According to data from HM Land Registry, 14, Cliff Street, Mountain Ash sits on a plot of 79 m².

We have plot size data on 35 out of 42 other houses in the postcode and 14, Cliff Street, Mountain Ash sits on the 23rd largest plot.

14, Cliff Street, Mountain Ash has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 23 Sep 2022.

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

According to HM Land Registry, 14, Cliff Street, Mountain Ash was last sold on 3rd February 2023 for £95,000 and was recorded as a freehold house.

The property has only had this single sale since 1995.

Since February 2023, the market for similar properties has risen by 30.8%.

• Sold Feb 2023£95,000

According to the Land Registry and our network of Estate Agents, there have been 178 sales of properties similar to 14, Cliff Street, Mountain Ash within a radius of 580 metres since 2016.

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

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 Mar 2025£80,000 | 3 Bed House15, Victor Street, Mountain Ash, CF45 3LG15, Victor Street, Mountain Ash, CF45 3LG
• Sold Dec 2024£85,000 | 3 Bed House55, Napier Street, Mountain Ash, CF45 3HW55, Napier Street, Mountain Ash, CF45 3HW
• 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 Nov 2022£85,000 | 3 Bed House72, Duffryn Street, Mountain Ash, CF45 3HR72, Duffryn Street, Mountain Ash, CF45 3HR
• 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 2019£58,000 | 3 Bed House25, Dover Street, Mountain Ash, CF45 3HU25, Dover Street, Mountain Ash, CF45 3HU
• Sold Mar 2016£55,000 | 3 Bed House16, Cliff Street, Mountain Ash, CF45 3LE16, Cliff Street, Mountain Ash, CF45 3LE

Cliff Street, Mountain Ash, CF45 has a total of 42 addresses. According to our analysis of all the public data, 14, Cliff Street, Mountain Ash is the 19th largest and the 19th most expensive property on the street.

When compared to the postcode district it is £51k less expensive than the average property in CF45.

• Mountain Ash

  |

  300 m away
• Fernhill

  |

  1.2 km away
• Penrhiwceiber

  |

  1.9 km away

According to data from the Environment Agency, the flood risk in this area is considered to be Very Low.