Our Data Sources
11 Street, Mountain Ash has a single entry in the Land Registry from November 2018 and a single entry in the EPC database dated February 2018.
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 Street, Mountain Ash, we estimate a market value of £149,463 and a rental value of £896 per month when presented in very good decorative order. Should the property require extensive cosmetic improvement, those figures would reduce to £132,382 and £794 per month respectively.
Plot Size
HM Land Registry records the plot of land for 11 Street, Mountain Ash as measuring 124 m2.
That makes it the 17th largest plot in the postcode, where 40 of the 41 other houses have recorded plot data.
Energy Efficiency
11 Street, Mountain Ash has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 02 Feb 2018.
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 Street, Mountain Ash completed on 9th November 2018 at £100,000 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 63.2% over the period since November 2018.
- Sold Nov 2018£100,000
Similar Properties Sold Nearby
Over the past 2 years 159 properties similar to 11 Street, Mountain Ash have sold within a radius of 580 metres, per the Land Registry and our network of Estate Agents.
The latest, on the 17th October 2025, was 59, Arnold Street, Mountain Ash, CF45 4LF, a freehold house which sold for £140,000.
Read more about house prices in CF45.
- Sold Oct 2025£140,000 | 3 Bed House59, Arnold Street, Mountain Ash, CF45 4LF59, Arnold Street, Mountain Ash, CF45 4LF
- Sold Oct 2024£148,500 | 3 Bed House33, Phillip Street, Mountain Ash, CF45 4BE33, Phillip Street, Mountain Ash, CF45 4BE
- Sold May 2021£109,000 | 3 Bed House30, Phillip Street, Mountain Ash, CF45 4BE30, Phillip Street, Mountain Ash, CF45 4BE
•Nearby is defined as the radius comprising the nearest 2,000 addresses.
More reading links
Location Comparison
Of the 41 addresses on London Street, Mountain Ash, CF45, 11 Street, Mountain Ash comes out as the 5th largest and the 5th most expensive in our analysis of the public data.
It is also £18k less expensive than the average property across the CF45 district.
More reading links
Schools Nearby
Public Transport Nearby
- Mountain Ash|300 m away
- Fernhill|1.4 km away
- Penrhiwceiber|2.0 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.
