9, William Street
9, William Street
Description & Estimates
9, William Street, Treorchy is described in the public record as a period house with 796 ft2 of internal area, sitting on a 106 m2 plot.
Locally, houses of this size normally have 3 bedrooms with a garden.
Our estimate of the sale value of 9, William Street, Treorchy is £88,033 and its rental estimate is £622 per month, given the available information and assuming reasonable condition.
William Street, Treherbert, Treorchy, CF42 falls within the CF42 postal district.
Our Data Sources
9, William Street, Treorchy has no records in the the Land Registry and a single entry in the EPC database dated November 2016.
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 9, William Street, Treorchy, we estimate a market value of £92,434 and a rental value of £653 per month when presented in very good decorative order. Should the property require extensive cosmetic improvement, those figures would reduce to £81,871 and £578 per month respectively.
Recent Market Change
Over the last year, 9, William Street, Treorchy has seen its estimated sale value grow by £2,334 (2.7%) and its estimated rental value climb by £25 per month (4.0%). This results in an estimated gross rental yield of 8.5%.
Plot Size
HM Land Registry records the plot of land for 9, William Street, Treorchy as measuring 106 m2.
That makes it the 15th largest plot in the postcode, where 17 of the 19 other houses have recorded plot data.
Energy Efficiency
9, William Street, Treorchy has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 26 Nov 2016.
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
Over the past 2 years 3 properties similar to 9, William Street, Treorchy have sold within a radius of 970 metres, per the Land Registry and our network of Estate Agents.
The latest, on the 19th September 2025, was 57, Margaret Street, Treorchy, CF42 5LT, a freehold house which sold for £78,000.
Read more about house prices in CF42.
•Nearby is defined as the radius comprising the nearest 2,000 addresses.
More reading links
Location Comparison
Of the 37 addresses on William Street, Treherbert, Treorchy, CF42, 9, William Street, Treorchy comes out as the 11th largest and the 11th most expensive in our analysis of the public data.
It is also £64k less expensive than the average property across the CF42 district.
More reading links
Schools Nearby
Public Transport Nearby
From 9, William Street, Treorchy, the nearest station is Treherbert, 700 metres away.
- 700mTreherbert
- 1.9kmYnyswen
- 3.3kmTreorchy
Available Internet Speeds
Broadband here reaches superfast speeds, based on recent Ofcom data.
According to recent data from Ofcom, Superfast broadband is available in the area.
Risk of Flooding
The flood risk here is rated very low, based on Environment Agency data.
