Our Data Sources
35, Pentwyn Avenue, Mountain Ash has a single entry in the Land Registry from September 2017 and a single entry in the EPC database dated September 2015.
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
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 35, Pentwyn Avenue, Mountain Ash is in very good condition we estimate a sale value of £83,145 and a rental value of £601 per month.
However, if the property needs a lot of cosmetic work we estimate a sale value of £73,643 and a rental value of £532 per month.
Plot Size
According to data from HM Land Registry, 35, Pentwyn Avenue, Mountain Ash sits on a plot of 157 m2.
We have plot size data on 63 out of 66 other houses in the postcode and 35, Pentwyn Avenue, Mountain Ash sits on the 19th largest plot.
Energy Efficiency
35, Pentwyn Avenue, Mountain Ash has an Energy Performance Rating (EPC) of E. This is based on the most recent assessment, dated 07 Sep 2015.
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, 35, Pentwyn Avenue, Mountain Ash was last sold on 28th September 2017 for £39,999 and was recorded as a freehold house.
The property has only had this single sale since 1995.
Since September 2017, the market for similar properties has risen by 162.1%.
- Sold Sep 2017£39,999
Similar Properties Sold Nearby
According to the Land Registry and our network of Estate Agents, there have been 56 sales of properties similar to 35, Pentwyn Avenue, Mountain Ash within a radius of 1.4 kilometres since 2013.
The most recent example is 206, Bryntirion, Mountain Ash, CF45 4EJ, a freehold house which sold for £80,000 on the 12th June 2026.
Read more about house prices in CF45.
- Sold Jun 2026£80,000 | 3 Bed House206, Bryntirion, Mountain Ash, CF45 4EJ206, Bryntirion, Mountain Ash, CF45 4EJ
- Sold Dec 2025£82,950 | 3 Bed House96, Bryntirion, Mountain Ash, CF45 4EX96, Bryntirion, Mountain Ash, CF45 4EX
- Sold Oct 2025£60,500 | 3 Bed House123, Pentwyn Avenue, Mountain Ash, CF45 4YE123, Pentwyn Avenue, Mountain Ash, CF45 4YE
- Sold May 2025£86,000 | 3 Bed House179, Bryntirion, Mountain Ash, CF45 4PJ179, Bryntirion, Mountain Ash, CF45 4PJ
- Sold Apr 2024£80,000 | 3 Bed House199, Bryntirion, Mountain Ash, CF45 4PJ199, Bryntirion, Mountain Ash, CF45 4PJ
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 £101,129, ranging from £79,721 to £141,832.
- 37 Pentwyn Avenue
3 Bed House | 4 m | Est. Value: £79,721
- 33 Pentwyn Avenue
3 Bed House | 5 m | Est. Value: £83,683
- 31 Pentwyn Avenue
5 Bed House | 11 m | Est. Value: £139,750
- 29 Pentwyn Avenue
3 Bed House | 15 m | Est. Value: £80,779
- 41 Pentwyn Avenue
3 Bed House | 16 m | Est. Value: £88,782
Location Comparison
Pentwyn Avenue, Mountain Ash, CF45 has a total of 111 addresses. According to our analysis of all the public data, 35, Pentwyn Avenue, Mountain Ash is the 99th largest and the 106th most expensive property on the street.
When compared to the postcode district it is £84k less expensive than the average property in CF45.
More reading links
Schools Nearby
Public Transport Nearby
- Penrhiwceiber|1.0 km away
- Quakers Yard|2.2 km away
- Abercynon|2.7 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.












