4, Austin Street, Mountain Ash has an Energy Performance Rating (EPC) of E. This is based on the most recent assessment, dated 23 Feb 2026.

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

Since 2019 53 properties similar to 4, Austin Street, Mountain Ash have sold within a radius of 640 metres, per the Land Registry and our network of Estate Agents.

The latest, on the 9th March 2026, was 59, Allen Street, Mountain Ash, CF45 4BB, a freehold house which sold for £189,998.

Read more about house prices in CF45.

• Sold Mar 2026£189,998 | 3 Bed House59, Allen Street, Mountain Ash, CF45 4BB59, Allen Street, Mountain Ash, CF45 4BB
• Sold Jul 2025£210,000 | 4 Bed House18, Richmond Road, Mountain Ash, CF45 4AN18, Richmond Road, Mountain Ash, CF45 4AN
• Sold Apr 2025£170,000 | 3 Bed House8, Harcourt Road, Mountain Ash, CF45 3PY8, Harcourt Road, Mountain Ash, CF45 3PY
• Sold Sep 2024£180,000 | 3 Bed House7, Campbell Terrace, Mountain Ash, CF45 4AE7, Campbell Terrace, Mountain Ash, CF45 4AE
• Sold Aug 2024£200,000 | 4 Bed House9, Harcourt Road, Mountain Ash, CF45 3PY9, Harcourt Road, Mountain Ash, CF45 3PY
• Sold Mar 2024£215,000 | 3 Bed House17, Aberffrwd Road, Mountain Ash, CF45 4AR17, Aberffrwd Road, Mountain Ash, CF45 4AR
• Sold Oct 2023£210,000 | 3 Bed House11, Fox Street, Mountain Ash, CF45 4AG11, Fox Street, Mountain Ash, CF45 4AG
• Sold Feb 2023£150,000 | 3 Bed House12, Richmond Road, Mountain Ash, CF45 4AN12, Richmond Road, Mountain Ash, CF45 4AN
• Sold Dec 2022£180,000 | 3 Bed House14, Fox Street, Mountain Ash, CF45 4AG14, Fox Street, Mountain Ash, CF45 4AG
• Sold Dec 2022£180,000 | 3 Bed House23, Campbell Terrace, Mountain Ash, CF45 4AE23, Campbell Terrace, Mountain Ash, CF45 4AE
• Sold Aug 2022£185,000 | 3 Bed House19, Campbell Terrace, Mountain Ash, CF45 4AE19, Campbell Terrace, Mountain Ash, CF45 4AE
• Sold Jul 2022£164,000 | 4 Bed House30, Richmond Road, Mountain Ash, CF45 4AN30, Richmond Road, Mountain Ash, CF45 4AN
• Sold Jan 2022£167,500 | 3 Bed House20, Campbell Terrace, Mountain Ash, CF45 4AE20, Campbell Terrace, Mountain Ash, CF45 4AE
• Sold Apr 2021£146,000 | 3 Bed House8, Campbell Terrace, Mountain Ash, CF45 4AE8, Campbell Terrace, Mountain Ash, CF45 4AE
• Sold Apr 2021£160,000 | 4 Bed House39, Allen Street, Mountain Ash, CF45 4BB39, Allen Street, Mountain Ash, CF45 4BB
• Sold Jan 2021£152,000 | 3 Bed House13, Campbell Terrace, Mountain Ash, CF45 4AE13, Campbell Terrace, Mountain Ash, CF45 4AE
• Sold Jan 2021£139,000 | 4 Bed House12, Austin Street, Mountain Ash, CF45 4AF12, Austin Street, Mountain Ash, CF45 4AF
• Sold Dec 2019£169,950 | 4 Bed House22, Campbell Terrace, Mountain Ash, CF45 4AE22, Campbell Terrace, Mountain Ash, CF45 4AE
• Sold Jun 2019£140,000 | 3 Bed House25, Campbell Terrace, Mountain Ash, CF45 4AE25, Campbell Terrace, Mountain Ash, CF45 4AE
• Sold Feb 2019£98,800 | 3 Bed House56, Allen Street, Mountain Ash, CF45 4BB56, Allen Street, Mountain Ash, CF45 4BB

Of the 14 addresses on Austin Street, Mountain Ash, CF45, 4, Austin Street, Mountain Ash comes out as the 8th largest and the 8th most expensive in our analysis of the public data.

It is also £48k more expensive than the average property across the CF45 district.

• Mountain Ash

  |

  500 m away
• Fernhill

  |

  1.2 km away
• Penrhiwceiber

  |

  2.1 km away

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