HM Land Registry records the plot of land for 139, Bryntirion, Mountain Ash as measuring 329 m².

That makes it the 4th largest plot in the postcode, where all 71 other houses have recorded plot data.

139, Bryntirion, Mountain Ash has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 08 Jan 2025.

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

Since 2017 233 properties similar to 139, Bryntirion, Mountain Ash have sold within a radius of 1.6 kilometres, per the Land Registry and our network of Estate Agents.

The latest, on the 22nd April 2026, was 10, Pentwyn Avenue, Mountain Ash, CF45 4YF, a freehold house which sold for £83,000.

Read more about house prices in CF45.

• Sold Apr 2026£83,000 | 3 Bed House10, Pentwyn Avenue, Mountain Ash, CF45 4YF10, Pentwyn Avenue, Mountain Ash, CF45 4YF
• Sold May 2025£117,500 | 3 Bed House24, Pentwyn Avenue, Mountain Ash, CF45 4YF24, Pentwyn Avenue, Mountain Ash, CF45 4YF
• Sold Dec 2024£100,000 | 3 Bed House7, Halswell Street, Mountain Ash, CF45 4YN7, Halswell Street, Mountain Ash, CF45 4YN
• Sold Nov 2024£80,000 | 3 Bed House60, Pentwyn Avenue, Mountain Ash, CF45 4YF60, Pentwyn Avenue, Mountain Ash, CF45 4YF
• Sold Oct 2024£130,000 | 3 Bed House20, Milbourne Street, Mountain Ash, CF45 4YL20, Milbourne Street, Mountain Ash, CF45 4YL
• Sold Oct 2024£115,000 | 3 Bed House74, Pentwyn Avenue, Mountain Ash, CF45 4YF74, Pentwyn Avenue, Mountain Ash, CF45 4YF
• Sold Sep 2024£70,000 | 3 Bed House15, Milbourne Street, Mountain Ash, CF45 4YL15, Milbourne Street, Mountain Ash, CF45 4YL
• Sold Aug 2024£100,000 | 3 Bed House55, Avondale Street, Mountain Ash, CF45 4YY55, Avondale Street, Mountain Ash, CF45 4YY
• Sold May 2024£86,000 | 3 Bed House13, Milbourne Street, Mountain Ash, CF45 4YL13, Milbourne Street, Mountain Ash, CF45 4YL
• Sold May 2024£75,000 | 3 Bed House31, Glamorgan Street, Mountain Ash, CF45 3HX31, Glamorgan Street, Mountain Ash, CF45 3HX
• Sold May 2024£95,000 | 3 Bed House4, Commercial Place, Mountain Ash, CF45 4YR4, Commercial Place, Mountain Ash, CF45 4YR
• Sold Mar 2024£58,000 | 3 Bed House58, Avondale Street, Mountain Ash, CF45 4YY58, Avondale Street, Mountain Ash, CF45 4YY
• Sold Oct 2022£114,995 | 3 Bed House133, Bryntirion, Mountain Ash, CF45 4EX133, Bryntirion, Mountain Ash, CF45 4EX
• Sold Aug 2022£80,000 | 3 Bed House56, Avondale Street, Mountain Ash, CF45 4YY56, Avondale Street, Mountain Ash, CF45 4YY
• Sold Aug 2022£95,000 | 3 Bed House13, Sunnyside, Mountain Ash, CF45 4DJ13, Sunnyside, Mountain Ash, CF45 4DJ
• Sold Jan 2022£110,000 | 3 Bed House57, Avondale Street, Mountain Ash, CF45 4YY57, Avondale Street, Mountain Ash, CF45 4YY
• Sold Mar 2021£75,000 | 3 Bed House56, Pentwyn Avenue, Mountain Ash, CF45 4YF56, Pentwyn Avenue, Mountain Ash, CF45 4YF
• Sold Sep 2020£30,000 | 3 Bed House52, Pentwyn Avenue, Mountain Ash, CF45 4YF52, Pentwyn Avenue, Mountain Ash, CF45 4YF
• Sold Sep 2019£52,000 | 3 Bed House25, Milbourne Street, Mountain Ash, CF45 4YL25, Milbourne Street, Mountain Ash, CF45 4YL
• Sold Sep 2017£110,000 | 3 Bed House12, Sunnyside, Mountain Ash, CF45 4DJ12, Sunnyside, Mountain Ash, CF45 4DJ

Of the 228 addresses on Bryntirion, Ynysboeth, Mountain Ash, CF45, 139, Bryntirion, Mountain Ash comes out as the 195th largest and the 10th most expensive in our analysis of the public data.

It is also £48k less expensive than the average property across the CF45 district.

• Penrhiwceiber

  |

  1.2 km away
• Quakers Yard

  |

  2.0 km away
• Abercynon

  |

  2.5 km away

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