43, High Street, Mountain Ash occupies a 163 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 5th largest.

43, High Street, Mountain Ash has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 15 Jan 2020.

The property is connected to mains gas and has partial double glazing. It is heated using a boiler and radiators (mains gas).

43, High Street, Mountain Ash last changed hands on 2nd December 2022, selling for £125,000. The transaction was logged as a freehold house by HM Land Registry.

That is its only recorded sale since 1995.

The market for similar properties has risen by 30.1% since December 2022.

• Sold Dec 2022£125,000

Land Registry records and our Estate Agent network show 15 sales of comparable properties within 530 metres of 43, High Street, Mountain Ash since 2011.

Most recently, 5, Ifor Street, Mountain Ash, CF45 3HN, a leasehold house, sold at £80,000 on the 31st July 2025.

Read more about house prices in CF45.

• Sold Jul 2025£80,000 | 3 Bed House5, Ifor Street, Mountain Ash, CF45 3HN5, Ifor Street, Mountain Ash, CF45 3HN
• Sold Mar 2025£80,000 | 3 Bed House109, High Street, Mountain Ash, CF45 3LN109, High Street, Mountain Ash, CF45 3LN
• Sold Feb 2025£60,500 | 3 Bed House55, High Street, Mountain Ash, CF45 3PE55, High Street, Mountain Ash, CF45 3PE
• Sold Jan 2025£80,000 | 3 Bed House3, Graig Street, Mountain Ash, CF45 3PD3, Graig Street, Mountain Ash, CF45 3PD
• Sold Jul 2024£87,000 | 3 Bed House6, Ifor Street, Mountain Ash, CF45 3HN6, Ifor Street, Mountain Ash, CF45 3HN
• Sold Mar 2024£55,000 | 3 Bed House17, Oxford Street, Mountain Ash, CF45 3PG17, Oxford Street, Mountain Ash, CF45 3PG
• Sold Nov 2021£85,000 | 3 Bed House82, High Street, Mountain Ash, CF45 3LN82, High Street, Mountain Ash, CF45 3LN
• Sold Aug 2021£64,000 | 3 Bed House51, High Street, Mountain Ash, CF45 3PE51, High Street, Mountain Ash, CF45 3PE
• Sold Aug 2021£69,000 | 3 Bed House105, High Street, Mountain Ash, CF45 3LN105, High Street, Mountain Ash, CF45 3LN
• Sold Sep 2018£54,000 | 3 Bed House37, High Street, Mountain Ash, CF45 3PE37, High Street, Mountain Ash, CF45 3PE
• Sold Feb 2017£70,000 | 3 Bed House15, Chancery Lane, Mountain Ash, CF45 3NW15, Chancery Lane, Mountain Ash, CF45 3NW
• Sold May 2016£73,500 | 3 Bed House98, High Street, Mountain Ash, CF45 3LN98, High Street, Mountain Ash, CF45 3LN
• Sold Aug 2013£40,000 | 3 Bed House53, High Street, Mountain Ash, CF45 3PE53, High Street, Mountain Ash, CF45 3PE
• Sold Nov 2012£50,000 | 3 Bed House86, High Street, Mountain Ash, CF45 3LN86, High Street, Mountain Ash, CF45 3LN
• Sold Apr 2011£43,000 | 3 Bed House3, Ifor Street, Mountain Ash, CF45 3HN3, Ifor Street, Mountain Ash, CF45 3HN

Our analysis of the public data ranks 43, High Street, Mountain Ash as the 22nd largest and the 54th most expensive of the 135 addresses on High Street, Mountain Ash, CF45.

Against the CF45 postcode district average, it is £74k 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.