25, Arthur Street, Mountain Ash occupies a 155 m² plot as recorded by HM Land Registry.

Of the 51 other houses in this postcode, 46 have recorded plot sizes, and this one ranks as the 20th largest.

25, Arthur Street, Mountain Ash has an Energy Performance Rating (EPC) of F. This is based on the most recent assessment, dated 24 Sep 2021.

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

Land Registry records and our Estate Agent network show 156 sales of comparable properties within 690 metres of 25, Arthur Street, Mountain Ash since 2016.

Most recently, 70, Clarence Street, Mountain Ash, CF45 3BD, a freehold house, sold at £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 Dec 2025£130,000 | 3 Bed House11, Clarence Street, Mountain Ash, CF45 3BB11, Clarence Street, Mountain Ash, CF45 3BB
• Sold Nov 2025£108,000 | 3 Bed House111, Woodfield Terrace, Mountain Ash, CF45 3UT111, Woodfield Terrace, Mountain Ash, CF45 3UT
• Sold Nov 2025£120,000 | 3 Bed House100, Woodfield Terrace, Mountain Ash, CF45 3UT100, Woodfield Terrace, Mountain Ash, CF45 3UT
• Sold Nov 2025£65,000 | 3 Bed House110, Woodfield Terrace, Mountain Ash, CF45 3UT110, Woodfield Terrace, Mountain Ash, CF45 3UT
• 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 Jun 2025£98,000 | 3 Bed House96, Clarence Street, Mountain Ash, CF45 3BD96, Clarence Street, Mountain Ash, CF45 3BD
• Sold Mar 2025£76,000 | 3 Bed House1, Glyngwyn Street, Mountain Ash, CF45 3AF1, Glyngwyn Street, Mountain Ash, CF45 3AF
• Sold Jan 2025£95,000 | 3 Bed House47, Albert Street, Mountain Ash, CF45 3BA47, Albert Street, Mountain Ash, CF45 3BA
• Sold Jul 2024£108,000 | 3 Bed House123, Woodfield Terrace, Mountain Ash, CF45 3UT123, Woodfield Terrace, Mountain Ash, CF45 3UT
• Sold Jun 2024£115,000 | 3 Bed House64, Clarence Street, Mountain Ash, CF45 3BD64, Clarence Street, Mountain Ash, CF45 3BD
• Sold Apr 2024£117,000 | 3 Bed HouseGlanffrwd Villa, Woodfield Terrace, Mountain Ash, CF45 3UTGlanffrwd Villa, Woodfield Terrace, Mountain Ash, CF45 3UT
• Sold Jan 2024£83,000 | 3 Bed House38, Ty'R Felin Street, Mountain Ash, CF45 3YR38, Ty'R Felin Street, Mountain Ash, CF45 3YR
• Sold Aug 2023£105,000 | 3 Bed House28, Ty'R Felin Street, Mountain Ash, CF45 3YR28, Ty'R Felin Street, Mountain Ash, CF45 3YR
• 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 Jun 2022£92,000 | 3 Bed House23, Arthur Street, Mountain Ash, CF45 3BL23, Arthur Street, Mountain Ash, CF45 3BL
• Sold Dec 2018£45,000 | 3 Bed House17, Arthur Street, Mountain Ash, CF45 3BL17, Arthur Street, Mountain Ash, CF45 3BL
• Sold Feb 2016£80,000 | 3 Bed House25, Albany Street, Mountain Ash, CF45 3BE25, Albany Street, Mountain Ash, CF45 3BE

Our analysis of the public data ranks 25, Arthur Street, Mountain Ash as the 5th largest and the 6th most expensive of the 51 addresses on Arthur Street, Mountain Ash, CF45.

Against the CF45 postcode district average, it is £38k less expensive than the typical property.

• Mountain Ash

  |

  1.0 km away
• Penrhiwceiber

  |

  1.1 km away
• Fernhill

  |

  2.1 km away

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