According to data from HM Land Registry, 82, Clarence Street, Mountain Ash sits on a plot of 138 m².

We have plot size data on 60 out of 66 other houses in the postcode and 82, Clarence Street, Mountain Ash sits on the 28th largest plot.

82, Clarence Street, Mountain Ash has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 25 Nov 2010.

The property is 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, 82, Clarence Street, Mountain Ash was last sold on 18th December 2018 for £68,000 and was recorded as a freehold house.

The property has had 3 sales since 1995.

Since December 2018, the market for similar properties has risen by 98.5%.

• Sold Dec 2018£68,000
• Sold Dec 2004£55,000
• Sold May 1995£11,000

According to the Land Registry and our network of Estate Agents, there have been 256 sales of properties similar to 82, Clarence Street, Mountain Ash within a radius of 600 metres since 2019.

The most recent example is 13, Hughes Street, Mountain Ash, CF45 3UG, a freehold house which sold for £122,000 on the 28th November 2025.

Read more about house prices in CF45.

• 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£118,000 | 3 Bed House11, Albany Street, Mountain Ash, CF45 3BE11, Albany Street, Mountain Ash, CF45 3BE
• Sold Mar 2025£110,000 | 3 Bed House36, Glyngwyn Street, Mountain Ash, CF45 3AF36, Glyngwyn Street, Mountain Ash, CF45 3AF
• 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 Aug 2024£112,000 | 3 Bed House17, Consort Street, Mountain Ash, CF45 3AY17, Consort Street, Mountain Ash, CF45 3AY
• Sold Jul 2024£75,000 | 3 Bed House12, Hughes Street, Mountain Ash, CF45 3UG12, Hughes Street, Mountain Ash, CF45 3UG
• Sold Jun 2024£115,000 | 3 Bed House64, Clarence Street, Mountain Ash, CF45 3BD64, Clarence Street, Mountain Ash, CF45 3BD
• Sold Jul 2023£118,000 | 3 Bed House25, Mount Pleasant Terrace, Mountain Ash, CF45 3AN25, Mount Pleasant Terrace, Mountain Ash, CF45 3AN
• 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 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 Jan 2021£60,500 | 3 Bed House83, Clarence Street, Mountain Ash, CF45 3BD83, Clarence Street, Mountain Ash, CF45 3BD
• Sold Jun 2019£90,000 | 3 Bed House98, Clarence Street, Mountain Ash, CF45 3BD98, Clarence Street, Mountain Ash, CF45 3BD

Clarence Street, Mountain Ash, CF45 has a total of 102 addresses. According to our analysis of all the public data, 82, Clarence Street, Mountain Ash is the 53rd largest and the 57th most expensive property on the street.

When compared to the postcode district it is £48k 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.