33, Clarence Street, Mountain Ash occupies a 133 m² plot as recorded by HM Land Registry.

Of the 36 other houses in this postcode, 32 have recorded plot sizes, and this one ranks as the 29th largest.

33, Clarence Street, Mountain Ash has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 28 Jun 2018.

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

33, Clarence Street, Mountain Ash last changed hands on 24th April 2019, selling for £58,000. The transaction was logged as a freehold house by HM Land Registry.

That is its only recorded sale since 1995.

The market for similar properties has risen by 96.0% since April 2019.

• Sold Apr 2019£58,000

Land Registry records and our Estate Agent network show 210 sales of comparable properties within 570 metres of 33, Clarence Street, Mountain Ash since 2017.

Most recently, 38, Albert Street, Mountain Ash, CF45 3BA, a freehold house, sold at £95,000 on the 30th July 2025.

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£90,000 | 3 Bed House26, Mount Pleasant Terrace, Mountain Ash, CF45 3AN26, Mount Pleasant Terrace, Mountain Ash, CF45 3AN
• Sold Jun 2025£66,000 | 3 Bed House40B, Glyngwyn Street, Mountain Ash, CF45 3AF40B, Glyngwyn Street, Mountain Ash, CF45 3AF
• Sold Apr 2025£72,000 | 3 Bed House16, Albert Street, Mountain Ash, CF45 3BA16, Albert Street, Mountain Ash, CF45 3BA
• Sold Mar 2025£110,000 | 3 Bed House36, Glyngwyn Street, Mountain Ash, CF45 3AF36, Glyngwyn Street, Mountain Ash, CF45 3AF
• Sold Nov 2024£85,000 | 3 Bed House3, Mount Pleasant Terrace, Mountain Ash, CF45 3AN3, Mount Pleasant Terrace, Mountain Ash, CF45 3AN
• Sold Aug 2024£112,000 | 3 Bed House17, Consort Street, Mountain Ash, CF45 3AY17, Consort Street, Mountain Ash, CF45 3AY
• Sold Jul 2024£105,000 | 3 Bed House14, Clarence Street, Mountain Ash, CF45 3BB14, Clarence Street, Mountain Ash, CF45 3BB
• Sold Jul 2024£75,000 | 3 Bed House12, Hughes Street, Mountain Ash, CF45 3UG12, Hughes Street, Mountain Ash, CF45 3UG
• Sold Sep 2023£120,000 | 3 Bed House9, Albert Street, Mountain Ash, CF45 3BA9, Albert Street, Mountain Ash, CF45 3BA
• Sold Sep 2023£85,000 | 3 Bed House58, Victoria Street, Mountain Ash, CF45 3AP58, Victoria Street, Mountain Ash, CF45 3AP
• Sold Oct 2022£82,500 | 3 Bed House15, Clarence Street, Mountain Ash, CF45 3BB15, Clarence Street, Mountain Ash, CF45 3BB
• Sold Oct 2022£110,000 | 3 Bed House12, Albert Street, Mountain Ash, CF45 3BA12, Albert Street, Mountain Ash, CF45 3BA
• Sold Oct 2022£72,500 | 3 Bed House53, Clarence Street, Mountain Ash, CF45 3BD53, Clarence Street, Mountain Ash, CF45 3BD
• Sold Aug 2022£108,000 | 3 Bed House56, Consort Street, Mountain Ash, CF45 3AU56, Consort Street, Mountain Ash, CF45 3AU
• 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 Nov 2018£86,000 | 3 Bed House25, Clarence Street, Mountain Ash, CF45 3BB25, Clarence Street, Mountain Ash, CF45 3BB
• Sold Aug 2017£37,200 | 3 Bed House30, Clarence Street, Mountain Ash, CF45 3BB30, Clarence Street, Mountain Ash, CF45 3BB
• Sold May 2017£61,000 | 3 Bed House26, Clarence Street, Mountain Ash, CF45 3BB26, Clarence Street, Mountain Ash, CF45 3BB

Our analysis of the public data ranks 33, Clarence Street, Mountain Ash as the 77th largest and the 73rd most expensive of the 102 addresses on Clarence Street, Mountain Ash, CF45.

Against the CF45 postcode district average, it is £51k less expensive than the typical property.

• Mountain Ash

  |

  600 m away
• Penrhiwceiber

  |

  1.3 km away
• Fernhill

  |

  1.8 km away

Environment Agency data suggests this area has a Very Low risk of flooding.