HM Land Registry records the plot of land for Bwythyn Bach, Mountain Ash as measuring 59 m².

That makes it the 37th largest plot in the postcode, where 38 of the 47 other houses have recorded plot data.

Bwythyn Bach, Mountain Ash has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 17 Jul 2023.

The property is not connected to mains gas and has fully double glazed windows. It is heated using air source heat pump (radiators, electric).

The most recent sale of Bwythyn Bach, Mountain Ash completed on 25th November 2024 at £70,000 and was recorded by HM Land Registry as a freehold house.

Since 1995 this is the property's only sale.

Values of comparable properties have risen by 78.8% over the period since November 2024.

• Sold Nov 2024£70,000

Since 2007 814 properties have sold within 530 metres of Bwythyn Bach, Mountain Ash, per the Land Registry and our network of Estate Agents.

The latest, on the 2nd February 2026, was 32, High Street, Mountain Ash, CF45 3PE, a freehold house which sold for £53,000.

Read more about house prices in CF45.

• Sold Feb 2026£53,000 | 3 Bed House32, High Street, Mountain Ash, CF45 3PE32, High Street, Mountain Ash, CF45 3PE
• Sold Dec 2025£112,500 | 3 Bed House24, Pryce Street, Mountain Ash, CF45 3NT24, Pryce Street, Mountain Ash, CF45 3NT
• Sold Dec 2024£105,000 | 3 Bed House5, Woodland Street, Mountain Ash, CF45 3RR5, Woodland Street, Mountain Ash, CF45 3RR
• Sold Dec 2024£115,000 | 3 Bed House19, Pryce Street, Mountain Ash, CF45 3NT19, Pryce Street, Mountain Ash, CF45 3NT
• Sold Aug 2024£30,000 | 3 Bed House40, High Street, Mountain Ash, CF45 3PE40, High Street, Mountain Ash, CF45 3PE
• Sold Dec 2022£125,000 | 3 Bed House43, High Street, Mountain Ash, CF45 3PE43, High Street, Mountain Ash, CF45 3PE
• Sold May 2022£119,950 | 3 Bed House6, Woodland Street, Mountain Ash, CF45 3RR6, Woodland Street, Mountain Ash, CF45 3RR
• Sold Sep 2018£54,000 | 3 Bed House37, High Street, Mountain Ash, CF45 3PE37, High Street, Mountain Ash, CF45 3PE
• Sold Jul 2018£39,999 | 3 Bed House34, High Street, Mountain Ash, CF45 3PE34, High Street, Mountain Ash, CF45 3PE
• Sold Apr 2018£98,000 | 3 Bed House8, Woodland Street, Mountain Ash, CF45 3RR8, Woodland Street, Mountain Ash, CF45 3RR
• Sold Nov 2017£64,500 | 3 Bed House35, High Street, Mountain Ash, CF45 3PE35, High Street, Mountain Ash, CF45 3PE
• Sold Oct 2017£58,000 | 3 Bed House45, High Street, Mountain Ash, CF45 3PE45, High Street, Mountain Ash, CF45 3PE
• Sold Jun 2017£84,995 | 3 Bed House2, Woodland Street, Mountain Ash, CF45 3RR2, Woodland Street, Mountain Ash, CF45 3RR
• Sold Mar 2015£30,000 | 2 Bed House48, High Street, Mountain Ash, CF45 3PE48, High Street, Mountain Ash, CF45 3PE
• Sold Mar 2014£44,000 | 2 Bed House33, High Street, Mountain Ash, CF45 3PE33, High Street, Mountain Ash, CF45 3PE
• Sold Jul 2013£32,000 | 3 Bed House21, Pryce Street, Mountain Ash, CF45 3NT21, Pryce Street, Mountain Ash, CF45 3NT
• Sold Jun 2013£52,000 | 3 Bed House26, Pryce Street, Mountain Ash, CF45 3NT26, Pryce Street, Mountain Ash, CF45 3NT
• Sold Nov 2010£55,000 | 3 Bed House23, Pryce Street, Mountain Ash, CF45 3NT23, Pryce Street, Mountain Ash, CF45 3NT
• Sold Mar 2009£38,000 | 3 Bed House30, High Street, Mountain Ash, CF45 3PE30, High Street, Mountain Ash, CF45 3PE
• Sold Jul 2007£65,000 | 3 Bed House50, High Street, Mountain Ash, CF45 3PE50, High Street, Mountain Ash, CF45 3PE

Of the 135 addresses on High Street, Mountain Ash, CF45, Bwythyn Bach, Mountain Ash comes out as the 134th largest and the 123rd most expensive in our analysis of the public data.

It is also £104k less expensive than the average property across the CF45 district.

• Mountain Ash

  |

  400 m away
• Fernhill

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  1.1 km away
• Penrhiwceiber

  |

  2.0 km away

The flood risk here is rated Very Low, based on Environment Agency data.