HM Land Registry records the plot of land for 81, Clarence Street, Mountain Ash as measuring 135 m².

That makes it the 43rd largest plot in the postcode, where 60 of the 66 other houses have recorded plot data.

81, Clarence Street, Mountain Ash has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 29 Oct 2013.

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

Since 2018 157 properties similar to 81, Clarence Street, Mountain Ash have sold within a radius of 600 metres, per the Land Registry and our network of Estate Agents.

The latest, on the 30th July 2025, was 38, Albert Street, Mountain Ash, CF45 3BA, a freehold house which sold for £95,000.

Read more about house prices in CF45.

• Sold Jul 2025£95,000 | 3 Bed House38, Albert Street, Mountain Ash, CF45 3BA38, Albert Street, Mountain Ash, CF45 3BA
• Sold Jun 2025£66,000 | 3 Bed House40B, Glyngwyn Street, Mountain Ash, CF45 3AF40B, Glyngwyn Street, Mountain Ash, CF45 3AF
• Sold May 2025£101,000 | 3 Bed House40, Arthur Street, Mountain Ash, CF45 3BL40, Arthur Street, Mountain Ash, CF45 3BL
• Sold May 2025£103,000 | 3 Bed House15, Albany Street, Mountain Ash, CF45 3BE15, Albany Street, Mountain Ash, CF45 3BE
• Sold Apr 2025£72,000 | 3 Bed House16, Albert Street, Mountain Ash, CF45 3BA16, Albert Street, Mountain Ash, CF45 3BA
• Sold Nov 2024£85,000 | 3 Bed House3, Mount Pleasant Terrace, Mountain Ash, CF45 3AN3, Mount Pleasant Terrace, Mountain Ash, CF45 3AN
• Sold Sep 2024£81,000 | 3 Bed House34, Glyngwyn Street, Mountain Ash, CF45 3AF34, Glyngwyn Street, Mountain Ash, CF45 3AF
• Sold Jul 2024£75,000 | 3 Bed House12, Hughes Street, Mountain Ash, CF45 3UG12, Hughes Street, Mountain Ash, CF45 3UG
• Sold Jul 2024£105,000 | 3 Bed House14, Clarence Street, Mountain Ash, CF45 3BB14, Clarence Street, Mountain Ash, CF45 3BB
• Sold Jul 2024£108,000 | 3 Bed House41, Arthur Street, Mountain Ash, CF45 3BL41, Arthur Street, Mountain Ash, CF45 3BL
• Sold May 2024£62,000 | 3 Bed House89, Victoria Street, Mountain Ash, CF45 3AP89, Victoria Street, Mountain Ash, CF45 3AP
• Sold Sep 2023£85,000 | 3 Bed House58, Victoria Street, Mountain Ash, CF45 3AP58, Victoria Street, Mountain Ash, CF45 3AP
• Sold May 2023£96,950 | 3 Bed House22, Oakland Street, Mountain Ash, CF45 3AL22, Oakland Street, Mountain Ash, CF45 3AL
• Sold May 2022£100,000 | 3 Bed House47, Mount Pleasant Terrace, Mountain Ash, CF45 3AN47, Mount Pleasant Terrace, Mountain Ash, CF45 3AN
• Sold Jun 2021£70,000 | 3 Bed House2, Consort Street, Mountain Ash, CF45 3AY2, Consort Street, Mountain Ash, CF45 3AY
• Sold Mar 2021£91,950 | 3 Bed House8, Clarence Street, Mountain Ash, CF45 3BB8, Clarence Street, Mountain Ash, CF45 3BB
• Sold Feb 2020£63,000 | 3 Bed House39, Mount Pleasant Terrace, Mountain Ash, CF45 3AN39, Mount Pleasant Terrace, Mountain Ash, CF45 3AN
• Sold Nov 2019£43,000 | 3 Bed House71, Clarence Street, Mountain Ash, CF45 3BD71, Clarence Street, Mountain Ash, CF45 3BD
• Sold Feb 2019£70,000 | 3 Bed House57, Clarence Street, Mountain Ash, CF45 3BD57, Clarence Street, Mountain Ash, CF45 3BD
• Sold Nov 2018£55,000 | 3 Bed House55, Clarence Street, Mountain Ash, CF45 3BD55, Clarence Street, Mountain Ash, CF45 3BD

Of the 102 addresses on Clarence Street, Mountain Ash, CF45, 81, Clarence Street, Mountain Ash comes out as the 96th largest and the 97th most expensive in our analysis of the public data.

It is also £55k less expensive than the average property across the CF45 district.

• Mountain Ash

  |

  700 m away
• Penrhiwceiber

  |

  1.2 km away
• Fernhill

  |

  1.9 km away

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