Our Data Sources
11, Church Street, Mountain Ash has a single entry in the Land Registry from September 2018 and a single entry in the EPC database dated November 2025.
We combine this information with that of neighbouring properties to estimate the property attributes and values.
The local information is scored as 3 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 11, Church Street, Mountain Ash, we estimate a market value of £122,171 and a rental value of £817 per month when presented in very good decorative order. Should the property require extensive cosmetic improvement, those figures would reduce to £108,209 and £723 per month respectively.
Plot Size
HM Land Registry records the plot of land for 11, Church Street, Mountain Ash as measuring 101 m2.
That makes it the 26th largest plot in the postcode, where 27 of the 35 other houses have recorded plot data.
Energy Efficiency
11, Church Street, Mountain Ash has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 14 Nov 2025.
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 11, Church Street, Mountain Ash completed on 27th September 2018 at £56,500 and was recorded by HM Land Registry as a freehold house.
Since 1995 this is the property's only sale.
Values of comparable properties have risen by 106.2% over the period since September 2018.
- Sold Sep 2018£56,500
Similar Properties Sold Nearby
Over the past 2 years 199 properties similar to 11, Church Street, Mountain Ash have sold within a radius of 900 metres, per the Land Registry and our network of Estate Agents.
The latest, on the 10th October 2025, was 27, Station Terrace, Mountain Ash, CF45 3SS, a freehold house which sold for £79,950.
Read more about house prices in CF45.
- Sold Oct 2025£79,950 | 3 Bed House27, Station Terrace, Mountain Ash, CF45 3SS27, Station Terrace, Mountain Ash, CF45 3SS
- Sold Oct 2024£118,000 | 3 Bed House50, Penrhiwceiber Road, Mountain Ash, CF45 3SN50, Penrhiwceiber Road, Mountain Ash, CF45 3SN
- Sold Jan 2024£45,000 | 3 Bed House48, Penrhiwceiber Road, Mountain Ash, CF45 3SN48, Penrhiwceiber Road, Mountain Ash, CF45 3SN
•Nearby is defined as the radius comprising the nearest 2,000 addresses.
More reading links
Location Comparison
Of the 80 addresses on Church Street, Mountain Ash, CF45, 11, Church Street, Mountain Ash comes out as the 42nd largest and the 28th most expensive in our analysis of the public data.
It is also £44k less expensive than the average property across the CF45 district.
More reading links
Schools Nearby
Public Transport Nearby
- Penrhiwceiber|200 m away
- Mountain Ash|1.6 km away
- Merthyr Vale|2.6 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.












