15, Walsh Street, Mountain Ash occupies a 115 m² plot as recorded by HM Land Registry.

Of the 39 other houses in this postcode, 35 have recorded plot sizes, and this one ranks as the 6th largest.

15, Walsh Street, Mountain Ash has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 27 Jun 2016.

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

15, Walsh Street, Mountain Ash last changed hands on 12th September 2000, selling for £24,950. The transaction was logged as a freehold house by HM Land Registry.

That is its only recorded sale since 1995.

• Sold Sep 2000£24,950

Land Registry records and our Estate Agent network show 26 sales of comparable properties within 1.6 kilometres of 15, Walsh Street, Mountain Ash since 2010.

Most recently, 17, Homerton Street, Mountain Ash, CF45 4YP, a freehold house, sold at £95,000 on the 8th May 2026.

Read more about house prices in CF45.

• Sold May 2026£95,000 | 3 Bed House17, Homerton Street, Mountain Ash, CF45 4YP17, Homerton Street, Mountain Ash, CF45 4YP
• Sold Feb 2026£105,000 | 3 Bed House25, Walsh Street, Mountain Ash, CF45 4YS25, Walsh Street, Mountain Ash, CF45 4YS
• Sold May 2024£105,000 | 3 Bed House11, Oak Terrace, Mountain Ash, CF45 3PX11, Oak Terrace, Mountain Ash, CF45 3PX
• Sold Jan 2024£125,000 | 3 Bed House65, Penrhiwceiber Road, Mountain Ash, CF45 3SN65, Penrhiwceiber Road, Mountain Ash, CF45 3SN
• Sold Oct 2022£98,000 | 3 Bed House49, Penrhiwceiber Road, Mountain Ash, CF45 3SN49, Penrhiwceiber Road, Mountain Ash, CF45 3SN
• Sold Feb 2022£55,000 | 4 Bed House169, Abercynon Road, Mountain Ash, CF45 4LY169, Abercynon Road, Mountain Ash, CF45 4LY
• Sold Sep 2021£115,000 | 4 Bed House2, Halswell Street, Mountain Ash, CF45 4YN2, Halswell Street, Mountain Ash, CF45 4YN
• Sold Aug 2021£75,000 | 4 Bed House75, Pentwyn Avenue, Mountain Ash, CF45 4YE75, Pentwyn Avenue, Mountain Ash, CF45 4YE
• Sold Mar 2021£57,500 | 3 Bed House70, Bryntirion, Mountain Ash, CF45 4EX70, Bryntirion, Mountain Ash, CF45 4EX
• Sold Oct 2020£90,000 | 3 Bed House5, Commercial Place, Mountain Ash, CF45 4YR5, Commercial Place, Mountain Ash, CF45 4YR
• Sold Jul 2020£55,000 | 3 Bed House8, Penrhiwceiber Road, Mountain Ash, CF45 3SP8, Penrhiwceiber Road, Mountain Ash, CF45 3SP
• Sold Dec 2019£95,000 | 3 Bed House45, Glamorgan Street, Mountain Ash, CF45 3HX45, Glamorgan Street, Mountain Ash, CF45 3HX
• Sold Feb 2019£50,000 | 3 Bed House27, Walsh Street, Mountain Ash, CF45 4YS27, Walsh Street, Mountain Ash, CF45 4YS
• Sold Nov 2017£87,000 | 3 Bed House10, Station Terrace, Mountain Ash, CF45 3SS10, Station Terrace, Mountain Ash, CF45 3SS
• Sold Nov 2014£41,250 | 3 Bed House30, Station Terrace, Mountain Ash, CF45 3SS30, Station Terrace, Mountain Ash, CF45 3SS
• Sold Sep 2014£64,000 | 3 Bed House173, Abercynon Road, Mountain Ash, CF45 4LY173, Abercynon Road, Mountain Ash, CF45 4LY
• Sold Feb 2013£87,000 | 3 Bed House2A, Rheola Street, Mountain Ash, CF45 3TA2A, Rheola Street, Mountain Ash, CF45 3TA
• Sold Nov 2012£62,500 | 3 Bed House12, Station Terrace, Mountain Ash, CF45 3SS12, Station Terrace, Mountain Ash, CF45 3SS
• Sold Nov 2010£84,200 | 3 Bed House12, Penybryn Terrace, Mountain Ash, CF45 3TJ12, Penybryn Terrace, Mountain Ash, CF45 3TJ
• Sold Aug 2010£65,000 | 3 Bed House17, Morris Avenue, Mountain Ash, CF45 3TW17, Morris Avenue, Mountain Ash, CF45 3TW

Our analysis of the public data ranks 15, Walsh Street, Mountain Ash as the largest and the most expensive of the 39 addresses on Walsh Street, Mountain Ash, CF45.

Against the CF45 postcode district average, it is £50k less expensive than the typical property.

• Penrhiwceiber

  |

  1.3 km away
• Quakers Yard

  |

  1.7 km away
• Abercynon

  |

  2.3 km away

Environment Agency data suggests this area has a Very Low risk of flooding.