Our Data Sources
31, William Street, Mountain Ash has 3 entries in the Land Registry , most recently in March 2017 and a single entry in the EPC database dated October 2020.
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
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 31, William Street, Mountain Ash, we estimate a market value of £164,291 and a rental value of £924 per month when presented in very good decorative order. Should the property require extensive cosmetic improvement, those figures would reduce to £145,515 and £819 per month respectively.
Plot Size
HM Land Registry records the plot of land for 31, William Street, Mountain Ash as measuring 111 m2.
That makes it the 26th largest plot in the postcode, where 27 of the 33 other houses have recorded plot data.
Energy Efficiency
31, William Street, Mountain Ash has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 16 Oct 2020.
The property is connected to mains gas and has fully double glazed windows. It is heated using Boiler and radiators, mains gas.
Sold Prices
The most recent sale of 31, William Street, Mountain Ash completed on 15th March 2017 at £68,000 and was recorded by HM Land Registry as a freehold house.
Since 1995 the property has sold 3 times.
Values of comparable properties have risen by 67.2% over the period since March 2017.
- Sold Mar 2017£68,000
- Sold Oct 2009£55,000
- Sold Apr 2009£80,000
Similar Properties Sold Nearby
Over the past 2 years 287 properties similar to 31, William Street, Mountain Ash have sold within a radius of 1.4 kilometres, per the Land Registry and our network of Estate Agents.
The latest, on the 8th May 2025, was 23, William Street, Mountain Ash, CF45 4RW, a freehold house which sold for £155,000.
Read more about house prices in CF45.
- Sold May 2025£155,000 | 3 Bed House23, William Street, Mountain Ash, CF45 4RW23, William Street, Mountain Ash, CF45 4RW
- Sold Apr 2023£159,995 | 3 Bed House10, William Street, Mountain Ash, CF45 4RW10, William Street, Mountain Ash, CF45 4RW
- Sold Nov 2022£144,950 | 3 Bed House19, William Street, Mountain Ash, CF45 4RW19, William Street, Mountain Ash, CF45 4RW
•Nearby is defined as the radius comprising the nearest 2,000 addresses.
More reading links
Location Comparison
Of the 33 addresses on William Street, Abercynon, Mountain Ash, CF45, 31, William Street, Mountain Ash comes out as the 20th largest and the 20th most expensive in our analysis of the public data.
It is also £4k less expensive than the average property across the CF45 district.
More reading links
Schools Nearby
Public Transport Nearby
- Abercynon|200 m away
- Quakers Yard|1.9 km away
- Penrhiwceiber|3.6 km away
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.
