19, Pentwyn Avenue, Mountain Ash occupies a 135 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 57th largest.

19, Pentwyn Avenue, Mountain Ash has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 20 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).

Land Registry records and our Estate Agent network show 39 sales of comparable properties within 1.4 kilometres of 19, Pentwyn Avenue, Mountain Ash since 2009.

Most recently, 17, Homerton Street, Mountain Ash, CF45 4YP, a freehold house, sold at £95,000 on the 8th May 2026.

Read more about house prices in CF45.

• Sold May 2026£95,000 | 3 Bed House17, Homerton Street, Mountain Ash, CF45 4YP17, Homerton Street, Mountain Ash, CF45 4YP
• Sold Nov 2025£88,000 | 3 Bed House134, Bryntirion, Mountain Ash, CF45 4EX134, Bryntirion, Mountain Ash, CF45 4EX
• Sold Jun 2024£65,000 | 3 Bed House3, Homerton Street, Mountain Ash, CF45 4YP3, Homerton Street, Mountain Ash, CF45 4YP
• Sold Jan 2024£70,000 | 3 Bed House41, Pentwyn Avenue, Mountain Ash, CF45 4YE41, Pentwyn Avenue, Mountain Ash, CF45 4YE
• Sold Oct 2023£65,000 | 3 Bed House103, Pentwyn Avenue, Mountain Ash, CF45 4YE103, Pentwyn Avenue, Mountain Ash, CF45 4YE
• Sold Jun 2023£165,000 | 3 Bed House59, Pentwyn Avenue, Mountain Ash, CF45 4YE59, Pentwyn Avenue, Mountain Ash, CF45 4YE
• Sold Mar 2023£90,000 | 3 Bed House131, Pentwyn Avenue, Mountain Ash, CF45 4YE131, Pentwyn Avenue, Mountain Ash, CF45 4YE
• Sold Oct 2022£114,995 | 3 Bed House133, Bryntirion, Mountain Ash, CF45 4EX133, Bryntirion, Mountain Ash, CF45 4EX
• Sold Mar 2021£57,500 | 3 Bed House70, Bryntirion, Mountain Ash, CF45 4EX70, Bryntirion, Mountain Ash, CF45 4EX
• Sold May 2020£44,000 | 3 Bed House99, Pentwyn Avenue, Mountain Ash, CF45 4YE99, Pentwyn Avenue, Mountain Ash, CF45 4YE
• Sold Dec 2019£60,000 | 3 Bed House89, Pentwyn Avenue, Mountain Ash, CF45 4YE89, Pentwyn Avenue, Mountain Ash, CF45 4YE
• Sold Aug 2019£50,000 | 3 Bed House3, Pentwyn Avenue, Mountain Ash, CF45 4YE3, Pentwyn Avenue, Mountain Ash, CF45 4YE
• Sold Feb 2019£50,000 | 3 Bed House27, Walsh Street, Mountain Ash, CF45 4YS27, Walsh Street, Mountain Ash, CF45 4YS
• Sold Feb 2019£30,000 | 3 Bed House1, Pentwyn Avenue, Mountain Ash, CF45 4YE1, Pentwyn Avenue, Mountain Ash, CF45 4YE
• Sold Jul 2018£48,000 | 3 Bed House113, Bryntirion, Mountain Ash, CF45 4EX113, Bryntirion, Mountain Ash, CF45 4EX
• Sold Jun 2016£68,500 | 3 Bed House17, Walsh Street, Mountain Ash, CF45 4YS17, Walsh Street, Mountain Ash, CF45 4YS
• Sold Nov 2015£65,000 | 3 Bed House21, Walsh Street, Mountain Ash, CF45 4YS21, Walsh Street, Mountain Ash, CF45 4YS
• Sold Jun 2015£36,000 | 3 Bed House43, Pentwyn Avenue, Mountain Ash, CF45 4YE43, Pentwyn Avenue, Mountain Ash, CF45 4YE
• Sold Jan 2013£40,000 | 3 Bed House15, Pentwyn Avenue, Mountain Ash, CF45 4YE15, Pentwyn Avenue, Mountain Ash, CF45 4YE
• Sold Mar 2009£66,500 | 3 Bed House25, Pentwyn Avenue, Mountain Ash, CF45 4YE25, Pentwyn Avenue, Mountain Ash, CF45 4YE

Our analysis of the public data ranks 19, Pentwyn Avenue, Mountain Ash as the 17th largest and the 54th most expensive of the 111 addresses on Pentwyn Avenue, Mountain Ash, CF45.

Against the CF45 postcode district average, it is £71k less expensive than the typical property.

• Penrhiwceiber

  |

  1.0 km away
• Quakers Yard

  |

  2.2 km away
• Abercynon

  |

  2.7 km away

Environment Agency data suggests this area has a Very Low risk of flooding.