Our Data Sources
21, Tallis Street, Treorchy has a single entry in the Land Registry from July 2025 and a single entry in the EPC database dated October 2024.
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, Tallis Street, Treorchy is in very good condition we estimate a sale value of £94,935 and a rental value of £661 per month.
However, if the property needs a lot of cosmetic work we estimate a sale value of £84,085 and a rental value of £586 per month.
Plot Size
According to data from HM Land Registry, 21, Tallis Street, Treorchy sits on a plot of 148 m2.
We have plot size data on 27 out of 27 other houses in the postcode and 21, Tallis Street, Treorchy sits on the 27th largest plot.
Energy Efficiency
21, Tallis Street, Treorchy has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 14 Oct 2024.
The property is connected to mains gas and has fully double glazed windows. It is heated using Boiler and radiators, mains gas.
Sold Prices
According to HM Land Registry, 21, Tallis Street, Treorchy was last sold on 31st July 2025 for £77,500 and was recorded as a freehold house.
The property has only had this single sale since 1995.
Since July 2025, the market for similar properties has risen by 18.4%.
- Sold Jul 2025£77,500
Similar Properties Sold Nearby
According to the Land Registry and our network of Estate Agents, there have been 3 sales of properties similar to 21, Tallis Street, Treorchy within a radius of 1.4 kilometres over the last 2 years.
The most recent example is 22, Treharne Street, Treorchy, CF42 6LH, a freehold house which sold for £93,000 on the 3rd November 2025.
Read more about house prices in CF42.
- Sold Nov 2025£93,000 | 3 Bed House22, Treharne Street, Treorchy, CF42 6LH22, Treharne Street, Treorchy, CF42 6LH
- Sold Aug 2023£74,000 | 3 Bed House26, Tallis Street, Treorchy, CF42 6LT26, Tallis Street, Treorchy, CF42 6LT
- Sold Jan 2020£62,000 | 3 Bed House25, Tallis Street, Treorchy, CF42 6LT25, Tallis Street, Treorchy, CF42 6LT
•Nearby is defined as the radius comprising the nearest 2,000 addresses.
More reading links
Location Comparison
Tallis Street, Treorchy, CF42 has a total of 125 addresses. According to our analysis of all the public data, 21, Tallis Street, Treorchy is the 61st largest and the 106th most expensive property on the street.
When compared to the postcode district it is £61k less expensive than the average property in CF42.
More reading links
Schools Nearby
Public Transport Nearby
- 1.3kmTreorchy
- 1.4kmYnyswen
- 2.4kmTreherbert
Available Internet Speeds
According to recent data from Ofcom, superfast broadband is available in this area.
According to recent data from Ofcom, Superfast broadband is available in the area.
Risk of Flooding
According to data from the Environment Agency, the flood risk in this area is considered to be very low.












