Our Data Sources
66, Pentwyn Avenue, Mountain Ash has 2 entries in the Land Registry, most recently in April 2021 and a single entry in the EPC database dated June 2014.
We combine this information with that of neighbouring properties to estimate the property attributes and values.
The local information is scored as 5 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 66, Pentwyn Avenue, Mountain Ash is in very good condition we estimate a sale value of £143,247 and a rental value of £873 per month.
However, if the property needs a lot of cosmetic work we estimate a sale value of £126,875 and a rental value of £773 per month.
Plot Size
According to data from HM Land Registry, 66, Pentwyn Avenue, Mountain Ash sits on a plot of 193 m2.
We have plot size data on 41 out of 45 other houses in the postcode and 66, Pentwyn Avenue, Mountain Ash sits on the 20th largest plot.
Energy Efficiency
66, Pentwyn Avenue, Mountain Ash has an Energy Performance Rating (EPC) of E. This is based on the most recent assessment, dated 03 Jun 2014.
The property is connected to mains gas and has partial double glazing. It is heated using a boiler and radiators (mains gas).
Sold Prices
According to HM Land Registry, 66, Pentwyn Avenue, Mountain Ash was last sold on 19th April 2021 for £98,000 and was recorded as a freehold house.
The property has had 2 sales since 1995.
Since April 2021, the market for similar properties has risen by 105.3%.
- Sold Apr 2021£98,000
- Sold Nov 2014£41,000
Similar Properties Sold Nearby
According to the Land Registry and our network of Estate Agents, there have been 102 sales of properties similar to 66, Pentwyn Avenue, Mountain Ash within a radius of 1.3 kilometres since 2007.
The most recent example is 52, Pentwyn Avenue, Mountain Ash, CF45 4YF, a freehold house which sold for £30,000 on the 19th June 2026.
Read more about house prices in CF45.
- Sold Jun 2026£30,000 | 3 Bed House52, Pentwyn Avenue, Mountain Ash, CF45 4YF52, Pentwyn Avenue, Mountain Ash, CF45 4YF
- Sold Apr 2026£83,000 | 3 Bed House10, Pentwyn Avenue, Mountain Ash, CF45 4YF10, Pentwyn Avenue, Mountain Ash, CF45 4YF
- Sold Mar 2026£147,000 | 3 Bed House92, Pentwyn Avenue, Mountain Ash, CF45 4YF92, Pentwyn Avenue, Mountain Ash, CF45 4YF
- Sold Feb 2026£95,000 | 3 Bed House11, Glanlay Street, Mountain Ash, CF45 3TL11, Glanlay Street, Mountain Ash, CF45 3TL
- Sold Nov 2025£135,000 | 3 Bed House9, Cynon Terrace, Mountain Ash, CF45 3SU9, Cynon Terrace, Mountain Ash, CF45 3SU
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 £102,015, ranging from £77,560 to £151,508.
- 70 Pentwyn Avenue
3 Bed House | 13 m | Est. Value: £121,450
- 72 Pentwyn Avenue
3 Bed House | 20 m | Est. Value: £128,831
- 113 Pentwyn Avenue
3 Bed House | 22 m | Est. Value: £82,299
- 111 Pentwyn Avenue
3 Bed House | 22 m | Est. Value: £82,854
- 115 Pentwyn Avenue
3 Bed House | 23 m | Est. Value: £81,303
Location Comparison
Pentwyn Avenue, Mountain Ash, CF45 has a total of 111 addresses. According to our analysis of all the public data, 66, Pentwyn Avenue, Mountain Ash is the 23rd largest and the 12th most expensive property on the street.
When compared to the postcode district it is £26k 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
- Mountain Ash|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.
