According to data from HM Land Registry, 427, Fernhill, Mountain Ash sits on a plot of 99 m².

We have plot size data on 13 out of 14 other houses in the postcode and 427, Fernhill, Mountain Ash sits on the 9th largest plot.

427, Fernhill, Mountain Ash has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 01 Jul 2020.

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, 427, Fernhill, Mountain Ash was last sold on 21st December 2020 for £67,000 and was recorded as a freehold house.

The property has only had this single sale since 1995.

Since December 2020, the market for similar properties has risen by 114.8%.

• Sold Dec 2020£67,000

According to the Land Registry and our network of Estate Agents, there have been 56 sales of properties similar to 427, Fernhill, Mountain Ash within a radius of 1.3 kilometres since 2010.

The most recent example is 19, Mostyn Street, Aberdare, CF44 6BA, a freehold house which sold for £137,000 on the 24th November 2025.

Read more about house prices in CF45.

• Sold Nov 2025£137,000 | 3 Bed House19, Mostyn Street, Aberdare, CF44 6BA19, Mostyn Street, Aberdare, CF44 6BA
• Sold Oct 2025£80,000 | 3 Bed House20, Bronallt Terrace, Aberdare, CF44 6BW20, Bronallt Terrace, Aberdare, CF44 6BW
• Sold Dec 2024£85,000 | 3 Bed House9, Bronallt Terrace, Aberdare, CF44 6BW9, Bronallt Terrace, Aberdare, CF44 6BW
• Sold Oct 2024£78,000 | 3 Bed House27, Bronallt Terrace, Aberdare, CF44 6BW27, Bronallt Terrace, Aberdare, CF44 6BW
• Sold Feb 2024£65,000 | 3 Bed House41, John Street, Aberdare, CF44 6BL41, John Street, Aberdare, CF44 6BL
• Sold Dec 2023£90,000 | 3 Bed House8, Bronallt Terrace, Aberdare, CF44 6BW8, Bronallt Terrace, Aberdare, CF44 6BW
• Sold Nov 2023£56,000 | 3 Bed House12, Mostyn Street, Aberdare, CF44 6BA12, Mostyn Street, Aberdare, CF44 6BA
• Sold Oct 2023£62,000 | 3 Bed House15, Bronallt Terrace, Aberdare, CF44 6BW15, Bronallt Terrace, Aberdare, CF44 6BW
• Sold Dec 2022£70,000 | 3 Bed House63, Fernhill, Mountain Ash, CF45 3EF63, Fernhill, Mountain Ash, CF45 3EF
• Sold Sep 2022£74,995 | 3 Bed House1, Bronallt Terrace, Aberdare, CF44 6BW1, Bronallt Terrace, Aberdare, CF44 6BW
• Sold Jun 2022£75,000 | 3 Bed House94, Fernhill, Mountain Ash, CF45 3EF94, Fernhill, Mountain Ash, CF45 3EF
• Sold Jun 2022£75,000 | 3 Bed House202, Fernhill, Mountain Ash, CF45 3EH202, Fernhill, Mountain Ash, CF45 3EH
• Sold May 2022£76,000 | 3 Bed House58, Fernhill, Mountain Ash, CF45 3EF58, Fernhill, Mountain Ash, CF45 3EF
• Sold Jan 2022£65,000 | 3 Bed House57, Fernhill, Mountain Ash, CF45 3EF57, Fernhill, Mountain Ash, CF45 3EF
• Sold Dec 2021£70,000 | 3 Bed House21, Bronallt Terrace, Aberdare, CF44 6BW21, Bronallt Terrace, Aberdare, CF44 6BW
• Sold Nov 2021£80,000 | 3 Bed House231, Fernhill, Mountain Ash, CF45 3EL231, Fernhill, Mountain Ash, CF45 3EL
• Sold Feb 2014£45,000 | 3 Bed House25, Fernhill, Mountain Ash, CF45 3EE25, Fernhill, Mountain Ash, CF45 3EE
• Sold Nov 2013£40,000 | 3 Bed House428, Fernhill, Mountain Ash, CF45 3EP428, Fernhill, Mountain Ash, CF45 3EP
• Sold Feb 2013£41,500 | 3 Bed House92, Fernhill, Mountain Ash, CF45 3EF92, Fernhill, Mountain Ash, CF45 3EF
• Sold Dec 2010£35,000 | 3 Bed House26, Fernhill, Mountain Ash, CF45 3EE26, Fernhill, Mountain Ash, CF45 3EE

Fernhill, Mountain Ash, CF45 has a total of 356 addresses. According to our analysis of all the public data, 427, Fernhill, Mountain Ash is the 36th largest and the 25th most expensive property on the street.

When compared to the postcode district it is £67k less expensive than the average property in CF45.

• Fernhill

  |

  300 m away
• Mountain Ash

  |

  1.5 km away
• Cwmbach

  |

  2.3 km away

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