According to data from HM Land Registry, 103, Pentwyn Avenue, Mountain Ash sits on a plot of 146 m².

We have plot size data on 63 out of 66 other houses in the postcode and 103, Pentwyn Avenue, Mountain Ash sits on the 48th largest plot.

103, Pentwyn Avenue, Mountain Ash has an Energy Performance Rating (EPC) of F. This is based on the most recent assessment, dated 03 Dec 2014.

The property is connected to mains gas and has fully double glazed windows. It is heated using a boiler and radiators (mains gas).

According to HM Land Registry, 103, Pentwyn Avenue, Mountain Ash was last sold on 13th October 2023 for £65,000 and was recorded as a freehold house.

The property has had 3 sales since 1995.

Since October 2023, the market for similar properties has risen by 72.6%.

• Sold Oct 2023£65,000
• Sold Feb 2017£39,000
• Sold Jun 2007£40,000

According to the Land Registry and our network of Estate Agents, there have been 46 sales of properties similar to 103, Pentwyn Avenue, Mountain Ash within a radius of 1.3 kilometres since 2008.

The most recent example is 17, Homerton Street, Mountain Ash, CF45 4YP, a freehold house which sold for £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 Jan 2026£100,000 | 3 Bed House30, Penybryn Terrace, Mountain Ash, CF45 3TJ30, Penybryn Terrace, Mountain Ash, CF45 3TJ
• 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 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 Mar 2011£57,000 | 3 Bed House97, Pentwyn Avenue, Mountain Ash, CF45 4YE97, Pentwyn Avenue, Mountain Ash, CF45 4YE
• Sold Feb 2008£50,000 | 3 Bed House95, Pentwyn Avenue, Mountain Ash, CF45 4YE95, Pentwyn Avenue, Mountain Ash, CF45 4YE

Pentwyn Avenue, Mountain Ash, CF45 has a total of 111 addresses. According to our analysis of all the public data, 103, Pentwyn Avenue, Mountain Ash is the 16th largest and the 53rd most expensive property on the street.

When compared to the postcode district it is £71k less expensive than the average property in CF45.

• Penrhiwceiber

  |

  1.0 km away
• Quakers Yard

  |

  2.2 km away
• Abercynon

  |

  2.7 km away

According to data from the Environment Agency, the flood risk in this area is considered to be Very Low.