According to data from HM Land Registry, 6, Cwm Alarch, Mountain Ash sits on a plot of 469 m².

We have plot size data on 14 out of 17 other houses in the postcode and 6, Cwm Alarch, Mountain Ash sits on the 5th largest plot.

6, Cwm Alarch, Mountain Ash has an Energy Performance Rating (EPC) of G. This is based on the most recent assessment, dated 29 Oct 2023.

The property is not connected to mains gas and has fully double glazed windows. It is heated using room heaters (electric).

According to HM Land Registry, 6, Cwm Alarch, Mountain Ash was last sold on 19th April 2016 for £125,000 and was recorded as a freehold house.

The property has had 4 sales since 1995.

Since April 2016, the market for similar properties has risen by 176.1%.

• Sold Apr 2016£125,000
• Sold Nov 2010£119,000
• Sold Apr 2000£55,500

According to the Land Registry and our network of Estate Agents, there have been 31 sales of properties similar to 6, Cwm Alarch, Mountain Ash within a radius of 1.2 kilometres since 2007.

The most recent example is 8, Meadow Close, Mountain Ash, CF45 3DN, a freehold house which sold for £200,000 on the 21st November 2025.

Read more about house prices in CF45.

• Sold Nov 2025£200,000 | 3 Bed House8, Meadow Close, Mountain Ash, CF45 3DN8, Meadow Close, Mountain Ash, CF45 3DN
• Sold Jul 2025£220,000 | 4 Bed HouseGreenala, Heol Penrhiw, Mountain Ash, CF45 4DSGreenala, Heol Penrhiw, Mountain Ash, CF45 4DS
• Sold Jul 2025£225,000 | 3 Bed House32, Forest View, Mountain Ash, CF45 3DU32, Forest View, Mountain Ash, CF45 3DU
• Sold May 2024£220,000 | 3 Bed HouseTy Newydd, Middle Row, Mountain Ash, CF45 4DNTy Newydd, Middle Row, Mountain Ash, CF45 4DN
• 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 Jan 2022£230,000 | 3 Bed House20, Forest View, Mountain Ash, CF45 3DU20, 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 Apr 2021£185,000 | 3 Bed House2, Forest View, Mountain Ash, CF45 3DU2, 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 Jul 2017£164,995 | 3 Bed House19, Glenboi, Mountain Ash, CF45 3DG19, Glenboi, Mountain Ash, CF45 3DG
• Sold Aug 2016£105,000 | 3 Bed House10, Glenboi, Mountain Ash, CF45 3DG10, Glenboi, Mountain Ash, CF45 3DG
• Sold Jun 2016£124,950 | 3 Bed House67, Forest View, Mountain Ash, CF45 3DU67, Forest View, Mountain Ash, CF45 3DU
• Sold Mar 2016£127,000 | 3 Bed House6, Glenbrook, Mountain Ash, CF45 3DH6, Glenbrook, Mountain Ash, CF45 3DH
• Sold Oct 2015£132,000 | 3 Bed House5A, Glenboi, Mountain Ash, CF45 3DG5A, Glenboi, Mountain Ash, CF45 3DG
• Sold Aug 2013£91,000 | 3 Bed House27, Forest View, Mountain Ash, CF45 3DU27, Forest View, Mountain Ash, CF45 3DU
• Sold May 2013£145,000 | 4 Bed House12, Cwm Alarch, Mountain Ash, CF45 3DR12, Cwm Alarch, Mountain Ash, CF45 3DR
• Sold Sep 2007£124,510 | 3 Bed House15, Boi Close, Mountain Ash, CF45 3DP15, Boi Close, Mountain Ash, CF45 3DP
• Sold Feb 2007£125,000 | 3 Bed House8, Forest View, Mountain Ash, CF45 3DU8, Forest View, Mountain Ash, CF45 3DU

Cwm Alarch, Mountain Ash, CF45 has a total of 17 addresses. According to our analysis of all the public data, 6, Cwm Alarch, Mountain Ash is the 6th largest and the 6th most expensive property on the street.

When compared to the postcode district it is £67k more expensive than the average property in CF45.

• Fernhill

  |

  400 m away
• Mountain Ash

  |

  1.5 km away
• Cwmbach

  |

  2.4 km away

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