Our Data Sources
20, Illtyd Street, Treorchy has no records in the the Land Registry and a single entry in the EPC database dated November 2019.
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
In very good condition, we estimate 20, Illtyd Street, Treorchy would be worth £167,167, with a potential rental value of £912 per month.
If substantial cosmetic improvements are needed, the estimated sale value falls to £148,062, with a rental value of £807 per month.
The extent to which decoration affects a property's value depends on its type, size and location.
Plot Size
20, Illtyd Street, Treorchy occupies a 142 m2 plot as recorded by HM Land Registry.
Of the 22 other houses in this postcode, 20 have recorded plot sizes, and this one ranks as the 5th largest.
Energy Efficiency
20, Illtyd Street, Treorchy has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 06 Nov 2019.
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
Land Registry records and our Estate Agent network show 218 sales of comparable properties within 590 metres of 20, Illtyd Street, Treorchy across the last 2 years.
Most recently, 8, Conway Road, Treorchy, CF42 6UW, a freehold house, sold at £87,000 on the 22nd August 2025.
Read more about house prices in CF42.
- Sold Aug 2025£87,000 | 3 Bed House8, Conway Road, Treorchy, CF42 6UW8, Conway Road, Treorchy, CF42 6UW
- Sold Mar 2025£130,000 | 3 Bed House45, Clark Street, Treorchy, CF42 6BE45, Clark Street, Treorchy, CF42 6BE
- Sold Sep 2024£135,000 | 3 Bed House5, Clark Street, Treorchy, CF42 6BE5, Clark Street, Treorchy, CF42 6BE
•Nearby is defined as the radius comprising the nearest 2,000 addresses.
More reading links
Location Comparison
Our analysis of the public data ranks 20, Illtyd Street, Treorchy as the 13th largest and the 13th most expensive of the 22 addresses on Illtyd Street, Treorchy, CF42.
Against the CF42 postcode district average, it is £8k more expensive than the typical property.
More reading links
Schools Nearby
Public Transport Nearby
- Treorchy|200 m away
- Ynyswen|1.2 km away
- Ton Pentre|1.9 km away
Available Internet Speeds
Ofcom's latest figures show superfast broadband available in this area.
According to recent data from Ofcom, Superfast Broadband is available in the area.
Risk of Flooding
Environment Agency data suggests this area has a Very Low risk of flooding.












