9, Cwm Alarch, Mountain Ash occupies a 457 m² plot as recorded by HM Land Registry.

Of the 17 other houses in this postcode, 14 have recorded plot sizes, and this one ranks as the 7th largest.

9, Cwm Alarch, Mountain Ash has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 13 Jan 2021.

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

9, Cwm Alarch, Mountain Ash last changed hands on 17th September 2021, selling for £160,000. The transaction was logged as a freehold house by HM Land Registry.

That is its only recorded sale since 1995.

The market for similar properties has risen by 91.8% since September 2021.

• Sold Sep 2021£160,000

Land Registry records and our Estate Agent network show 38 sales of comparable properties within 1.2 kilometres of 9, Cwm Alarch, Mountain Ash since 2013.

Most recently, 39, Forest View, Mountain Ash, CF45 3DU, a freehold house, sold at £169,950 on the 17th July 2025.

Read more about house prices in CF45.

• Sold Jul 2025£169,950 | 3 Bed House39, Forest View, Mountain Ash, CF45 3DU39, Forest View, Mountain Ash, CF45 3DU
• Sold Feb 2023£190,000 | 3 Bed House21, Forest View, Mountain Ash, CF45 3DU21, Forest View, Mountain Ash, CF45 3DU
• Sold Jan 2023£190,000 | 3 Bed House74, Forest View, Mountain Ash, CF45 3DU74, Forest View, Mountain Ash, CF45 3DU
• Sold Jul 2022£230,000 | 3 Bed House75, Forest View, Mountain Ash, CF45 3DU75, Forest View, Mountain Ash, CF45 3DU
• Sold May 2022£275,000 | 3 Bed House79, Forest View, Mountain Ash, CF45 3DU79, Forest View, Mountain Ash, CF45 3DU
• Sold Dec 2021£210,000 | 3 Bed House31, Forest View, Mountain Ash, CF45 3DU31, Forest View, Mountain Ash, CF45 3DU
• Sold Dec 2021£180,000 | 3 Bed House4, Cwm Alarch, Mountain Ash, CF45 3DR4, Cwm Alarch, Mountain Ash, CF45 3DR
• Sold Apr 2021£185,000 | 3 Bed House2, Forest View, Mountain Ash, CF45 3DU2, Forest View, Mountain Ash, CF45 3DU
• Sold Mar 2021£165,000 | 3 Bed House4, Cwm Alarch Close, Mountain Ash, CF45 3DT4, Cwm Alarch Close, Mountain Ash, CF45 3DT
• Sold Mar 2020£130,000 | 3 Bed House17, Glenbrook, Mountain Ash, CF45 3DH17, Glenbrook, Mountain Ash, CF45 3DH
• Sold Jul 2019£131,000 | 3 Bed House16, Boi Close, Mountain Ash, CF45 3DP16, Boi Close, Mountain Ash, CF45 3DP
• Sold Apr 2019£123,000 | 3 Bed House61, Forest View, Mountain Ash, CF45 3DU61, Forest View, Mountain Ash, CF45 3DU
• Sold Sep 2018£100,000 | 3 Bed House21, Glenboi, Mountain Ash, CF45 3DG21, Glenboi, Mountain Ash, CF45 3DG
• Sold Mar 2018£134,995 | 3 Bed House64, Forest View, Mountain Ash, CF45 3DU64, Forest View, Mountain Ash, CF45 3DU
• Sold Jan 2017£149,000 | 3 Bed House4, Abercwmboi Isaf Road, Mountain Ash, CF45 3DW4, Abercwmboi Isaf Road, Mountain Ash, CF45 3DW
• Sold Sep 2016£115,000 | 3 Bed House11, Glenbrook, Mountain Ash, CF45 3DH11, Glenbrook, Mountain Ash, CF45 3DH
• Sold Jan 2015£100,000 | 3 Bed House3, Glen Close, Mountain Ash, CF45 3DL3, Glen Close, Mountain Ash, CF45 3DL
• Sold Nov 2014£120,000 | 3 Bed House2, Abercwmboi Isaf Road, Mountain Ash, CF45 3DW2, Abercwmboi Isaf Road, Mountain Ash, CF45 3DW
• Sold Aug 2014£103,000 | 3 Bed House9, Forest View, Mountain Ash, CF45 3DU9, Forest View, Mountain Ash, CF45 3DU
• Sold Aug 2013£91,000 | 3 Bed House27, Forest View, Mountain Ash, CF45 3DU27, Forest View, Mountain Ash, CF45 3DU

Our analysis of the public data ranks 9, Cwm Alarch, Mountain Ash as the 8th largest and the 8th most expensive of the 17 addresses on Cwm Alarch, Mountain Ash, CF45.

Against the CF45 postcode district average, it is £48k more expensive than the typical property.

• Fernhill

  |

  400 m away
• Mountain Ash

  |

  1.5 km away
• Cwmbach

  |

  2.4 km away

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