According to data from HM Land Registry, 6, Walsh Street, Mountain Ash sits on a plot of 107 m².

We have plot size data on 35 out of 39 other houses in the postcode and 6, Walsh Street, Mountain Ash sits on the 30th largest plot.

6, Walsh Street, Mountain Ash has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 10 Jan 2022.

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 HM Land Registry, 6, Walsh Street, Mountain Ash was last sold on 3rd December 2015 for £18,000 and was recorded as a freehold house.

The property has had 2 sales since 1995.

Since December 2015, the market for similar properties has risen by 169.9%.

• Sold Dec 2015£18,000
• Sold Oct 2001£12,000

According to the Land Registry and our network of Estate Agents, there have been 107 sales of properties similar to 6, Walsh Street, Mountain Ash within a radius of 1.6 kilometres since 2007.

The most recent example is 7, Walsh Street, Mountain Ash, CF45 4YS, a freehold house which sold for £75,000 on the 18th September 2025.

Read more about house prices in CF45.

• Sold Sep 2025£75,000 | 3 Bed House7, Walsh Street, Mountain Ash, CF45 4YS7, Walsh Street, Mountain Ash, CF45 4YS
• Sold Aug 2025£83,000 | 3 Bed House90, Bryntirion, Mountain Ash, CF45 4EX90, Bryntirion, Mountain Ash, CF45 4EX
• Sold Jun 2025£59,000 | 3 Bed House2, Walsh Street, Mountain Ash, CF45 4YS2, Walsh Street, Mountain Ash, CF45 4YS
• Sold Mar 2024£58,000 | 3 Bed House58, Avondale Street, Mountain Ash, CF45 4YY58, Avondale Street, Mountain Ash, CF45 4YY
• Sold Nov 2023£80,000 | 3 Bed House102, Bryntirion, Mountain Ash, CF45 4EX102, Bryntirion, Mountain Ash, CF45 4EX
• Sold Jul 2022£105,000 | 3 Bed House13, Walsh Street, Mountain Ash, CF45 4YS13, Walsh Street, Mountain Ash, CF45 4YS
• Sold Apr 2022£67,500 | 3 Bed House40, Avondale Street, Mountain Ash, CF45 4YY40, Avondale Street, Mountain Ash, CF45 4YY
• Sold Dec 2019£39,999 | 3 Bed House45, Avondale Street, Mountain Ash, CF45 4YY45, Avondale Street, Mountain Ash, CF45 4YY
• Sold Nov 2018£82,000 | 3 Bed House39, Walsh Street, Mountain Ash, CF45 4YS39, Walsh Street, Mountain Ash, CF45 4YS
• Sold Jul 2018£26,000 | 3 Bed House26, Walsh Street, Mountain Ash, CF45 4YS26, Walsh Street, Mountain Ash, CF45 4YS
• Sold Apr 2017£63,500 | 3 Bed House4, Bagot Street, Mountain Ash, CF45 4YW4, Bagot Street, Mountain Ash, CF45 4YW
• Sold Jun 2015£38,000 | 3 Bed House9, Bagot Street, Mountain Ash, CF45 4YW9, Bagot Street, Mountain Ash, CF45 4YW
• Sold Apr 2015£47,000 | 3 Bed House3, Walsh Street, Mountain Ash, CF45 4YS3, Walsh Street, Mountain Ash, CF45 4YS
• Sold Sep 2014£50,000 | 3 Bed House13, Homerton Street, Mountain Ash, CF45 4YP13, Homerton Street, Mountain Ash, CF45 4YP
• Sold Sep 2014£50,000 | 3 Bed House80, Bryntirion, Mountain Ash, CF45 4EX80, Bryntirion, Mountain Ash, CF45 4EX
• Sold May 2014£40,000 | 3 Bed House4, Walsh Street, Mountain Ash, CF45 4YS4, Walsh Street, Mountain Ash, CF45 4YS
• Sold Jul 2013£55,000 | 3 Bed House35, Walsh Street, Mountain Ash, CF45 4YS35, Walsh Street, Mountain Ash, CF45 4YS
• Sold Feb 2010£27,000 | 3 Bed House24, Walsh Street, Mountain Ash, CF45 4YS24, Walsh Street, Mountain Ash, CF45 4YS
• Sold Mar 2009£65,000 | 3 Bed House10, Walsh Street, Mountain Ash, CF45 4YS10, Walsh Street, Mountain Ash, CF45 4YS
• Sold Nov 2007£81,500 | 3 Bed House5, Walsh Street, Mountain Ash, CF45 4YS5, Walsh Street, Mountain Ash, CF45 4YS

Walsh Street, Mountain Ash, CF45 has a total of 39 addresses. According to our analysis of all the public data, 6, Walsh Street, Mountain Ash is the 35th largest and the 36th most expensive property on the street.

When compared to the postcode district it is £71k less expensive than the average property in CF45.

• Penrhiwceiber

  |

  1.3 km away
• Quakers Yard

  |

  1.7 km away
• Abercynon

  |

  2.3 km away

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