HM Land Registry records the plot of land for 9, Quarry Road, Mountain Ash as measuring 138 m².

That makes it the 2nd largest plot in the postcode, where 8 of the 10 other houses have recorded plot data.

9, Quarry Road, Mountain Ash has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 02 Oct 2025.

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

The most recent sale of 9, Quarry Road, Mountain Ash completed on 4th November 2016 at £114,950 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 110.9% over the period since November 2016.

• Sold Nov 2016£114,950

Since 2012 34 properties similar to 9, Quarry Road, Mountain Ash have sold within a radius of 560 metres, per the Land Registry and our network of Estate Agents.

The latest, on the 24th November 2025, was 38, Aberpennar Street, Mountain Ash, CF45 3LS, a freehold house which sold for £157,000.

Read more about house prices in CF45.

• Sold Nov 2025£157,000 | 4 Bed House38, Aberpennar Street, Mountain Ash, CF45 3LS38, Aberpennar Street, Mountain Ash, CF45 3LS
• Sold Oct 2025£180,000 | 4 Bed House44, Ceridwen Street, Mountain Ash, CF45 3LU44, Ceridwen Street, Mountain Ash, CF45 3LU
• Sold Sep 2025£142,000 | 4 Bed House33, Kingcraft Street, Mountain Ash, CF45 3LT33, Kingcraft Street, Mountain Ash, CF45 3LT
• Sold Oct 2024£130,000 | 4 Bed House23, Coplestone Street, Mountain Ash, CF45 3LY23, Coplestone Street, Mountain Ash, CF45 3LY
• Sold Jul 2024£130,000 | 4 Bed House58, Arnold Street, Mountain Ash, CF45 4LF58, Arnold Street, Mountain Ash, CF45 4LF
• Sold Jul 2023£70,000 | 4 Bed House26, Copley Street, Mountain Ash, CF45 4AS26, Copley Street, Mountain Ash, CF45 4AS
• Sold Apr 2023£140,000 | 4 Bed House1, Aberpennar Street, Mountain Ash, CF45 3LS1, Aberpennar Street, Mountain Ash, CF45 3LS
• Sold Jul 2022£124,000 | 4 Bed House16, Coplestone Street, Mountain Ash, CF45 3LY16, Coplestone Street, Mountain Ash, CF45 3LY
• Sold Apr 2022£93,000 | 4 Bed House10, Darran Road, Mountain Ash, CF45 3HT10, Darran Road, Mountain Ash, CF45 3HT
• Sold Apr 2022£145,000 | 4 Bed House19, Aberpennar Street, Mountain Ash, CF45 3LS19, Aberpennar Street, Mountain Ash, CF45 3LS
• Sold Mar 2022£127,500 | 4 Bed House3, Knight Street, Mountain Ash, CF45 3EY3, Knight Street, Mountain Ash, CF45 3EY
• Sold Feb 2022£138,000 | 4 Bed House36, Coplestone Street, Mountain Ash, CF45 3LY36, Coplestone Street, Mountain Ash, CF45 3LY
• Sold Sep 2021£129,950 | 4 Bed House17, Aberpennar Street, Mountain Ash, CF45 3LS17, Aberpennar Street, Mountain Ash, CF45 3LS
• Sold Feb 2021£115,000 | 4 Bed House28, Woodland Street, Mountain Ash, CF45 3RR28, Woodland Street, Mountain Ash, CF45 3RR
• Sold Nov 2020£134,995 | 4 Bed House1, Victor Street, Mountain Ash, CF45 3LG1, Victor Street, Mountain Ash, CF45 3LG
• Sold Jan 2020£100,000 | 4 Bed House32, Kingcraft Street, Mountain Ash, CF45 3LT32, Kingcraft Street, Mountain Ash, CF45 3LT
• Sold Apr 2018£75,000 | 4 Bed House2, Phillip Street, Mountain Ash, CF45 4BE2, Phillip Street, Mountain Ash, CF45 4BE
• Sold Mar 2018£45,500 | 4 Bed House11, Allen Street, Mountain Ash, CF45 4BD11, Allen Street, Mountain Ash, CF45 4BD
• Sold Jul 2017£111,000 | 4 Bed House25, Aberpennar Street, Mountain Ash, CF45 3LS25, Aberpennar Street, Mountain Ash, CF45 3LS
• Sold Dec 2012£109,950 | 4 Bed House18, Aberpennar Street, Mountain Ash, CF45 3LS18, Aberpennar Street, Mountain Ash, CF45 3LS

Of the 10 addresses on Quarry Road, Mountain Ash, CF45, 9, Quarry Road, Mountain Ash comes out as the 2nd largest and the 2nd most expensive in our analysis of the public data.

It is also £5k less expensive than the average property across the CF45 district.

• Mountain Ash

  |

  300 m away
• Fernhill

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  1.1 km away
• Penrhiwceiber

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  2.0 km away

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