20, High Street, Mountain Ash occupies a 82 m² plot as recorded by HM Land Registry.

Of the 47 other houses in this postcode, 38 have recorded plot sizes, and this one ranks as the 26th largest.

20, High Street, Mountain Ash has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 22 Mar 2017.

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

20, High Street, Mountain Ash last changed hands on 6th May 2022, selling for £68,000. The transaction was logged as a freehold house by HM Land Registry.

In total it has sold 5 times since 1995.

The market for similar properties has risen by 32.4% since May 2022.

• Sold May 2022£68,000
• Sold Oct 2019£34,000
• Sold Aug 2006£65,000

Land Registry records and our Estate Agent network show 25 sales of comparable properties within 550 metres of 20, High Street, Mountain Ash since 2007.

Most recently, 32, High Street, Mountain Ash, CF45 3PE, a freehold house, sold at £53,000 on the 2nd February 2026.

Read more about house prices in CF45.

• Sold Feb 2026£53,000 | 3 Bed House32, High Street, Mountain Ash, CF45 3PE32, High Street, Mountain Ash, CF45 3PE
• Sold Mar 2025£75,000 | 3 Bed House57, High Street, Mountain Ash, CF45 3PE57, High Street, Mountain Ash, CF45 3PE
• Sold Dec 2024£70,000 | 3 Bed House22, Chancery Lane, Mountain Ash, CF45 3NW22, Chancery Lane, Mountain Ash, CF45 3NW
• Sold Oct 2024£67,000 | 3 Bed House20, Chancery Lane, Mountain Ash, CF45 3NW20, Chancery Lane, Mountain Ash, CF45 3NW
• Sold Aug 2024£30,000 | 3 Bed House40, High Street, Mountain Ash, CF45 3PE40, High Street, Mountain Ash, CF45 3PE
• Sold May 2023£68,000 | 3 Bed House44, Commercial Street, Mountain Ash, CF45 3PW44, Commercial Street, Mountain Ash, CF45 3PW
• Sold Apr 2022£95,955 | 3 Bed House5, Graig Street, Mountain Ash, CF45 3PD5, Graig Street, Mountain Ash, CF45 3PD
• Sold Nov 2021£59,000 | 3 Bed House10, Union Street, Mountain Ash, CF45 3NY10, Union Street, Mountain Ash, CF45 3NY
• Sold Jul 2021£72,000 | 3 Bed House18, High Street, Mountain Ash, CF45 3PE18, High Street, Mountain Ash, CF45 3PE
• Sold Apr 2021£70,000 | 3 Bed House96, High Street, Mountain Ash, CF45 3LN96, High Street, Mountain Ash, CF45 3LN
• Sold Dec 2020£66,000 | 3 Bed House123, High Street, Mountain Ash, CF45 3LN123, High Street, Mountain Ash, CF45 3LN
• Sold Nov 2020£50,000 | 3 Bed House9, Ifor Street, Mountain Ash, CF45 3HN9, Ifor Street, Mountain Ash, CF45 3HN
• Sold Jul 2018£39,999 | 3 Bed House34, High Street, Mountain Ash, CF45 3PE34, High Street, Mountain Ash, CF45 3PE
• Sold Mar 2018£49,500 | 3 Bed House12, Chancery Lane, Mountain Ash, CF45 3NW12, Chancery Lane, Mountain Ash, CF45 3NW
• Sold Nov 2017£64,500 | 3 Bed House35, High Street, Mountain Ash, CF45 3PE35, High Street, Mountain Ash, CF45 3PE
• Sold Mar 2017£38,000 | 3 Bed House121, High Street, Mountain Ash, CF45 3LN121, High Street, Mountain Ash, CF45 3LN
• Sold Aug 2015£38,000 | 3 Bed House4, Graig Street, Mountain Ash, CF45 3PD4, Graig Street, Mountain Ash, CF45 3PD
• Sold Feb 2014£32,000 | 3 Bed House85, High Street, Mountain Ash, CF45 3LN85, High Street, Mountain Ash, CF45 3LN
• Sold Mar 2009£38,000 | 3 Bed House30, High Street, Mountain Ash, CF45 3PE30, High Street, Mountain Ash, CF45 3PE
• Sold Jul 2007£65,000 | 3 Bed House50, High Street, Mountain Ash, CF45 3PE50, High Street, Mountain Ash, CF45 3PE

Our analysis of the public data ranks 20, High Street, Mountain Ash as the 64th largest and the 91st most expensive of the 135 addresses on High Street, Mountain Ash, CF45.

Against the CF45 postcode district average, it is £86k less expensive than the typical property.

• Mountain Ash

  |

  400 m away
• Fernhill

  |

  1.1 km away
• Penrhiwceiber

  |

  2.0 km away

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