109, High Street, Mountain Ash occupies a 120 m² plot as recorded by HM Land Registry.

Of the 41 other houses in this postcode, 37 have recorded plot sizes, and this one ranks as the 6th largest.

109, High Street, Mountain Ash has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 12 Dec 2023.

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

109, High Street, Mountain Ash last changed hands on 7th March 2025, selling for £80,000. The transaction was logged as a freehold house by HM Land Registry.

In total it has sold twice since 1995.

The market for similar properties has risen by 23.9% since March 2025.

• Sold Mar 2025£80,000
• Sold Sep 1999£22,000

Land Registry records and our Estate Agent network show 27 sales of comparable properties within 560 metres of 109, High Street, Mountain Ash since 2014.

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 Jun 2025£85,000 | 3 Bed House10, Commercial Street, Mountain Ash, CF45 3PS10, Commercial Street, Mountain Ash, CF45 3PS
• Sold May 2025£67,000 | 3 Bed House20, Commercial Street, Mountain Ash, CF45 3PS20, Commercial Street, Mountain Ash, CF45 3PS
• Sold Jan 2025£80,000 | 3 Bed House3, Graig Street, Mountain Ash, CF45 3PD3, Graig Street, Mountain Ash, CF45 3PD
• Sold Nov 2024£95,000 | 3 Bed House22, Commercial Street, Mountain Ash, CF45 3PS22, Commercial Street, Mountain Ash, CF45 3PS
• 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 Apr 2023£92,000 | 3 Bed House6, Commercial Street, Mountain Ash, CF45 3PS6, Commercial Street, Mountain Ash, CF45 3PS
• Sold Dec 2022£125,000 | 3 Bed House43, High Street, Mountain Ash, CF45 3PE43, High Street, Mountain Ash, CF45 3PE
• Sold Aug 2022£76,500 | 4 Bed House47, High Street, Mountain Ash, CF45 3PE47, High Street, Mountain Ash, CF45 3PE
• Sold Mar 2022£110,000 | 3 Bed House9, Duffryn Street, Mountain Ash, CF45 3NU9, Duffryn Street, Mountain Ash, CF45 3NU
• Sold Aug 2021£64,000 | 3 Bed House51, High Street, Mountain Ash, CF45 3PE51, High Street, Mountain Ash, CF45 3PE
• Sold Feb 2021£84,000 | 3 Bed House35, Duffryn Street, Mountain Ash, CF45 3NU35, Duffryn Street, Mountain Ash, CF45 3NU
• Sold Aug 2020£75,000 | 3 Bed House42, Consort Street, Mountain Ash, CF45 3AU42, Consort Street, Mountain Ash, CF45 3AU
• Sold Aug 2020£65,000 | 3 Bed House7, Brynifor, Mountain Ash, CF45 3AA7, Brynifor, Mountain Ash, CF45 3AA
• Sold Aug 2019£90,000 | 3 Bed House1, Graig Street, Mountain Ash, CF45 3PD1, Graig Street, Mountain Ash, CF45 3PD
• Sold Sep 2017£37,000 | 3 Bed House33, Napier Street, Mountain Ash, CF45 3HW33, Napier Street, Mountain Ash, CF45 3HW
• Sold Aug 2017£75,000 | 3 Bed House12, Commercial Street, Mountain Ash, CF45 3PS12, Commercial Street, Mountain Ash, CF45 3PS
• Sold May 2016£73,500 | 3 Bed House98, High Street, Mountain Ash, CF45 3LN98, High Street, Mountain Ash, CF45 3LN
• Sold Sep 2014£97,500 | 3 Bed House2, Stream Street, Mountain Ash, CF45 3LL2, Stream Street, Mountain Ash, CF45 3LL

Our analysis of the public data ranks 109, High Street, Mountain Ash as the 20th largest and the 36th most expensive of the 135 addresses on High Street, Mountain Ash, CF45.

Against the CF45 postcode district average, it is £61k less expensive than the typical property.

• Mountain Ash

  |

  300 m away
• Fernhill

  |

  1.3 km away
• Penrhiwceiber

  |

  1.8 km away

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