According to data from HM Land Registry, 104, Bryntirion, Mountain Ash sits on a plot of 371 m².

We have plot size data on 71 out of 71 other houses in the postcode and 104, Bryntirion, Mountain Ash sits on the 2nd largest plot.

104, Bryntirion, Mountain Ash has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 27 Feb 2026.

The property is not connected to mains gas and has fully double glazed windows. It is heated using a boiler and radiators (dual fuel (mineral and wood)).

According to the Land Registry and our network of Estate Agents, there have been 229 sales of properties similar to 104, Bryntirion, Mountain Ash within a radius of 1.4 kilometres since 2011.

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

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 Apr 2026£102,000 | 3 Bed House4, Glamorgan Street, Mountain Ash, CF45 3HX4, Glamorgan Street, Mountain Ash, CF45 3HX
• Sold May 2025£117,500 | 3 Bed House24, Pentwyn Avenue, Mountain Ash, CF45 4YF24, Pentwyn Avenue, Mountain Ash, CF45 4YF
• Sold Apr 2025£123,000 | 3 Bed House21, Glamorgan Street, Mountain Ash, CF45 3HX21, Glamorgan Street, Mountain Ash, CF45 3HX
• 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£115,000 | 3 Bed House74, Pentwyn Avenue, Mountain Ash, CF45 4YF74, 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 Sep 2024£70,000 | 3 Bed House15, Milbourne Street, Mountain Ash, CF45 4YL15, 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 Dec 2023£102,000 | 3 Bed House13, Glamorgan Street, Mountain Ash, CF45 3HX13, Glamorgan Street, Mountain Ash, CF45 3HX
• Sold Jul 2023£85,000 | 3 Bed House1, Glamorgan Street, Mountain Ash, CF45 3HX1, Glamorgan Street, Mountain Ash, CF45 3HX
• Sold Oct 2022£114,995 | 3 Bed House133, Bryntirion, Mountain Ash, CF45 4EX133, Bryntirion, Mountain Ash, CF45 4EX
• Sold Aug 2022£95,000 | 3 Bed House13, Sunnyside, Mountain Ash, CF45 4DJ13, Sunnyside, Mountain Ash, CF45 4DJ
• Sold Apr 2022£101,000 | 3 Bed House42, Glamorgan Street, Mountain Ash, CF45 3HX42, Glamorgan Street, Mountain Ash, CF45 3HX
• 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£45,000 | 3 Bed House88, Pentwyn Avenue, Mountain Ash, CF45 4YF88, Pentwyn Avenue, Mountain Ash, CF45 4YF
• Sold Feb 2014£42,500 | 3 Bed House82, Pentwyn Avenue, Mountain Ash, CF45 4YF82, Pentwyn Avenue, Mountain Ash, CF45 4YF
• Sold Dec 2011£65,000 | 3 Bed House6, Pentwyn Avenue, Mountain Ash, CF45 4YF6, Pentwyn Avenue, Mountain Ash, CF45 4YF

Bryntirion, Ynysboeth, Mountain Ash, CF45 has a total of 228 addresses. According to our analysis of all the public data, 104, Bryntirion, Mountain Ash is the 211th largest and the 9th most expensive property on the street.

When compared to the postcode district it is £46k less expensive than the average property in CF45.

• Penrhiwceiber

  |

  1.2 km away
• Quakers Yard

  |

  2.0 km away
• Abercynon

  |

  2.5 km away

According to data from the Environment Agency, the flood risk in this area is considered to be Very Low.