According to data from HM Land Registry, 46, Clarence Street, Mountain Ash sits on a plot of 139 m².

We have plot size data on 60 out of 66 other houses in the postcode and 46, Clarence Street, Mountain Ash sits on the 21st largest plot.

46, Clarence Street, Mountain Ash has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 19 Jun 2014.

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

According to HM Land Registry, 46, Clarence Street, Mountain Ash was last sold on 16th January 2004 for £49,950 and was recorded as a freehold house.

The property has only had this single sale since 1995.

• Sold Jan 2004£49,950

According to the Land Registry and our network of Estate Agents, there have been 262 sales of properties similar to 46, Clarence Street, Mountain Ash within a radius of 580 metres since 2019.

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

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 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 Jun 2025£90,000 | 3 Bed House26, Mount Pleasant Terrace, Mountain Ash, CF45 3AN26, Mount Pleasant Terrace, Mountain Ash, CF45 3AN
• Sold Apr 2025£72,000 | 3 Bed House16, Albert Street, Mountain Ash, CF45 3BA16, Albert Street, Mountain Ash, CF45 3BA
• 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£112,000 | 3 Bed House17, Consort Street, Mountain Ash, CF45 3AY17, Consort Street, Mountain Ash, CF45 3AY
• Sold Jul 2024£126,000 | 3 Bed House45, Bailey Street, Mountain Ash, CF45 3AS45, Bailey Street, Mountain Ash, CF45 3AS
• Sold Jun 2024£115,000 | 3 Bed House64, Clarence Street, Mountain Ash, CF45 3BD64, Clarence Street, Mountain Ash, CF45 3BD
• Sold Oct 2022£82,500 | 3 Bed House15, Clarence Street, Mountain Ash, CF45 3BB15, Clarence Street, Mountain Ash, CF45 3BB
• Sold Oct 2022£72,500 | 3 Bed House53, Clarence Street, Mountain Ash, CF45 3BD53, Clarence Street, Mountain Ash, CF45 3BD
• Sold May 2022£88,000 | 3 Bed House44, Mount Pleasant Terrace, Mountain Ash, CF45 3AN44, Mount Pleasant Terrace, Mountain Ash, CF45 3AN
• Sold Aug 2021£103,000 | 3 Bed House12, Clarence Street, Mountain Ash, CF45 3BB12, Clarence Street, Mountain Ash, CF45 3BB
• Sold Jan 2021£75,000 | 3 Bed House42, Clarence Street, Mountain Ash, CF45 3BD42, Clarence Street, Mountain Ash, CF45 3BD
• Sold Jan 2021£60,500 | 3 Bed House83, Clarence Street, Mountain Ash, CF45 3BD83, Clarence Street, Mountain Ash, CF45 3BD
• Sold Oct 2019£92,000 | 3 Bed House35, Clarence Street, Mountain Ash, CF45 3BB35, Clarence Street, Mountain Ash, CF45 3BB

Clarence Street, Mountain Ash, CF45 has a total of 102 addresses. According to our analysis of all the public data, 46, Clarence Street, Mountain Ash is the 44th largest and the 51st most expensive property on the street.

When compared to the postcode district it is £46k less expensive than the average property in CF45.

• Mountain Ash

  |

  700 m away
• Penrhiwceiber

  |

  1.2 km away
• Fernhill

  |

  1.9 km away

According to data from the Environment Agency, the flood risk in this area is considered to be Very Low.