HM Land Registry records the plot of land for 10, Cliff Street, Mountain Ash as measuring 81 m².

That makes it the 16th largest plot in the postcode, where 35 of the 42 other houses have recorded plot data.

10, Cliff Street, Mountain Ash has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 26 Jul 2018.

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

Since 2021 167 properties similar to 10, Cliff Street, Mountain Ash have sold within a radius of 570 metres, per the Land Registry and our network of Estate Agents.

The latest, on the 14th November 2025, was 29, Cliff Street, Mountain Ash, CF45 3LE, a freehold house which sold for £120,000.

Read more about house prices in CF45.

• Sold Nov 2025£120,000 | 3 Bed House29, Cliff Street, Mountain Ash, CF45 3LE29, Cliff Street, Mountain Ash, CF45 3LE
• Sold Sep 2025£112,000 | 3 Bed House31, Napier Street, Mountain Ash, CF45 3HW31, Napier Street, Mountain Ash, CF45 3HW
• Sold Jun 2025£95,000 | 3 Bed House33, Duffryn Street, Mountain Ash, CF45 3NU33, Duffryn Street, Mountain Ash, CF45 3NU
• Sold Nov 2024£100,000 | 3 Bed House21, Dover Street, Mountain Ash, CF45 3HU21, Dover Street, Mountain Ash, CF45 3HU
• Sold Oct 2024£127,500 | 3 Bed House74, Duffryn Street, Mountain Ash, CF45 3HR74, Duffryn Street, Mountain Ash, CF45 3HR
• Sold Jul 2024£72,000 | 3 Bed House20, Stream Street, Mountain Ash, CF45 3LL20, Stream Street, Mountain Ash, CF45 3LL
• Sold Jun 2024£75,000 | 3 Bed House16, Stream Street, Mountain Ash, CF45 3LL16, Stream Street, Mountain Ash, CF45 3LL
• Sold Mar 2024£119,000 | 3 Bed House45, Napier Street, Mountain Ash, CF45 3HW45, Napier Street, Mountain Ash, CF45 3HW
• Sold Dec 2023£56,500 | 3 Bed House58A, Duffryn Street, Mountain Ash, CF45 3HR58A, Duffryn Street, Mountain Ash, CF45 3HR
• 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£108,000 | 3 Bed House13, Stream Street, Mountain Ash, CF45 3LL13, Stream Street, Mountain Ash, CF45 3LL
• Sold Apr 2023£80,000 | 3 Bed House12, Stream Street, Mountain Ash, CF45 3LL12, Stream Street, Mountain Ash, CF45 3LL
• Sold Feb 2023£95,000 | 3 Bed House14, Cliff Street, Mountain Ash, CF45 3LE14, Cliff Street, Mountain Ash, CF45 3LE
• Sold Nov 2022£85,000 | 3 Bed House72, Duffryn Street, Mountain Ash, CF45 3HR72, Duffryn Street, Mountain Ash, CF45 3HR
• Sold Jul 2022£55,000 | 3 Bed House32, Dover Street, Mountain Ash, CF45 3HU32, Dover Street, Mountain Ash, CF45 3HU
• Sold May 2022£75,000 | 3 Bed House75, Duffryn Street, Mountain Ash, CF45 3HR75, Duffryn Street, Mountain Ash, CF45 3HR
• Sold Mar 2022£55,000 | 3 Bed House1A, Cliff Street, Mountain Ash, CF45 3LE1A, Cliff Street, Mountain Ash, CF45 3LE
• Sold Mar 2022£80,000 | 3 Bed House26, Stream Street, Mountain Ash, CF45 3LL26, Stream Street, Mountain Ash, CF45 3LL
• Sold Oct 2021£77,000 | 3 Bed House37, Dover Street, Mountain Ash, CF45 3HU37, Dover Street, Mountain Ash, CF45 3HU

Of the 42 addresses on Cliff Street, Mountain Ash, CF45, 10, Cliff Street, Mountain Ash comes out as the 21st largest and the 21st most expensive in our analysis of the public data.

It is also £53k less expensive than the average property across the CF45 district.

• Mountain Ash

  |

  300 m away
• Fernhill

  |

  1.2 km away
• Penrhiwceiber

  |

  1.9 km away

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