According to data from HM Land Registry, 1, Milbourne Street, Mountain Ash sits on a plot of 124 m².

We have plot size data on 24 out of 29 other houses in the postcode and 1, Milbourne Street, Mountain Ash sits on the 3rd largest plot.

1, Milbourne Street, Mountain Ash has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 30 Jun 2015.

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

According to the Land Registry and our network of Estate Agents, there have been 198 sales of properties similar to 1, Milbourne Street, Mountain Ash within a radius of 1.4 kilometres since 2011.

The most recent example is 52, Pentwyn Avenue, Mountain Ash, CF45 4YF, a freehold house which sold for £30,000 on the 19th June 2026.

Read more about house prices in CF45.

• Sold Jun 2026£30,000 | 3 Bed House52, Pentwyn Avenue, Mountain Ash, CF45 4YF52, Pentwyn Avenue, Mountain Ash, CF45 4YF
• Sold Apr 2026£83,000 | 3 Bed House10, Pentwyn Avenue, Mountain Ash, CF45 4YF10, Pentwyn Avenue, Mountain Ash, CF45 4YF
• Sold Mar 2026£147,000 | 3 Bed House92, Pentwyn Avenue, Mountain Ash, CF45 4YF92, Pentwyn Avenue, Mountain Ash, CF45 4YF
• Sold Feb 2026£95,000 | 3 Bed House11, Glanlay Street, Mountain Ash, CF45 3TL11, Glanlay Street, Mountain Ash, CF45 3TL
• Sold May 2025£69,000 | 3 Bed House11, Morris Avenue, Mountain Ash, CF45 3TW11, Morris Avenue, Mountain Ash, CF45 3TW
• 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 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 Jul 2024£118,000 | 3 Bed House64, Morris Avenue, Mountain Ash, CF45 3TW64, Morris Avenue, Mountain Ash, CF45 3TW
• Sold Apr 2021£98,000 | 3 Bed House66, Pentwyn Avenue, Mountain Ash, CF45 4YF66, Pentwyn Avenue, Mountain Ash, CF45 4YF
• Sold Mar 2021£75,000 | 3 Bed House56, Pentwyn Avenue, Mountain Ash, CF45 4YF56, Pentwyn Avenue, Mountain Ash, CF45 4YF
• Sold Oct 2020£90,000 | 3 Bed House5, Commercial Place, Mountain Ash, CF45 4YR5, Commercial Place, Mountain Ash, CF45 4YR
• Sold Sep 2019£52,000 | 3 Bed House25, Milbourne Street, Mountain Ash, CF45 4YL25, Milbourne Street, Mountain Ash, CF45 4YL
• Sold Feb 2019£50,000 | 3 Bed House27, Walsh Street, Mountain Ash, CF45 4YS27, Walsh Street, Mountain Ash, CF45 4YS
• Sold Feb 2019£60,000 | 3 Bed House9, Halswell Street, Mountain Ash, CF45 4YN9, Halswell Street, Mountain Ash, CF45 4YN
• Sold Jun 2016£68,500 | 3 Bed House17, Walsh Street, Mountain Ash, CF45 4YS17, Walsh Street, Mountain Ash, CF45 4YS
• Sold Nov 2015£65,000 | 3 Bed House21, Walsh Street, Mountain Ash, CF45 4YS21, Walsh Street, Mountain Ash, CF45 4YS
• Sold Dec 2011£65,000 | 3 Bed House6, Pentwyn Avenue, Mountain Ash, CF45 4YF6, Pentwyn Avenue, Mountain Ash, CF45 4YF

Milbourne Street, Mountain Ash, CF45 has a total of 29 addresses. According to our analysis of all the public data, 1, Milbourne Street, Mountain Ash is the 3rd largest and the 3rd most expensive property on the street.

When compared to the postcode district it is £43k less expensive than the average property in CF45.

• Penrhiwceiber

  |

  1.1 km away
• Quakers Yard

  |

  1.9 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.