 m | Est. Value: £230,541
- 37 Lon-Y-Celyn
3 Bed House | 27 m | Est. Value: £234,473
- 53 Lon-Y-Celyn
3 Bed House | 31 m | Est. Value: £226,714
- 51 Lon-Y-Celyn
3 Bed House | 33 m | Est. Value: £222,550
Location Comparison
Of the 52 addresses on Lon-Y-Celyn, Nelson, Treharris, CF46, 43, Lon-Y-Celyn, Treharris comes out as the 36th largest and the 36th 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
- Quakers Yard|2.4 km away
- Abercynon|2.8 km away
- Ystrad Mynach|3.7 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.












