16, Commercial Street, Mountain Ash occupies a 201 m² plot as recorded by HM Land Registry.

Of the 14 other houses in this postcode, 12 have recorded plot sizes, and this one ranks as the 3rd largest.

16, Commercial Street, Mountain Ash has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 29 Sep 2025.

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

16, Commercial Street, Mountain Ash last changed hands on 29th May 2026, selling for £122,000. The transaction was logged as a freehold house by HM Land Registry.

In total it has sold 3 times since 1995.

The market for similar properties has risen by 18.3% since May 2026.

• Sold May 2026£122,000
• Sold May 2010£62,000
• Sold Aug 2004£61,000

Land Registry records and our Estate Agent network show 77 sales of comparable properties within 610 metres of 16, Commercial Street, Mountain Ash since 2017.

Most recently, 33, Dover Street, Mountain Ash, CF45 3HU, a freehold house, sold at £115,000 on the 22nd May 2026.

Read more about house prices in CF45.

• Sold May 2026£115,000 | 3 Bed House33, Dover Street, Mountain Ash, CF45 3HU33, Dover Street, Mountain Ash, CF45 3HU
• Sold Dec 2025£112,500 | 3 Bed House24, Pryce Street, Mountain Ash, CF45 3NT24, Pryce Street, Mountain Ash, CF45 3NT
• Sold Sep 2025£117,000 | 3 Bed House7A Quarry Cottages, Mountain Ash, CF45 3RN7A Quarry Cottages, Mountain Ash, CF45 3RN
• Sold Jul 2025£49,000 | 3 Bed House49, Commercial Street, Mountain Ash, CF45 3PS49, Commercial Street, Mountain Ash, CF45 3PS
• 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 Mar 2025£80,000 | 3 Bed House109, High Street, Mountain Ash, CF45 3LN109, High Street, Mountain Ash, CF45 3LN
• Sold Jan 2025£81,500 | 3 Bed House2, Cliff Street, Mountain Ash, CF45 3LE2, Cliff Street, Mountain Ash, CF45 3LE
• Sold Dec 2024£105,000 | 3 Bed House63, Woodland Street, Mountain Ash, CF45 3RE63, Woodland Street, Mountain Ash, CF45 3RE
• Sold Nov 2024£130,000 | 3 Bed House57, Woodland Street, Mountain Ash, CF45 3RE57, Woodland Street, Mountain Ash, CF45 3RE
• Sold Nov 2024£95,000 | 3 Bed House22, Commercial Street, Mountain Ash, CF45 3PS22, Commercial Street, Mountain Ash, CF45 3PS
• Sold Apr 2023£92,000 | 3 Bed House6, Commercial Street, Mountain Ash, CF45 3PS6, Commercial Street, Mountain Ash, CF45 3PS
• Sold Dec 2022£110,000 | 3 Bed House24, Lyle Street, Mountain Ash, CF45 3RG24, Lyle Street, Mountain Ash, CF45 3RG
• Sold Apr 2022£65,000 | 3 Bed House13, Duffryn Street, Mountain Ash, CF45 3NU13, Duffryn Street, Mountain Ash, CF45 3NU
• Sold Mar 2022£110,000 | 3 Bed House9, Duffryn Street, Mountain Ash, CF45 3NU9, Duffryn Street, Mountain Ash, CF45 3NU
• Sold Jun 2021£120,000 | 3 Bed House10, Duffryn Street, Mountain Ash, CF45 3NU10, Duffryn Street, Mountain Ash, CF45 3NU
• Sold Feb 2021£84,000 | 3 Bed House35, Duffryn Street, Mountain Ash, CF45 3NU35, Duffryn Street, Mountain Ash, CF45 3NU
• Sold Jan 2021£42,000 | 3 Bed House12, Oxford Street, Mountain Ash, CF45 3PL12, Oxford Street, Mountain Ash, CF45 3PL
• Sold Aug 2017£75,000 | 3 Bed House12, Commercial Street, Mountain Ash, CF45 3PS12, Commercial Street, Mountain Ash, CF45 3PS
• Sold Jan 2017£52,000 | 3 Bed House37, Duffryn Street, Mountain Ash, CF45 3NU37, Duffryn Street, Mountain Ash, CF45 3NU

Our analysis of the public data ranks 16, Commercial Street, Mountain Ash as the 8th largest and the 4th most expensive of the 31 addresses on Commercial Street, Mountain Ash, CF45.

Against the CF45 postcode district average, it is £50k less expensive than the typical property.

• Mountain Ash

  |

  500 m away
• Fernhill

  |

  1.0 km away
• Penrhiwceiber

  |

  2.2 km away

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