Our Data Sources
12, King Street, Mountain Ash 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
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 12, King Street, Mountain Ash, we estimate a market value of £115,018 and a rental value of £783 per month when presented in very good decorative order. Should the property require extensive cosmetic improvement, those figures would reduce to £101,873 and £693 per month respectively.
Energy Efficiency
12, King Street, Mountain Ash has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 20 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
Over the past 2 years 70 properties similar to 12, King Street, Mountain Ash have sold within a radius of 670 metres, per the Land Registry and our network of Estate Agents.
The latest, on the 30th May 2025, was 40, Arthur Street, Mountain Ash, CF45 3BL, a leasehold house which sold for £101,000.
Read more about house prices in CF45.
- Sold May 2025£101,000 | 3 Bed House40, Arthur Street, Mountain Ash, CF45 3BL40, Arthur Street, Mountain Ash, CF45 3BL
- Sold May 2025£103,000 | 3 Bed House15, Albany Street, Mountain Ash, CF45 3BE15, Albany Street, Mountain Ash, CF45 3BE
- Sold Jul 2024£108,000 | 3 Bed House41, Arthur Street, Mountain Ash, CF45 3BL41, Arthur Street, Mountain Ash, CF45 3BL
•Nearby is defined as the radius comprising the nearest 2,000 addresses.
More reading links
Location Comparison
Of the 25 addresses on King Street, Miskin, Mountain Ash, CF45, 12, King Street, Mountain Ash comes out as the 21st largest and the 21st most expensive in our analysis of the public data.
It is also £51k less expensive than the average property across the CF45 district.
More reading links
Schools Nearby
Public Transport Nearby
- Penrhiwceiber|1.0 km away
- Mountain Ash|1.0 km away
- Fernhill|2.2 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.












