HM Land Registry records the plot of land for 121, Fernhill, Mountain Ash as measuring 105 m².

That makes it the 17th largest plot in the postcode, where 41 of the 42 other houses have recorded plot data.

121, Fernhill, Mountain Ash has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 08 Jan 2016.

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

Since 2013 49 properties similar to 121, Fernhill, Mountain Ash have sold within a radius of 1.4 kilometres, per the Land Registry and our network of Estate Agents.

The latest, on the 10th October 2025, was 20, Bronallt Terrace, Aberdare, CF44 6BW, a freehold house which sold for £80,000.

Read more about house prices in CF45.

• Sold Oct 2025£80,000 | 3 Bed House20, Bronallt Terrace, Aberdare, CF44 6BW20, Bronallt Terrace, Aberdare, CF44 6BW
• Sold Mar 2025£93,000 | 3 Bed House98, John Street, Aberdare, CF44 6BN98, John Street, Aberdare, CF44 6BN
• 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 Jan 2024£75,000 | 3 Bed House158, Fernhill, Mountain Ash, CF45 3EG158, Fernhill, Mountain Ash, CF45 3EG
• Sold Dec 2023£90,000 | 3 Bed House8, Bronallt Terrace, Aberdare, CF44 6BW8, Bronallt Terrace, Aberdare, CF44 6BW
• 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 Dec 2020£67,000 | 3 Bed House427, Fernhill, Mountain Ash, CF45 3EP427, Fernhill, Mountain Ash, CF45 3EP
• Sold Mar 2020£39,999 | 3 Bed House152, Fernhill, Mountain Ash, CF45 3EG152, Fernhill, Mountain Ash, CF45 3EG
• Sold May 2018£57,000 | 3 Bed House24, Bronallt Terrace, Aberdare, CF44 6BW24, Bronallt Terrace, Aberdare, CF44 6BW
• 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

Of the 356 addresses on Fernhill, Mountain Ash, CF45, 121, Fernhill, Mountain Ash comes out as the 194th largest and the 95th most expensive in our analysis of the public data.

It is also £75k less expensive than the average property across the CF45 district.

• Fernhill

  |

  300 m away
• Mountain Ash

  |

  1.7 km away
• Cwmbach

  |

  2.0 km away

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