10, Rock Street, Mountain Ash has an Energy Performance Rating (EPC) of E. This is based on the most recent assessment, dated 04 Nov 2013.

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

Land Registry records and our Estate Agent network show 92 sales of comparable properties within 580 metres of 10, Rock Street, Mountain Ash since 2017.

Most recently, 15, Cliff Street, Mountain Ash, CF45 3LE, a freehold house, sold at £103,000 on the 10th June 2026.

Read more about house prices in CF45.

• Sold Jun 2026£103,000 | 3 Bed House15, Cliff Street, Mountain Ash, CF45 3LE15, Cliff Street, Mountain Ash, CF45 3LE
• Sold Nov 2025£120,000 | 3 Bed House29, Cliff Street, Mountain Ash, CF45 3LE29, Cliff Street, Mountain Ash, CF45 3LE
• Sold Jun 2025£95,000 | 3 Bed House33, Duffryn Street, Mountain Ash, CF45 3NU33, Duffryn Street, Mountain Ash, CF45 3NU
• Sold Jan 2025£225,000 | 3 Bed House115, High Street, Mountain Ash, CF45 3LN115, High Street, Mountain Ash, CF45 3LN
• Sold Nov 2024£61,000 | 3 Bed House15, Caradoc Street, Mountain Ash, CF45 3LB15, Caradoc Street, Mountain Ash, CF45 3LB
• Sold Nov 2024£100,000 | 3 Bed House21, Dover Street, Mountain Ash, CF45 3HU21, Dover Street, Mountain Ash, CF45 3HU
• Sold Apr 2024£37,000 | 3 Bed House38, Oxford Street, Mountain Ash, CF45 3HB38, Oxford Street, Mountain Ash, CF45 3HB
• Sold Dec 2023£56,500 | 3 Bed House58A, Duffryn Street, Mountain Ash, CF45 3HR58A, Duffryn Street, Mountain Ash, CF45 3HR
• Sold Nov 2023£109,000 | 3 Bed House77, Duffryn Street, Mountain Ash, CF45 3HR77, Duffryn Street, Mountain Ash, CF45 3HR
• Sold Aug 2023£100,000 | 3 Bed House57, Napier Street, Mountain Ash, CF45 3HW57, Napier Street, Mountain Ash, CF45 3HW
• Sold May 2023£112,000 | 3 Bed House1A, Dover Street, Mountain Ash, CF45 3HY1A, Dover Street, Mountain Ash, CF45 3HY
• Sold Nov 2022£85,000 | 3 Bed House72, Duffryn Street, Mountain Ash, CF45 3HR72, Duffryn Street, Mountain Ash, CF45 3HR
• Sold Jul 2022£55,000 | 3 Bed House32, Dover Street, Mountain Ash, CF45 3HU32, Dover Street, Mountain Ash, CF45 3HU
• Sold May 2022£75,000 | 3 Bed House75, Duffryn Street, Mountain Ash, CF45 3HR75, Duffryn Street, Mountain Ash, CF45 3HR
• Sold Mar 2022£55,000 | 3 Bed House1A, Cliff Street, Mountain Ash, CF45 3LE1A, Cliff Street, Mountain Ash, CF45 3LE
• Sold Oct 2021£77,000 | 3 Bed House37, Dover Street, Mountain Ash, CF45 3HU37, Dover Street, Mountain Ash, CF45 3HU
• Sold Jun 2020£31,000 | 3 Bed House25A, Oxford Street, Mountain Ash, CF45 3PL25A, Oxford Street, Mountain Ash, CF45 3PL
• Sold Jan 2019£79,500 | 3 Bed House20, Darran Road, Mountain Ash, CF45 3HT20, Darran Road, Mountain Ash, CF45 3HT
• Sold Dec 2017£35,000 | 3 Bed House9, Cliff Street, Mountain Ash, CF45 3LE9, Cliff Street, Mountain Ash, CF45 3LE
• Sold Mar 2017£58,000 | 3 Bed House25, Cliff Street, Mountain Ash, CF45 3LE25, Cliff Street, Mountain Ash, CF45 3LE

Our analysis of the public data ranks 10, Rock Street, Mountain Ash as the 19th largest and the 18th most expensive of the 23 addresses on Rock Street, Mountain Ash, CF45.

Against the CF45 postcode district average, it is £45k less expensive than the typical property.

• Mountain Ash

  |

  400 m away
• Fernhill

  |

  1.2 km away
• Penrhiwceiber

  |

  1.8 km away

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