HM Land Registry records the plot of land for 58, Duffryn Street, Mountain Ash as measuring 142 m².

That makes it the 8th largest plot in the postcode, where 26 of the 31 other houses have recorded plot data.

58, Duffryn Street, Mountain Ash has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 31 Jul 2019.

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 58, Duffryn Street, Mountain Ash completed on 8th February 2021 at £68,000 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 41.7% over the period since February 2021.

• Sold Feb 2021£68,000

Since 2021 280 properties similar to 58, Duffryn Street, Mountain Ash have sold within a radius of 520 metres, per the Land Registry and our network of Estate Agents.

The latest, on the 24th April 2026, was 16, Lyle Street, Mountain Ash, CF45 3RG, a freehold house which sold for £95,000.

Read more about house prices in CF45.

• Sold Apr 2026£95,000 | 3 Bed House16, Lyle Street, Mountain Ash, CF45 3RG16, Lyle Street, Mountain Ash, CF45 3RG
• Sold Nov 2025£115,000 | 3 Bed House81, Duffryn Street, Mountain Ash, CF45 3HR81, Duffryn Street, Mountain Ash, CF45 3HR
• Sold Sep 2025£112,000 | 3 Bed House31, Napier Street, Mountain Ash, CF45 3HW31, Napier Street, Mountain Ash, CF45 3HW
• Sold Jul 2025£49,000 | 3 Bed House49, Commercial Street, Mountain Ash, CF45 3PS49, Commercial Street, Mountain Ash, CF45 3PS
• Sold Jan 2025£81,500 | 3 Bed House2, Cliff Street, Mountain Ash, CF45 3LE2, Cliff Street, Mountain Ash, CF45 3LE
• Sold Dec 2024£85,000 | 3 Bed House55, Napier Street, Mountain Ash, CF45 3HW55, Napier Street, Mountain Ash, CF45 3HW
• Sold Dec 2024£105,000 | 3 Bed House5, Woodland Street, Mountain Ash, CF45 3RR5, Woodland Street, Mountain Ash, CF45 3RR
• Sold Oct 2024£55,000 | 3 Bed House39, Dover Street, Mountain Ash, CF45 3HU39, Dover Street, Mountain Ash, CF45 3HU
• Sold Mar 2024£119,000 | 3 Bed House45, Napier Street, Mountain Ash, CF45 3HW45, Napier Street, Mountain Ash, CF45 3HW
• Sold Mar 2024£110,000 | 3 Bed House13, Lyle Street, Mountain Ash, CF45 3RG13, Lyle Street, Mountain Ash, CF45 3RG
• Sold Oct 2023£88,500 | 3 Bed House54, Napier Street, Mountain Ash, CF45 3HW54, Napier Street, Mountain Ash, CF45 3HW
• Sold Aug 2023£60,000 | 3 Bed House7, Cliff Street, Mountain Ash, CF45 3LE7, Cliff Street, Mountain Ash, CF45 3LE
• Sold Jul 2023£85,000 | 3 Bed House82, Duffryn Street, Mountain Ash, CF45 3HR82, Duffryn Street, Mountain Ash, CF45 3HR
• Sold Apr 2023£80,000 | 3 Bed House12, Stream Street, Mountain Ash, CF45 3LL12, Stream Street, Mountain Ash, CF45 3LL
• Sold Jul 2022£87,500 | 3 Bed House35, Napier Street, Mountain Ash, CF45 3HW35, Napier Street, Mountain Ash, CF45 3HW
• Sold Apr 2022£65,000 | 3 Bed House13, Duffryn Street, Mountain Ash, CF45 3NU13, Duffryn Street, Mountain Ash, CF45 3NU
• Sold Mar 2022£110,000 | 3 Bed House9, Duffryn Street, Mountain Ash, CF45 3NU9, Duffryn Street, Mountain Ash, CF45 3NU
• Sold Mar 2021£78,000 | 3 Bed House73, Duffryn Street, Mountain Ash, CF45 3HR73, Duffryn Street, Mountain Ash, CF45 3HR
• Sold Feb 2021£84,000 | 3 Bed House35, Duffryn Street, Mountain Ash, CF45 3NU35, Duffryn Street, Mountain Ash, CF45 3NU
• Sold Jan 2021£42,000 | 3 Bed House12, Oxford Street, Mountain Ash, CF45 3PL12, Oxford Street, Mountain Ash, CF45 3PL

Of the 93 addresses on Duffryn Street, Mountain Ash, CF45, 58, Duffryn Street, Mountain Ash comes out as the 17th largest and the 14th most expensive in our analysis of the public data.

It is also £39k less expensive than the average property across the CF45 district.

• Mountain Ash

  |

  200 m away
• Fernhill

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  1.3 km away
• Penrhiwceiber

  |

  1.8 km away

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