Our Data Sources
21, Ashgrove, Treharris has no records in the Land Registry and a single entry in the EPC database dated March 2026.
We combine this information with public data of neighbouring properties to estimate the property attributes and values.
The local information is scored as 3 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 21, Ashgrove, Treharris, we estimate a market value of £245,416 and a rental value of £1,231 per month when presented in very good decorative order. Should the property require extensive cosmetic improvement, those figures would reduce to £217,368 and £1,090 per month respectively.
Plot Size
HM Land Registry records the plot of land for 21, Ashgrove, Treharris as measuring 331 m2.
That makes it the 17th largest plot in the postcode, where 21 of the 23 other houses have recorded plot data.
Energy Efficiency
21, Ashgrove, Treharris has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 09 Mar 2026.
The property is connected to mains gas and has high performance glazing. It is heated using a boiler and radiators (mains gas).
Similar Properties Sold Nearby
Since 2007 12 properties similar to 21, Ashgrove, Treharris have sold within a radius of 1.1 kilometres, per the Land Registry and our network of Estate Agents.
The latest, on the 27th June 2025, was 19, Ashgrove, Treharris, CF46 5PH, a freehold house which sold for £185,000.
Read more about house prices in CF46.
- Sold Jun 2025£185,000 | 3 Bed House19, Ashgrove, Treharris, CF46 5PH19, Ashgrove, Treharris, CF46 5PH
- Sold Dec 2022£90,000 | 3 Bed House18, Forest Grove, Treharris, CF46 5NG18, Forest Grove, Treharris, CF46 5NG
- Sold Jun 2022£240,000 | 3 Bed House26, Cardiff Road, Treharris, CF46 5DU26, Cardiff Road, Treharris, CF46 5DU
- Sold Aug 2021£210,000 | 3 Bed House20, Ashgrove, Treharris, CF46 5PH20, Ashgrove, Treharris, CF46 5PH
- Sold Nov 2020£232,500 | 3 Bed House16, Ashgrove, Treharris, CF46 5PH16, Ashgrove, Treharris, CF46 5PH
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 £261,136, ranging from £124,295 to £435,973.
- 22 Ashgrove
3 Bed House | 14 m | Est. Value: £262,282
- 20 Ashgrove
3 Bed House | 16 m | Est. Value: £230,434
- 16 Ashgrove
3 Bed House | 30 m | Est. Value: £214,192
- 19 Ashgrove
3 Bed House | 32 m | Est. Value: £208,546
- 1 Menlo Park
4 Bed House | 39 m | Est. Value: £263,951
Location Comparison
Of the 23 addresses on Ashgrove, Edwardsville, Treharris, CF46, 21, Ashgrove, Treharris comes out as the 21st largest and the 15th most expensive in our analysis of the public data.
It is also £71k more expensive than the average property across the CF46 district.
More reading links
Schools Nearby
Public Transport Nearby
- Quakers Yard|500 m away
- Abercynon|2.3 km away
- Merthyr Vale|2.8 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.
