Our Data Sources
25, Pentwyn Avenue, Mountain Ash has 31 entries in the Land Registry, most recently in March 2009 and a single entry in the EPC database dated January 2009.
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.
1Sales dated prior to 2007 are shown, but are not used in our calculations.
Price Range & Condition
In very good condition, we estimate 25, Pentwyn Avenue, Mountain Ash would be worth £92,443, with a potential rental value of £630 per month.
If substantial cosmetic improvements are needed, the estimated sale value falls to £81,878, with a rental value of £558 per month.
The extent to which decoration affects a property's value depends on its type, size and location.
Plot Size
25, Pentwyn Avenue, Mountain Ash occupies a 159 m2 plot as recorded by HM Land Registry.
Of the 66 other houses in this postcode, 63 have recorded plot sizes, and this one ranks as the 15th largest.
Energy Efficiency
25, Pentwyn Avenue, Mountain Ash has an Energy Performance Rating (EPC) of E. This is based on the most recent assessment, dated 22 Jan 2009.
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
25, Pentwyn Avenue, Mountain Ash last changed hands on 27th March 2009, selling for £66,500. The transaction was logged as a freehold house by HM Land Registry.
In total it has sold 3 times since 1995.
The market for similar properties has risen by 177.8% since March 2009.
- Sold Mar 2009£66,500
- Sold Jun 2007£72,500
- Sold Jun 1998£23,500
Similar Properties Sold Nearby
Land Registry records and our Estate Agent network show 77 sales of comparable properties within 1.4 kilometres of 25, Pentwyn Avenue, Mountain Ash since 2019.
Most recently, 206, Bryntirion, Mountain Ash, CF45 4EJ, a freehold house, sold at £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 May 2026£95,000 | 3 Bed House17, Homerton Street, Mountain Ash, CF45 4YP17, Homerton Street, Mountain Ash, CF45 4YP
- Sold Dec 2025£82,950 | 3 Bed House96, Bryntirion, Mountain Ash, CF45 4EX96, Bryntirion, Mountain Ash, CF45 4EX
- Sold Nov 2025£88,000 | 3 Bed House134, Bryntirion, Mountain Ash, CF45 4EX134, 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
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 £96,426, ranging from £79,186 to £141,832.
- 23 Pentwyn Avenue
3 Bed House | 6 m | Est. Value: £88,782
- 21 Pentwyn Avenue
3 Bed House | 10 m | Est. Value: £90,669
- 29 Pentwyn Avenue
3 Bed House | 11 m | Est. Value: £80,779
- 31 Pentwyn Avenue
5 Bed House | 15 m | Est. Value: £139,750
- 19 Pentwyn Avenue
3 Bed House | 16 m | Est. Value: £91,598
Location Comparison
Our analysis of the public data ranks 25, Pentwyn Avenue, Mountain Ash as the 35th largest and the 68th most expensive of the 111 addresses on Pentwyn Avenue, Mountain Ash, CF45.
Against the CF45 postcode district average, it is £75k less expensive than the typical property.
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
Ofcom's latest figures show superfast broadband available in this area.
According to recent data from Ofcom, Superfast Broadband available in this area.
Risk of Flooding
Environment Agency data suggests this area has a Very Low risk of flooding.
