43, Thomas Street, Mountain Ash has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 04 Mar 2025.

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

Since 2019 236 properties similar to 43, Thomas Street, Mountain Ash have sold within a radius of 650 metres, per the Land Registry and our network of Estate Agents.

The latest, on the 20th March 2026, was 70, Clarence Street, Mountain Ash, CF45 3BD, a freehold house which sold for £135,000.

Read more about house prices in CF45.

• Sold Mar 2026£135,000 | 3 Bed House70, Clarence Street, Mountain Ash, CF45 3BD70, Clarence Street, Mountain Ash, CF45 3BD
• Sold Feb 2026£145,000 | 3 Bed House12, Thomas Street, Mountain Ash, CF45 3BU12, Thomas Street, Mountain Ash, CF45 3BU
• Sold Oct 2025£112,000 | 3 Bed House32, Oakland Street, Mountain Ash, CF45 3AL32, Oakland Street, Mountain Ash, CF45 3AL
• Sold Sep 2025£130,000 | 3 Bed House14, Oakland Street, Mountain Ash, CF45 3AL14, Oakland Street, Mountain Ash, CF45 3AL
• Sold Sep 2025£116,500 | 3 Bed House20, Ty'R Felin Street, Mountain Ash, CF45 3YR20, Ty'R Felin Street, Mountain Ash, CF45 3YR
• Sold Sep 2025£125,000 | 3 Bed House26, Albany Street, Mountain Ash, CF45 3BE26, Albany Street, Mountain Ash, CF45 3BE
• Sold Jun 2025£98,000 | 3 Bed House96, Clarence Street, Mountain Ash, CF45 3BD96, Clarence Street, Mountain Ash, CF45 3BD
• 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 Jan 2025£95,000 | 3 Bed House47, Albert Street, Mountain Ash, CF45 3BA47, Albert Street, Mountain Ash, CF45 3BA
• 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 Jun 2024£115,000 | 3 Bed House64, Clarence Street, Mountain Ash, CF45 3BD64, Clarence Street, Mountain Ash, CF45 3BD
• Sold Sep 2023£92,500 | 3 Bed House5, Albany Street, Mountain Ash, CF45 3BE5, Albany Street, Mountain Ash, CF45 3BE
• Sold May 2023£115,000 | 3 Bed House40, Oakland Street, Mountain Ash, CF45 3AL40, Oakland Street, Mountain Ash, CF45 3AL
• Sold Dec 2022£86,500 | 3 Bed House28, Albany Street, Mountain Ash, CF45 3BE28, Albany Street, Mountain Ash, CF45 3BE
• 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 Jan 2022£85,000 | 3 Bed House39, Thomas Street, Mountain Ash, CF45 3BU39, Thomas Street, Mountain Ash, CF45 3BU
• Sold Oct 2019£58,900 | 3 Bed House37, Oakland Street, Mountain Ash, CF45 3AL37, Oakland Street, Mountain Ash, CF45 3AL

Of the 73 addresses on Thomas Street, Mountain Ash, CF45, 43, Thomas Street, Mountain Ash comes out as the 16th largest and the 33rd most expensive in our analysis of the public data.

It is also £28k less expensive than the average property across the CF45 district.

• Mountain Ash

  |

  1.0 km away
• Penrhiwceiber

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  1.0 km away
• Fernhill

  |

  2.1 km away

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