34, Pentwyn Avenue, Mountain Ash occupies a 189 m² plot as recorded by HM Land Registry.

Of the 45 other houses in this postcode, 41 have recorded plot sizes, and this one ranks as the 26th largest.

34, Pentwyn Avenue, Mountain Ash has an Energy Performance Rating (EPC) of E. This is based on the most recent assessment, dated 22 Apr 2014.

The property is not connected to mains gas and has fully double glazed windows. It is heated using a boiler and radiators (mains gas).

34, Pentwyn Avenue, Mountain Ash last changed hands on 10th October 1997, selling for £10,000. The transaction was logged as a freehold house by HM Land Registry.

That is its only recorded sale since 1995.

• Sold Oct 1997£10,000

Land Registry records and our Estate Agent network show 193 sales of comparable properties within 1.4 kilometres of 34, Pentwyn Avenue, Mountain Ash since 2007.

Most recently, 10, Pentwyn Avenue, Mountain Ash, CF45 4YF, a freehold house, sold at £83,000 on the 22nd April 2026.

Read more about house prices in CF45.

• Sold Apr 2026£83,000 | 3 Bed House10, Pentwyn Avenue, Mountain Ash, CF45 4YF10, 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 May 2025£69,000 | 3 Bed House11, Morris Avenue, Mountain Ash, CF45 3TW11, Morris Avenue, Mountain Ash, CF45 3TW
• Sold May 2025£117,500 | 3 Bed House24, Pentwyn Avenue, Mountain Ash, CF45 4YF24, Pentwyn Avenue, Mountain Ash, CF45 4YF
• Sold May 2025£98,000 | 3 Bed House1, Morris Avenue, Mountain Ash, CF45 3TW1, Morris Avenue, Mountain Ash, CF45 3TW
• Sold Dec 2024£100,000 | 3 Bed House7, Halswell Street, Mountain Ash, CF45 4YN7, Halswell Street, Mountain Ash, CF45 4YN
• Sold Nov 2024£80,000 | 3 Bed House60, Pentwyn Avenue, Mountain Ash, CF45 4YF60, Pentwyn Avenue, Mountain Ash, CF45 4YF
• Sold Nov 2024£90,000 | 3 Bed House15, Rheola Street, Mountain Ash, CF45 3TA15, Rheola Street, Mountain Ash, CF45 3TA
• Sold Oct 2024£115,000 | 3 Bed House74, Pentwyn Avenue, Mountain Ash, CF45 4YF74, Pentwyn Avenue, Mountain Ash, CF45 4YF
• Sold Sep 2024£70,000 | 3 Bed House15, Milbourne Street, Mountain Ash, CF45 4YL15, Milbourne Street, Mountain Ash, CF45 4YL
• Sold Jul 2023£85,000 | 3 Bed House1, Glamorgan Street, Mountain Ash, CF45 3HX1, Glamorgan Street, Mountain Ash, CF45 3HX
• Sold Jun 2022£145,000 | 3 Bed House92, Pentwyn Avenue, Mountain Ash, CF45 4YF92, Pentwyn Avenue, Mountain Ash, CF45 4YF
• Sold Apr 2021£98,000 | 3 Bed House66, Pentwyn Avenue, Mountain Ash, CF45 4YF66, Pentwyn Avenue, Mountain Ash, CF45 4YF
• Sold Mar 2021£75,000 | 3 Bed House56, Pentwyn Avenue, Mountain Ash, CF45 4YF56, Pentwyn Avenue, Mountain Ash, CF45 4YF
• Sold Sep 2020£30,000 | 3 Bed House52, Pentwyn Avenue, Mountain Ash, CF45 4YF52, Pentwyn Avenue, Mountain Ash, CF45 4YF
• Sold Feb 2019£60,000 | 3 Bed House9, Halswell Street, Mountain Ash, CF45 4YN9, Halswell Street, Mountain Ash, CF45 4YN
• Sold Apr 2014£50,000 | 3 Bed House80, Pentwyn Avenue, Mountain Ash, CF45 4YF80, Pentwyn Avenue, Mountain Ash, CF45 4YF
• Sold Feb 2014£42,500 | 3 Bed House82, Pentwyn Avenue, Mountain Ash, CF45 4YF82, Pentwyn Avenue, Mountain Ash, CF45 4YF
• Sold Dec 2011£65,000 | 3 Bed House6, Pentwyn Avenue, Mountain Ash, CF45 4YF6, Pentwyn Avenue, Mountain Ash, CF45 4YF
• Sold Jun 2007£58,000 | 3 Bed House72, Pentwyn Avenue, Mountain Ash, CF45 4YF72, Pentwyn Avenue, Mountain Ash, CF45 4YF

Our analysis of the public data ranks 34, Pentwyn Avenue, Mountain Ash as the 41st largest and the 22nd most expensive of the 111 addresses on Pentwyn Avenue, Mountain Ash, CF45.

Against the CF45 postcode district average, it is £49k less expensive than the typical property.

• Penrhiwceiber

  |

  1.0 km away
• Quakers Yard

  |

  2.2 km away
• Mountain Ash

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  2.7 km away

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