According to data from HM Land Registry, The Willow, Mountain Ash sits on a plot of 188 m².

We have plot size data on 22 out of 26 other houses in the postcode and The Willow, Mountain Ash sits on the 3rd largest plot.

The Willow, Mountain Ash has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 22 Apr 2021.

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 90 sales of properties similar to The Willow, Mountain Ash within a radius of 610 metres since 2017.

The most recent example is 29, Coplestone Street, Mountain Ash, CF45 3LY, a freehold house which sold for £150,000 on the 21st November 2025.

Read more about house prices in CF45.

• Sold Nov 2025£150,000 | 3 Bed House29, Coplestone Street, Mountain Ash, CF45 3LY29, Coplestone Street, Mountain Ash, CF45 3LY
• Sold Jul 2025£145,000 | 3 Bed House42, Coplestone Street, Mountain Ash, CF45 3LY42, Coplestone Street, Mountain Ash, CF45 3LY
• Sold Jun 2025£132,500 | 3 Bed House28, Kingcraft Street, Mountain Ash, CF45 3LT28, Kingcraft Street, Mountain Ash, CF45 3LT
• Sold Jun 2025£139,950 | 3 Bed House98, Brynifor, Mountain Ash, CF45 3AB98, Brynifor, Mountain Ash, CF45 3AB
• Sold May 2025£116,500 | 3 Bed House17, Coplestone Street, Mountain Ash, CF45 3LY17, Coplestone Street, Mountain Ash, CF45 3LY
• Sold May 2025£67,000 | 3 Bed House20, Commercial Street, Mountain Ash, CF45 3PS20, Commercial Street, Mountain Ash, CF45 3PS
• Sold Feb 2025£122,000 | 3 Bed House21, Darran Road, Mountain Ash, CF45 3HT21, Darran Road, Mountain Ash, CF45 3HT
• Sold Feb 2025£100,000 | 3 Bed House10, Coplestone Street, Mountain Ash, CF45 3LY10, Coplestone Street, Mountain Ash, CF45 3LY
• Sold Feb 2025£73,000 | 3 Bed House4, Coplestone Street, Mountain Ash, CF45 3LY4, Coplestone Street, Mountain Ash, CF45 3LY
• Sold Nov 2024£120,000 | 3 Bed House3, Aberpennar Street, Mountain Ash, CF45 3LS3, Aberpennar Street, Mountain Ash, CF45 3LS
• Sold Aug 2024£105,000 | 3 Bed House43, Aberpennar Street, Mountain Ash, CF45 3LS43, Aberpennar Street, Mountain Ash, CF45 3LS
• Sold Apr 2024£110,000 | 3 Bed House47, Aberpennar Street, Mountain Ash, CF45 3LS47, Aberpennar Street, Mountain Ash, CF45 3LS
• Sold Mar 2024£114,000 | 3 Bed House46, Aberpennar Street, Mountain Ash, CF45 3LS46, Aberpennar Street, Mountain Ash, CF45 3LS
• Sold Feb 2024£112,500 | 3 Bed House12, Coplestone Street, Mountain Ash, CF45 3LY12, Coplestone Street, Mountain Ash, CF45 3LY
• Sold Nov 2022£120,000 | 3 Bed House8, Kingcraft Street, Mountain Ash, CF45 3LT8, Kingcraft Street, Mountain Ash, CF45 3LT
• Sold Oct 2022£130,000 | 3 Bed House16, Kingcraft Street, Mountain Ash, CF45 3LT16, Kingcraft Street, Mountain Ash, CF45 3LT
• Sold Jun 2021£129,000 | 3 Bed House36, Kingcraft Street, Mountain Ash, CF45 3LT36, Kingcraft Street, Mountain Ash, CF45 3LT
• Sold Mar 2020£87,500 | 3 Bed House2, Aberpennar Street, Mountain Ash, CF45 3LS2, Aberpennar Street, Mountain Ash, CF45 3LS
• Sold Feb 2020£80,500 | 3 Bed House28, Aberpennar Street, Mountain Ash, CF45 3LS28, Aberpennar Street, Mountain Ash, CF45 3LS
• Sold Aug 2017£48,000 | 3 Bed House28, Dover Street, Mountain Ash, CF45 3HU28, Dover Street, Mountain Ash, CF45 3HU

Stream Street, Mountain Ash, CF45 has a total of 26 addresses. According to our analysis of all the public data, The Willow, Mountain Ash is the largest and the most expensive property on the street.

When compared to the postcode district it is £40k 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.