According to data from HM Land Registry, 3, Ash Grove, Mountain Ash sits on a plot of 147 m².

We have plot size data on 18 out of 18 other houses in the postcode and 3, Ash Grove, Mountain Ash sits on the 15th largest plot.

3, Ash Grove, Mountain Ash has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 18 Jun 2026.

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 128 sales of properties similar to 3, Ash Grove, Mountain Ash within a radius of 680 metres since 2020.

The most recent example is 30, Penybryn Terrace, Mountain Ash, CF45 3TJ, a freehold house which sold for £100,000 on the 30th January 2026.

Read more about house prices in CF45.

• Sold Jan 2026£100,000 | 3 Bed House30, Penybryn Terrace, Mountain Ash, CF45 3TJ30, Penybryn Terrace, Mountain Ash, CF45 3TJ
• Sold Dec 2025£79,250 | 3 Bed House67, Woodfield Terrace, Mountain Ash, CF45 3YA67, Woodfield Terrace, Mountain Ash, CF45 3YA
• Sold Jul 2025£75,000 | 3 Bed House85, Woodfield Terrace, Mountain Ash, CF45 3YA85, Woodfield Terrace, Mountain Ash, CF45 3YA
• Sold Jul 2025£63,000 | 3 Bed House44, Park Street, Mountain Ash, CF45 3YL44, Park Street, Mountain Ash, CF45 3YL
• Sold Jun 2025£115,000 | 3 Bed House72, Woodfield Terrace, Mountain Ash, CF45 3UU72, Woodfield Terrace, Mountain Ash, CF45 3UU
• Sold May 2025£77,500 | 3 Bed House31, Penybryn Terrace, Mountain Ash, CF45 3TJ31, Penybryn Terrace, Mountain Ash, CF45 3TJ
• Sold May 2025£37,000 | 3 Bed House123, Penrhiwceiber Road, Mountain Ash, CF45 3SG123, Penrhiwceiber Road, Mountain Ash, CF45 3SG
• Sold Mar 2025£71,000 | 3 Bed House149, Penrhiwceiber Road, Mountain Ash, CF45 3SG149, Penrhiwceiber Road, Mountain Ash, CF45 3SG
• Sold Jan 2025£82,500 | 3 Bed House140, Penrhiwceiber Road, Mountain Ash, CF45 3SH140, Penrhiwceiber Road, Mountain Ash, CF45 3SH
• Sold Sep 2024£30,000 | 3 Bed House127, Penrhiwceiber Road, Mountain Ash, CF45 3SG127, Penrhiwceiber Road, Mountain Ash, CF45 3SG
• Sold Jul 2024£83,500 | 3 Bed House54, Woodfield Terrace, Mountain Ash, CF45 3UU54, Woodfield Terrace, Mountain Ash, CF45 3UU
• Sold Jul 2024£90,000 | 3 Bed House163, Penrhiwceiber Road, Mountain Ash, CF45 3SG163, Penrhiwceiber Road, Mountain Ash, CF45 3SG
• Sold Jul 2024£86,500 | 3 Bed House37, Tanycoed Street, Mountain Ash, CF45 3YH37, Tanycoed Street, Mountain Ash, CF45 3YH
• Sold Feb 2024£56,500 | 3 Bed House83, Woodfield Terrace, Mountain Ash, CF45 3YA83, Woodfield Terrace, Mountain Ash, CF45 3YA
• Sold Nov 2023£110,000 | 3 Bed House187, Penrhiwceiber Road, Mountain Ash, CF45 3SG187, Penrhiwceiber Road, Mountain Ash, CF45 3SG
• Sold Jul 2023£80,000 | 3 Bed House88, Woodfield Terrace, Mountain Ash, CF45 3UU88, Woodfield Terrace, Mountain Ash, CF45 3UU
• Sold Feb 2023£45,000 | 3 Bed House99, Ty'R Felin Street, Mountain Ash, CF45 3YP99, Ty'R Felin Street, Mountain Ash, CF45 3YP
• Sold Oct 2022£28,000 | 3 Bed House90, Woodfield Terrace, Mountain Ash, CF45 3UU90, Woodfield Terrace, Mountain Ash, CF45 3UU
• Sold Jul 2021£84,500 | 3 Bed House45, Woodfield Terrace, Mountain Ash, CF45 3YA45, Woodfield Terrace, Mountain Ash, CF45 3YA
• Sold Dec 2020£82,500 | 3 Bed House17, Tanycoed Street, Mountain Ash, CF45 3YH17, Tanycoed Street, Mountain Ash, CF45 3YH

Ash Grove, Mountain Ash, CF45 has a total of 18 addresses. According to our analysis of all the public data, 3, Ash Grove, Mountain Ash is the 2nd largest and the 2nd most expensive property on the street.

When compared to the postcode district it is £63k less expensive than the average property in CF45.

• Penrhiwceiber

  |

  600 m away
• Mountain Ash

  |

  1.4 km away
• Fernhill

  |

  2.6 km away

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