40, Llanwonno Road, Mountain Ash occupies a 147 m² plot as recorded by HM Land Registry.

Of the 58 other houses in this postcode, 49 have recorded plot sizes, and this one ranks as the 39th largest.

40, Llanwonno Road, Mountain Ash has an Energy Performance Rating (EPC) of E. This is based on the most recent assessment, dated 08 Jul 2011.

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

Land Registry records and our Estate Agent network show 245 sales of comparable properties within 620 metres of 40, Llanwonno Road, Mountain Ash since 2019.

Most recently, 43, Cilhaul Terrace, Mountain Ash, CF45 3ND, a freehold house, sold at £157,000 on the 13th February 2026.

Read more about house prices in CF45.

• Sold Feb 2026£157,000 | 3 Bed House43, Cilhaul Terrace, Mountain Ash, CF45 3ND43, Cilhaul Terrace, Mountain Ash, CF45 3ND
• Sold Jan 2026£125,000 | 3 Bed House67, Brynifor, Mountain Ash, CF45 3AB67, Brynifor, Mountain Ash, CF45 3AB
• Sold Nov 2025£105,000 | 3 Bed House38, Llanwonno Road, Mountain Ash, CF45 3NB38, Llanwonno Road, Mountain Ash, CF45 3NB
• Sold Nov 2025£115,000 | 3 Bed House81, Duffryn Street, Mountain Ash, CF45 3HR81, Duffryn Street, Mountain Ash, CF45 3HR
• Sold Oct 2025£112,000 | 3 Bed House32, Oakland Street, Mountain Ash, CF45 3AL32, Oakland Street, Mountain Ash, CF45 3AL
• Sold May 2025£165,000 | 3 Bed House26, Cilhaul Terrace, Mountain Ash, CF45 3ND26, Cilhaul Terrace, Mountain Ash, CF45 3ND
• Sold Mar 2025£118,000 | 3 Bed House39, Brynifor, Mountain Ash, CF45 3AB39, Brynifor, Mountain Ash, CF45 3AB
• Sold Aug 2024£111,500 | 3 Bed House50, Cilhaul Terrace, Mountain Ash, CF45 3ND50, Cilhaul Terrace, Mountain Ash, CF45 3ND
• Sold Aug 2024£93,500 | 3 Bed House7, Cilhaul Terrace, Mountain Ash, CF45 3ND7, Cilhaul Terrace, Mountain Ash, CF45 3ND
• Sold Jul 2024£126,000 | 3 Bed House45, Bailey Street, Mountain Ash, CF45 3AS45, Bailey Street, Mountain Ash, CF45 3AS
• Sold Jun 2024£108,000 | 3 Bed House77, Brynifor, Mountain Ash, CF45 3AB77, Brynifor, Mountain Ash, CF45 3AB
• Sold Feb 2023£80,000 | 3 Bed House58, Cilhaul Terrace, Mountain Ash, CF45 3ND58, Cilhaul Terrace, Mountain Ash, CF45 3ND
• Sold Oct 2022£82,500 | 3 Bed House15, Clarence Street, Mountain Ash, CF45 3BB15, Clarence Street, Mountain Ash, CF45 3BB
• Sold Oct 2022£80,000 | 3 Bed House31, Bailey Street, Mountain Ash, CF45 3AS31, Bailey Street, Mountain Ash, CF45 3AS
• Sold May 2022£148,000 | 3 Bed House19, Llanwonno Road, Mountain Ash, CF45 3NB19, Llanwonno Road, Mountain Ash, CF45 3NB
• Sold May 2022£75,000 | 3 Bed House39, Bailey Street, Mountain Ash, CF45 3AS39, Bailey Street, Mountain Ash, CF45 3AS
• Sold Nov 2021£100,000 | 3 Bed House50, Bailey Street, Mountain Ash, CF45 3AS50, Bailey Street, Mountain Ash, CF45 3AS
• Sold Jul 2021£100,000 | 3 Bed House52, Bailey Street, Mountain Ash, CF45 3AS52, Bailey Street, Mountain Ash, CF45 3AS
• Sold Mar 2021£95,000 | 3 Bed House33, Gwernifor Street, Mountain Ash, CF45 3NA33, Gwernifor Street, Mountain Ash, CF45 3NA
• Sold Dec 2019£78,000 | 3 Bed House30, Llanwonno Road, Mountain Ash, CF45 3NB30, Llanwonno Road, Mountain Ash, CF45 3NB

Our analysis of the public data ranks 40, Llanwonno Road, Mountain Ash as the 74th largest and the 74th most expensive of the 78 addresses on Llanwonno Road, Mountain Ash, CF45.

Against the CF45 postcode district average, it is £34k less expensive than the typical property.

• Mountain Ash

  |

  500 m away
• Fernhill

  |

  1.5 km away
• Penrhiwceiber

  |

  1.6 km away

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