5, Austin Street, Mountain Ash occupies a 162 m² plot as recorded by HM Land Registry.

Of the 14 other houses in this postcode, 13 have recorded plot sizes, and this one ranks as the 8th largest.

5, Austin Street, Mountain Ash has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 29 Oct 2015.

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

5, Austin Street, Mountain Ash last changed hands on 3rd April 2017, selling for £90,000. The transaction was logged as a freehold house by HM Land Registry.

That is its only recorded sale since 1995.

The market for similar properties has risen by 71.3% since April 2017.

• Sold Apr 2017£90,000

Land Registry records and our Estate Agent network show 44 sales of comparable properties within 640 metres of 5, Austin Street, Mountain Ash since 2014.

Most recently, 26, The Triangle, Mountain Ash, CF45 4BA, a freehold house, sold at £130,000 on the 31st October 2025.

Read more about house prices in CF45.

• Sold Oct 2025£130,000 | 3 Bed House26, The Triangle, Mountain Ash, CF45 4BA26, The Triangle, Mountain Ash, CF45 4BA
• Sold Sep 2024£167,995 | 3 Bed House31, Aberffrwd Road, Mountain Ash, CF45 4AR31, Aberffrwd Road, Mountain Ash, CF45 4AR
• Sold Oct 2023£185,000 | 3 Bed House3, Richmond Road, Mountain Ash, CF45 4AN3, Richmond Road, Mountain Ash, CF45 4AN
• Sold Oct 2023£210,000 | 3 Bed House11, Fox Street, Mountain Ash, CF45 4AG11, Fox Street, Mountain Ash, CF45 4AG
• Sold Jan 2023£130,000 | 3 Bed House14, Lyndhurst Street, Mountain Ash, CF45 4AP14, Lyndhurst Street, Mountain Ash, CF45 4AP
• Sold Dec 2022£180,000 | 3 Bed House14, Fox Street, Mountain Ash, CF45 4AG14, Fox Street, Mountain Ash, CF45 4AG
• Sold Oct 2022£39,995 | 3 Bed House2, Lyndhurst Street, Mountain Ash, CF45 4AP2, Lyndhurst Street, Mountain Ash, CF45 4AP
• Sold Jun 2022£149,995 | 3 Bed House29, The Triangle, Mountain Ash, CF45 4BA29, The Triangle, Mountain Ash, CF45 4BA
• Sold Apr 2022£135,000 | 3 Bed HouseTy Cerrig, Allen Street, Mountain Ash, CF45 4BBTy Cerrig, Allen Street, Mountain Ash, CF45 4BB
• Sold Nov 2021£142,500 | 3 Bed House35, Aberffrwd Road, Mountain Ash, CF45 4AR35, Aberffrwd Road, Mountain Ash, CF45 4AR
• Sold Oct 2021£150,000 | 3 Bed House2, Richmond Road, Mountain Ash, CF45 4AN2, Richmond Road, Mountain Ash, CF45 4AN
• Sold Aug 2021£125,000 | 3 Bed House13, Richmond Road, Mountain Ash, CF45 4AN13, Richmond Road, Mountain Ash, CF45 4AN
• Sold Jul 2021£132,000 | 3 Bed House23, Harcourt Road, Mountain Ash, CF45 3PY23, Harcourt Road, Mountain Ash, CF45 3PY
• Sold Oct 2020£149,950 | 3 Bed House38, Allen Street, Mountain Ash, CF45 4BB38, Allen Street, Mountain Ash, CF45 4BB
• Sold Nov 2019£62,000 | 3 Bed House36, Allen Street, Mountain Ash, CF45 4BB36, Allen Street, Mountain Ash, CF45 4BB
• Sold Jan 2019£112,500 | 3 Bed House58, Allen Street, Mountain Ash, CF45 4BB58, Allen Street, Mountain Ash, CF45 4BB
• Sold Oct 2018£75,000 | 3 Bed House10, Campbell Terrace, Mountain Ash, CF45 4AE10, Campbell Terrace, Mountain Ash, CF45 4AE
• Sold Apr 2016£136,000 | 3 Bed House22, Richmond Road, Mountain Ash, CF45 4AN22, Richmond Road, Mountain Ash, CF45 4AN
• Sold Mar 2015£123,000 | 3 Bed House15, Richmond Road, Mountain Ash, CF45 4AN15, Richmond Road, Mountain Ash, CF45 4AN
• Sold Mar 2014£80,000 | 3 Bed House34, The Triangle, Mountain Ash, CF45 4BA34, The Triangle, Mountain Ash, CF45 4BA

Our analysis of the public data ranks 5, Austin Street, Mountain Ash as the 14th largest and the 12th most expensive of the 14 addresses on Austin Street, Mountain Ash, CF45.

Against the CF45 postcode district average, it is £21k more expensive than the typical property.

• Mountain Ash

  |

  500 m away
• Fernhill

  |

  1.2 km away
• Penrhiwceiber

  |

  2.1 km away

Environment Agency data suggests this area has a Very Low risk of flooding.