According to data from HM Land Registry, 12, Willow Terrace, Mountain Ash sits on a plot of 265 m².

We have plot size data on 18 out of 18 other houses in the postcode and 12, Willow Terrace, Mountain Ash sits on the largest plot.

12, Willow Terrace, Mountain Ash has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 09 Jun 2009.

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 the Land Registry and our network of Estate Agents, there have been 37 sales of properties similar to 12, Willow Terrace, Mountain Ash within a radius of 780 metres since 2007.

The most recent example is 100, Woodfield Terrace, Mountain Ash, CF45 3UT, 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 House100, Woodfield Terrace, Mountain Ash, CF45 3UT100, Woodfield Terrace, Mountain Ash, CF45 3UT
• Sold May 2024£105,000 | 3 Bed House11, Oak Terrace, Mountain Ash, CF45 3PX11, Oak Terrace, Mountain Ash, CF45 3PX
• Sold Apr 2024£80,000 | 3 Bed House10, Oak Terrace, Mountain Ash, CF45 3PX10, Oak Terrace, Mountain Ash, CF45 3PX
• Sold Apr 2023£75,000 | 4 Bed House36, Woodfield Terrace, Mountain Ash, CF45 3UU36, Woodfield Terrace, Mountain Ash, CF45 3UU
• Sold Oct 2022£98,000 | 3 Bed House49, Penrhiwceiber Road, Mountain Ash, CF45 3SN49, Penrhiwceiber Road, Mountain Ash, CF45 3SN
• Sold Jun 2022£92,000 | 3 Bed House23, Arthur Street, Mountain Ash, CF45 3BL23, Arthur Street, Mountain Ash, CF45 3BL
• Sold Mar 2022£50,000 | 4 Bed House58, Woodfield Terrace, Mountain Ash, CF45 3UU58, Woodfield Terrace, Mountain Ash, CF45 3UU
• Sold Jan 2022£72,000 | 3 Bed House32, Woodfield Terrace, Mountain Ash, CF45 3UU32, Woodfield Terrace, Mountain Ash, CF45 3UU
• Sold Dec 2020£70,000 | 4 Bed House2, Gladstone Street, Mountain Ash, CF45 3BT2, Gladstone Street, Mountain Ash, CF45 3BT
• Sold Jul 2020£52,000 | 3 Bed House107, Woodfield Terrace, Mountain Ash, CF45 3UT107, Woodfield Terrace, Mountain Ash, CF45 3UT
• Sold Dec 2019£53,000 | 3 Bed House94, Woodfield Terrace, Mountain Ash, CF45 3UU94, Woodfield Terrace, Mountain Ash, CF45 3UU
• Sold Oct 2018£295,000 | 4 Bed House1 Perthcelyn Cottages, Mountain Ash, CF45 3YJ1 Perthcelyn Cottages, Mountain Ash, CF45 3YJ
• Sold Sep 2018£65,000 | 3 Bed House98, Woodfield Terrace, Mountain Ash, CF45 3UT98, Woodfield Terrace, Mountain Ash, CF45 3UT
• Sold Nov 2017£87,000 | 3 Bed House10, Station Terrace, Mountain Ash, CF45 3SS10, Station Terrace, Mountain Ash, CF45 3SS
• Sold Nov 2014£30,000 | 4 Bed House49, Woodfield Terrace, Mountain Ash, CF45 3YA49, Woodfield Terrace, Mountain Ash, CF45 3YA
• Sold Nov 2012£62,500 | 3 Bed House12, Station Terrace, Mountain Ash, CF45 3SS12, Station Terrace, Mountain Ash, CF45 3SS
• Sold Nov 2010£84,200 | 3 Bed House12, Penybryn Terrace, Mountain Ash, CF45 3TJ12, Penybryn Terrace, Mountain Ash, CF45 3TJ
• Sold Oct 2010£67,500 | 4 Bed House6, Park Street, Mountain Ash, CF45 3YL6, Park Street, Mountain Ash, CF45 3YL
• Sold Oct 2009£85,000 | 3 Bed House13, Penybryn Terrace, Mountain Ash, CF45 3TJ13, Penybryn Terrace, Mountain Ash, CF45 3TJ
• Sold Aug 2007£90,000 | 3 Bed House28, Penybryn Terrace, Mountain Ash, CF45 3TJ28, Penybryn Terrace, Mountain Ash, CF45 3TJ

Willow Terrace, Mountain Ash, CF45 has a total of 18 addresses. According to our analysis of all the public data, 12, Willow Terrace, Mountain Ash is the largest and the most expensive property on the street.

When compared to the postcode district it is £47k less expensive than the average property in CF45.

• Penrhiwceiber

  |

  400 m away
• Mountain Ash

  |

  1.5 km away
• Fernhill

  |

  2.8 km away

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