HM Land Registry records the plot of land for 1, Coplestone Street, Mountain Ash as measuring 153 m².

That makes it the 38th largest plot in the postcode, where 38 of the 44 other houses have recorded plot data.

1, Coplestone Street, Mountain Ash has an Energy Performance Rating (EPC) of E. This is based on the most recent assessment, dated 21 Jun 2010.

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

Since 2018 153 properties similar to 1, Coplestone Street, Mountain Ash have sold within a radius of 640 metres, per the Land Registry and our network of Estate Agents.

The latest, on the 17th April 2026, was 9, Clarence Street, Mountain Ash, CF45 3BB, a freehold house which sold for £130,000.

Read more about house prices in CF45.

• Sold Apr 2026£130,000 | 4 Bed House9, Clarence Street, Mountain Ash, CF45 3BB9, Clarence Street, Mountain Ash, CF45 3BB
• Sold Feb 2026£150,000 | 3 Bed House3, Gwernifor Street, Mountain Ash, CF45 3NA3, Gwernifor Street, Mountain Ash, CF45 3NA
• Sold Dec 2025£130,000 | 3 Bed House11, Clarence Street, Mountain Ash, CF45 3BB11, Clarence Street, Mountain Ash, CF45 3BB
• Sold Nov 2025£150,000 | 3 Bed House29, Coplestone Street, Mountain Ash, CF45 3LY29, Coplestone Street, Mountain Ash, CF45 3LY
• Sold Jul 2025£145,000 | 3 Bed House42, Coplestone Street, Mountain Ash, CF45 3LY42, Coplestone Street, Mountain Ash, CF45 3LY
• Sold Jun 2025£132,500 | 3 Bed House28, Kingcraft Street, Mountain Ash, CF45 3LT28, Kingcraft Street, Mountain Ash, CF45 3LT
• Sold May 2025£116,500 | 3 Bed House17, Coplestone Street, Mountain Ash, CF45 3LY17, Coplestone Street, Mountain Ash, CF45 3LY
• Sold Feb 2025£100,000 | 3 Bed House10, Coplestone Street, Mountain Ash, CF45 3LY10, Coplestone Street, Mountain Ash, CF45 3LY
• Sold Feb 2025£73,000 | 3 Bed House4, Coplestone Street, Mountain Ash, CF45 3LY4, Coplestone Street, Mountain Ash, CF45 3LY
• Sold Nov 2024£120,000 | 3 Bed House3, Aberpennar Street, Mountain Ash, CF45 3LS3, Aberpennar Street, Mountain Ash, CF45 3LS
• Sold Nov 2024£165,000 | 3 Bed House16, Gwernifor Street, Mountain Ash, CF45 3NA16, Gwernifor Street, Mountain Ash, CF45 3NA
• Sold Oct 2024£130,000 | 4 Bed House23, Coplestone Street, Mountain Ash, CF45 3LY23, Coplestone Street, Mountain Ash, CF45 3LY
• Sold Sep 2024£170,000 | 3 Bed House24, Gwernifor Street, Mountain Ash, CF45 3NA24, Gwernifor Street, Mountain Ash, CF45 3NA
• Sold Aug 2024£105,000 | 3 Bed House43, Aberpennar Street, Mountain Ash, CF45 3LS43, Aberpennar Street, Mountain Ash, CF45 3LS
• Sold Feb 2024£112,500 | 3 Bed House12, Coplestone Street, Mountain Ash, CF45 3LY12, Coplestone Street, Mountain Ash, CF45 3LY
• Sold Mar 2023£120,000 | 3 Bed House4, Gwernifor Street, Mountain Ash, CF45 3NA4, Gwernifor Street, Mountain Ash, CF45 3NA
• Sold Nov 2022£120,000 | 3 Bed House8, Kingcraft Street, Mountain Ash, CF45 3LT8, Kingcraft Street, Mountain Ash, CF45 3LT
• Sold Oct 2022£130,000 | 3 Bed House16, Kingcraft Street, Mountain Ash, CF45 3LT16, Kingcraft Street, Mountain Ash, CF45 3LT
• Sold Apr 2022£125,000 | 3 Bed House13, Coplestone Street, Mountain Ash, CF45 3LY13, Coplestone Street, Mountain Ash, CF45 3LY
• Sold Jul 2018£87,000 | 3 Bed House3, Coplestone Street, Mountain Ash, CF45 3LY3, Coplestone Street, Mountain Ash, CF45 3LY

Of the 44 addresses on Coplestone Street, Mountain Ash, CF45, 1, Coplestone Street, Mountain Ash comes out as the 11th largest and the 11th most expensive in our analysis of the public data.

It is also £25k less expensive than the average property across the CF45 district.

• Mountain Ash

  |

  600 m away
• Fernhill

  |

  1.4 km away
• Penrhiwceiber

  |

  1.7 km away

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