Our Data Sources
21, Ashgrove Terrace, Treharris has a single entry in the Land Registry from November 2023 and a single entry in the EPC database dated August 2023.
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
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 21, Ashgrove Terrace, Treharris is in very good condition we estimate a sale value of £256,071 and a rental value of £1,313 per month.
However, if the property needs a lot of cosmetic work we estimate a sale value of £226,806 and a rental value of £1,163 per month.
Plot Size
According to data from HM Land Registry, 21, Ashgrove Terrace, Treharris sits on a plot of 272 m2.
We have plot size data on 46 out of 47 other houses in the postcode and 21, Ashgrove Terrace, Treharris sits on the 33rd largest plot.
Energy Efficiency
21, Ashgrove Terrace, Treharris has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 15 Aug 2023.
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
According to HM Land Registry, 21, Ashgrove Terrace, Treharris was last sold on 1st November 2023 for £213,675 and was recorded as a freehold house.
The property has only had this single sale since 1995.
Since November 2023, the market for similar properties has dropped by 14.4%.
- Sold Nov 2023£213,675
Similar Properties Sold Nearby
According to the Land Registry and our network of Estate Agents, there have been 126 sales of properties similar to 21, Ashgrove Terrace, Treharris within a radius of 810 metres since 2010.
The most recent example is 5, Tawel Fan, Treharris, CF46 6EH, a freehold house which sold for £227,500 on the 5th June 2026.
Read more about house prices in CF46.
- Sold Jun 2026£227,500 | 3 Bed House5, Tawel Fan, Treharris, CF46 6EH5, Tawel Fan, Treharris, CF46 6EH
- Sold Apr 2026£230,000 | 3 Bed House8, Ffos Close, Treharris, CF46 6EL8, Ffos Close, Treharris, CF46 6EL
- Sold Feb 2026£259,950 | 3 Bed House61, Tawel Fan, Treharris, CF46 6EH61, Tawel Fan, Treharris, CF46 6EH
- Sold Jan 2026£190,000 | 3 Bed House2, Ffos Y Cerridden, Treharris, CF46 6HQ2, Ffos Y Cerridden, Treharris, CF46 6HQ
- Sold Jan 2026£172,500 | 3 Bed House41, Beech Tree Way, Treharris, CF46 6NU41, Beech Tree Way, Treharris, CF46 6NU
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 £234,654, ranging from £192,716 to £346,030.
- 23 Ashgrove Terrace
3 Bed House | 6 m | Est. Value: £249,656
- 19 Ashgrove Terrace
3 Bed House | 14 m | Est. Value: £232,086
- 17 Ashgrove Terrace
3 Bed House | 23 m | Est. Value: £234,075
- 14 Ashgrove Terrace
2 Bed House | 31 m | Est. Value: £205,715
- 21 High Close
3 Bed House | 34 m | Est. Value: £206,999
Location Comparison
Ashgrove Terrace, Nelson, Treharris, CF46 has a total of 62 addresses. According to our analysis of all the public data, 21, Ashgrove Terrace, Treharris is the 42nd largest and the 31st most expensive property on the street.
When compared to the postcode district it is £81k more expensive than the average property in CF46.
More reading links
Schools Nearby
Public Transport Nearby
- Quakers Yard|2.9 km away
- Abercynon|3.0 km away
- Ystrad Mynach|3.2 km away
Available Internet Speeds
According to recent data from Ofcom, Superfast Broadband is available in this area.
According to recent data from Ofcom, Superfast Broadband available in this area.
Risk of Flooding
According to data from the Environment Agency, the flood risk in this area is considered to be Very Low.





