35, Thomas Street, Mountain Ash has an Energy Performance Rating (EPC) of E. This is based on the most recent assessment, dated 28 Jun 2016.

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

The most recent sale of 35, Thomas Street, Mountain Ash completed on 19th November 2004 at £52,000 and was recorded by HM Land Registry as a leasehold house.

Since 1995 the property has sold twice.

• Sold Nov 2004£52,000
• Sold Oct 2002£12,500

Since 2019 179 properties similar to 35, Thomas Street, Mountain Ash have sold within a radius of 630 metres, per the Land Registry and our network of Estate Agents.

The latest, on the 20th February 2026, was 12, Thomas Street, Mountain Ash, CF45 3BU, a freehold house which sold for £145,000.

Read more about house prices in CF45.

• Sold Feb 2026£145,000 | 3 Bed House12, Thomas Street, Mountain Ash, CF45 3BU12, Thomas Street, Mountain Ash, CF45 3BU
• Sold Nov 2025£122,000 | 3 Bed House13, Hughes Street, Mountain Ash, CF45 3UG13, Hughes Street, Mountain Ash, CF45 3UG
• Sold Oct 2025£112,000 | 3 Bed House32, Oakland Street, Mountain Ash, CF45 3AL32, Oakland Street, Mountain Ash, CF45 3AL
• Sold Sep 2025£125,000 | 3 Bed House26, Albany Street, Mountain Ash, CF45 3BE26, Albany Street, Mountain Ash, CF45 3BE
• Sold Apr 2025£118,000 | 3 Bed House11, Albany Street, Mountain Ash, CF45 3BE11, Albany Street, Mountain Ash, CF45 3BE
• Sold Feb 2025£99,950 | 3 Bed House7, Albany Street, Mountain Ash, CF45 3BE7, Albany Street, Mountain Ash, CF45 3BE
• Sold Nov 2024£120,000 | 3 Bed House22, Albany Street, Mountain Ash, CF45 3BE22, Albany Street, Mountain Ash, CF45 3BE
• Sold Aug 2024£137,500 | 3 Bed House27, Oakland Street, Mountain Ash, CF45 3AL27, Oakland Street, Mountain Ash, CF45 3AL
• Sold Jul 2024£75,000 | 3 Bed House12, Hughes Street, Mountain Ash, CF45 3UG12, Hughes Street, Mountain Ash, CF45 3UG
• Sold Jun 2023£68,000 | 3 Bed House8, Albany Street, Mountain Ash, CF45 3BE8, Albany Street, Mountain Ash, CF45 3BE
• Sold May 2023£96,950 | 3 Bed House22, Oakland Street, Mountain Ash, CF45 3AL22, Oakland Street, Mountain Ash, CF45 3AL
• Sold Jul 2022£93,000 | 3 Bed House18, Oakland Street, Mountain Ash, CF45 3AL18, Oakland Street, Mountain Ash, CF45 3AL
• Sold May 2022£75,000 | 3 Bed House4, Thomas Street, Mountain Ash, CF45 3BU4, Thomas Street, Mountain Ash, CF45 3BU
• Sold Apr 2022£125,000 | 3 Bed House21, Thomas Street, Mountain Ash, CF45 3BU21, Thomas Street, Mountain Ash, CF45 3BU
• Sold Feb 2022£95,000 | 3 Bed House28, Thomas Street, Mountain Ash, CF45 3BU28, Thomas Street, Mountain Ash, CF45 3BU
• Sold Jan 2022£135,000 | 3 Bed House29, Oakland Street, Mountain Ash, CF45 3AL29, Oakland Street, Mountain Ash, CF45 3AL
• Sold May 2021£87,000 | 3 Bed House8, Thomas Street, Mountain Ash, CF45 3BU8, Thomas Street, Mountain Ash, CF45 3BU
• Sold Aug 2020£90,000 | 3 Bed House39, Oakland Street, Mountain Ash, CF45 3AL39, Oakland Street, Mountain Ash, CF45 3AL
• Sold Dec 2019£96,000 | 3 Bed House16, Thomas Street, Mountain Ash, CF45 3BU16, Thomas Street, Mountain Ash, CF45 3BU
• Sold May 2019£55,000 | 3 Bed House36, Thomas Street, Mountain Ash, CF45 3BU36, Thomas Street, Mountain Ash, CF45 3BU

Of the 73 addresses on Thomas Street, Mountain Ash, CF45, 35, Thomas Street, Mountain Ash comes out as the 53rd largest and the 40th most expensive in our analysis of the public data.

It is also £30k less expensive than the average property across the CF45 district.

• Mountain Ash

  |

  800 m away
• Penrhiwceiber

  |

  1.0 km away
• Fernhill

  |

  2.1 km away

The flood risk here is rated Very Low, based on Environment Agency data.