Our Data Sources
11, Arthur Street, Mountain Ash has a single entry in the Land Registry from March 2019 and a single entry in the EPC database dated April 2018.
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
Decorative condition can have a big effect on a property's value and this effect varies depending on the type, size and location of the property.
If 11, Arthur Street, Mountain Ash is in very good condition we estimate a sale value of £101,112 and a rental value of £729 per month.
However, if the property needs a lot of cosmetic work we estimate a sale value of £89,556 and a rental value of £646 per month.
Plot Size
According to data from HM Land Registry, 11, Arthur Street, Mountain Ash sits on a plot of 185 m2.
We have plot size data on 46 out of 51 other houses in the postcode and 11, Arthur Street, Mountain Ash sits on the 3rd largest plot.
Energy Efficiency
11, Arthur Street, Mountain Ash has an Energy Performance Rating (EPC) of E. This is based on the most recent assessment, dated 28 Apr 2018.
The property is connected to mains gas and has fully double glazed windows. It is heated using a boiler and radiators (mains gas).
Sold Prices
According to HM Land Registry, 11, Arthur Street, Mountain Ash was last sold on 1st March 2019 for £50,000 and was recorded as a freehold house.
The property has only had this single sale since 1995.
Since March 2019, the market for similar properties has risen by 89.7%.
- Sold Mar 2019£50,000
Similar Properties Sold Nearby
According to the Land Registry and our network of Estate Agents, there have been 62 sales of properties similar to 11, Arthur Street, Mountain Ash within a radius of 690 metres since 2015.
The most recent example is 47, Victoria Street, Mountain Ash, CF45 3AP, a freehold house which sold for £50,000 on the 27th August 2025.
Read more about house prices in CF45.
- Sold Aug 2025£50,000 | 3 Bed House47, Victoria Street, Mountain Ash, CF45 3AP47, Victoria Street, Mountain Ash, CF45 3AP
- Sold Jul 2025£95,000 | 3 Bed House38, Albert Street, Mountain Ash, CF45 3BA38, Albert Street, Mountain Ash, CF45 3BA
- Sold Jun 2025£66,000 | 3 Bed House40B, Glyngwyn Street, Mountain Ash, CF45 3AF40B, Glyngwyn Street, Mountain Ash, CF45 3AF
- 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
Nearby is defined as the radius comprising the nearest 2,000 addresses.
More reading links
Explore Nearby Properties
The surrounding properties have an average estimated value of £129,922, ranging from £92,960 to £423,132.
- 12 Arthur Street
3 Bed House | 5 m | Est. Value: £113,899
- 10 Arthur Street
3 Bed House | 8 m | Est. Value: £92,960
- 9 Arthur Street
3 Bed House | 12 m | Est. Value: £107,351
- 8 Arthur Street
3 Bed House | 17 m | Est. Value: £93,806
- 15 Arthur Street
3 Bed House | 22 m | Est. Value: £118,233
Location Comparison
Arthur Street, Mountain Ash, CF45 has a total of 51 addresses. According to our analysis of all the public data, 11, Arthur Street, Mountain Ash is the 45th largest and the 45th most expensive property on the street.
When compared to the postcode district it is £64k less expensive than the average property in CF45.
More reading links
Schools Nearby
Public Transport Nearby
- Mountain Ash|1.0 km away
- Penrhiwceiber|1.1 km away
- Fernhill|2.1 km away
Available Internet Speeds
According to recent data from Ofcom, Superfast Broadband is available in this area.
According to recent data from Ofcom, Superfast Broadband available in this area.
Risk of Flooding
According to data from the Environment Agency, the flood risk in this area is considered to be Very Low.












