6, Cwm Alarch Close, Mountain Ash occupies a 758 m² plot as recorded by HM Land Registry.

Of the 6 other houses in this postcode, 3 have recorded plot sizes, and this one ranks as the largest.

6, Cwm Alarch Close, Mountain Ash has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 02 Sep 2013.

The property is not 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 28 sales of comparable properties within 1.1 kilometres of 6, Cwm Alarch Close, Mountain Ash since 2012.

Most recently, Brynteg, High Street, Mountain Ash, CF45 3PB, a freehold house, sold at £275,000 on the 12th February 2026.

Read more about house prices in CF45.

• Sold Feb 2026£275,000 | 4 Bed HouseBrynteg, High Street, Mountain Ash, CF45 3PBBrynteg, High Street, Mountain Ash, CF45 3PB
• Sold Jul 2025£220,000 | 4 Bed HouseGreenala, Heol Penrhiw, Mountain Ash, CF45 4DSGreenala, Heol Penrhiw, Mountain Ash, CF45 4DS
• Sold Jul 2024£100,000 | 4 Bed House3, Trem Y Dyffryn, Mountain Ash, CF45 4AQ3, Trem Y Dyffryn, Mountain Ash, CF45 4AQ
• Sold Jan 2024£225,000 | 3 Bed House18, Glenbrook, Mountain Ash, CF45 3DH18, Glenbrook, Mountain Ash, CF45 3DH
• Sold Oct 2023£225,000 | 4 Bed House58, Forest View, Mountain Ash, CF45 3DU58, Forest View, Mountain Ash, CF45 3DU
• Sold Dec 2022£180,000 | 3 Bed House8, Glenbrook, Mountain Ash, CF45 3DH8, Glenbrook, Mountain Ash, CF45 3DH
• Sold Apr 2022£262,000 | 4 Bed House41, Forest View, Mountain Ash, CF45 3DU41, Forest View, Mountain Ash, CF45 3DU
• Sold Oct 2021£165,000 | 3 Bed House3, Glenbrook, Mountain Ash, CF45 3DH3, Glenbrook, Mountain Ash, CF45 3DH
• Sold Jun 2021£98,000 | 4 Bed House2 Brynderwen Villas, Aberdare Road, Mountain Ash, CF45 3PU2 Brynderwen Villas, Aberdare Road, Mountain Ash, CF45 3PU
• Sold Nov 2020£169,995 | 4 Bed House9, Boi Close, Mountain Ash, CF45 3DP9, Boi Close, Mountain Ash, CF45 3DP
• Sold Oct 2020£200,000 | 4 Bed HouseMeysydd, Heol Penrhiw, Mountain Ash, CF45 4DSMeysydd, Heol Penrhiw, Mountain Ash, CF45 4DS
• Sold Apr 2019£173,000 | 3 Bed House28, Trem Y Dyffryn, Mountain Ash, CF45 4AQ28, Trem Y Dyffryn, Mountain Ash, CF45 4AQ
• Sold Jan 2019£165,000 | 4 Bed House28, Forest View, Mountain Ash, CF45 3DU28, Forest View, Mountain Ash, CF45 3DU
• Sold Aug 2017£149,000 | 3 Bed House3, Abercwmboi Isaf Road, Mountain Ash, CF45 3DW3, Abercwmboi Isaf Road, Mountain Ash, CF45 3DW
• Sold Jun 2016£124,950 | 3 Bed House67, Forest View, Mountain Ash, CF45 3DU67, Forest View, Mountain Ash, CF45 3DU
• Sold Apr 2016£125,000 | 3 Bed House6, Cwm Alarch, Mountain Ash, CF45 3DR6, Cwm Alarch, Mountain Ash, CF45 3DR
• Sold Mar 2016£127,000 | 3 Bed House6, Glenbrook, Mountain Ash, CF45 3DH6, Glenbrook, Mountain Ash, CF45 3DH
• Sold Jul 2014£155,000 | 3 Bed House32, Glenboi, Mountain Ash, CF45 3DG32, Glenboi, Mountain Ash, CF45 3DG
• Sold May 2013£145,000 | 4 Bed House12, Cwm Alarch, Mountain Ash, CF45 3DR12, Cwm Alarch, Mountain Ash, CF45 3DR
• Sold Aug 2012£135,000 | 3 Bed House57, Forest View, Mountain Ash, CF45 3DU57, Forest View, Mountain Ash, CF45 3DU

Our analysis of the public data ranks 6, Cwm Alarch Close, Mountain Ash as the largest and the most expensive of the 6 addresses on Cwm Alarch Close, Mountain Ash, CF45.

Against the CF45 postcode district average, it is £93k more expensive than the typical property.

• Fernhill

  |

  300 m away
• Mountain Ash

  |

  1.3 km away
• Cwmbach

  |

  2.4 km away

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