HM Land Registry records the plot of land for 26, Arthur Street, Mountain Ash as measuring 165 m².

That makes it the 11th largest plot in the postcode, where 46 of the 51 other houses have recorded plot data.

26, Arthur Street, Mountain Ash has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 12 Aug 2021.

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

The most recent sale of 26, Arthur Street, Mountain Ash completed on 13th June 2003 at £37,000 and was recorded by HM Land Registry as a leasehold house.

Since 1995 this is the property's only sale.

• Sold Jun 2003£37,000

Since 2016 127 properties similar to 26, Arthur Street, Mountain Ash have sold within a radius of 690 metres, per the Land Registry and our network of Estate Agents.

The latest, on the 17th April 2026, was 9, Clarence Street, Mountain Ash, CF45 3BB, a freehold house which sold for £130,000.

Read more about house prices in CF45.

• Sold Apr 2026£130,000 | 4 Bed House9, Clarence Street, Mountain Ash, CF45 3BB9, Clarence Street, Mountain Ash, CF45 3BB
• 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 Jan 2025£95,000 | 3 Bed House47, Albert Street, Mountain Ash, CF45 3BA47, Albert Street, Mountain Ash, CF45 3BA
• 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 Jun 2022£92,000 | 3 Bed House23, Arthur Street, Mountain Ash, CF45 3BL23, Arthur Street, Mountain Ash, CF45 3BL
• Sold Oct 2021£90,000 | 3 Bed House36, Clarence Street, Mountain Ash, CF45 3BB36, Clarence Street, Mountain Ash, CF45 3BB
• Sold Jul 2021£105,000 | 4 Bed House23, Mount Pleasant Terrace, Mountain Ash, CF45 3AN23, Mount Pleasant Terrace, Mountain Ash, CF45 3AN
• 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

Of the 51 addresses on Arthur Street, Mountain Ash, CF45, 26, Arthur Street, Mountain Ash comes out as the 4th largest and the 5th most expensive in our analysis of the public data.

It is also £37k less expensive than the average property across the CF45 district.

• Mountain Ash

  |

  1.0 km away
• Penrhiwceiber

  |

  1.1 km away
• Fernhill

  |

  2.1 km away

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