Our Data Sources
10, William Street, Mountain Ash has a single entry in the Land Registry from April 2023 and a single entry in the EPC database dated February 2022.
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
In very good condition, we estimate 10, William Street, Mountain Ash would be worth £166,125, with a potential rental value of £927 per month.
If substantial cosmetic improvements are needed, the estimated sale value falls to £147,139, with a rental value of £821 per month.
The extent to which decoration affects a property's value depends on its type, size and location.
Energy Efficiency
10, William Street, Mountain Ash has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 14 Feb 2022.
The property is connected to mains gas and has fully double glazed windows. It is heated using Boiler and radiators, mains gas.
Sold Prices
10, William Street, Mountain Ash last changed hands on 21st April 2023, selling for £159,995. The transaction was logged as a freehold house by HM Land Registry.
That is its only recorded sale since 1995.
The market for similar properties has risen by 10.4% since April 2023.
- Sold Apr 2023£159,995
Similar Properties Sold Nearby
Land Registry records and our Estate Agent network show 300 sales of comparable properties within 1.3 kilometres of 10, William Street, Mountain Ash across the last 2 years.
Most recently, 23, William Street, Mountain Ash, CF45 4RW, a freehold house, sold at £155,000 on the 8th May 2025.
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 Dec 2022£103,618 | 3 Bed House8, William Street, Mountain Ash, CF45 4RW8, 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
Our analysis of the public data ranks 10, William Street, Mountain Ash as the 13th largest and the 13th most expensive of the 33 addresses on William Street, Abercynon, Mountain Ash, CF45.
Against the CF45 postcode district average, it is £2k less expensive than the typical property.
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
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.
