9, River Avenue, Treharris occupies a 130 m² plot as recorded by HM Land Registry.

All 37 other houses in this postcode have recorded plot sizes, and this one ranks as the 36th largest.

9, River Avenue, Treharris has an Energy Performance Rating (EPC) of B. This is based on the most recent assessment, dated 27 Aug 2013.

The property is connected to mains gas and has high performance glazing. It is heated using a boiler and radiators (mains gas).

9, River Avenue, Treharris last changed hands on 15th June 2018, selling for £145,000. The transaction was logged as a freehold house by HM Land Registry.

In total it has sold twice since 1995.

The market for similar properties has risen by 45.1% since June 2018.

Land Registry records and our Estate Agent network show 55 sales of comparable properties within 1.2 kilometres of 9, River Avenue, Treharris since 2014.

Most recently, 8, Ffos Close, Treharris, CF46 6EL, a freehold house, sold at £230,000 on the 24th April 2026.

Read more about house prices in CF46.

• Sold Apr 2026£230,000 | 3 Bed House8, Ffos Close, Treharris, CF46 6EL8, Ffos Close, Treharris, CF46 6EL
• Sold Feb 2026£259,950 | 3 Bed House61, Tawel Fan, Treharris, CF46 6EH61, Tawel Fan, Treharris, CF46 6EH
• Sold Dec 2025£245,000 | 3 Bed House11, Clos Cae Pwll, Treharris, CF46 6LA11, Clos Cae Pwll, Treharris, CF46 6LA
• Sold Dec 2024£222,500 | 3 Bed House41, Tawel Fan, Treharris, CF46 6EH41, Tawel Fan, Treharris, CF46 6EH
• Sold Dec 2024£200,000 | 3 Bed House92, Ty Llwyd Parc, Treharris, CF46 5LB92, Ty Llwyd Parc, Treharris, CF46 5LB
• Sold Nov 2024£104,000 | 3 Bed House11, Gelligaer Road, Treharris, CF46 6DN11, Gelligaer Road, Treharris, CF46 6DN
• Sold Aug 2024£230,000 | 3 Bed House45, Ty Llwyd Parc, Treharris, CF46 5LA45, Ty Llwyd Parc, Treharris, CF46 5LA
• Sold Oct 2023£203,000 | 3 Bed House34, Tawel Fan, Treharris, CF46 6EH34, Tawel Fan, Treharris, CF46 6EH
• Sold Mar 2023£238,500 | 3 Bed House1 Pandy Cottages, Treharris, CF46 6BU1 Pandy Cottages, Treharris, CF46 6BU
• Sold Feb 2023£212,000 | 3 Bed House76, Ty Llwyd Parc, Treharris, CF46 5LB76, Ty Llwyd Parc, Treharris, CF46 5LB
• Sold Apr 2022£145,000 | 3 Bed House19, Ffos Close, Treharris, CF46 6EL19, Ffos Close, Treharris, CF46 6EL
• Sold Apr 2022£155,000 | 3 Bed House15, Manor View, Treharris, CF46 6EE15, Manor View, Treharris, CF46 6EE
• Sold Sep 2021£195,000 | 3 Bed House54, Tawel Fan, Treharris, CF46 6EH54, Tawel Fan, Treharris, CF46 6EH
• Sold Oct 2020£155,000 | 3 Bed House64, Tawel Fan, Treharris, CF46 6EH64, Tawel Fan, Treharris, CF46 6EH
• Sold Feb 2020£177,000 | 3 Bed House24, Ffos Close, Treharris, CF46 6EL24, Ffos Close, Treharris, CF46 6EL
• Sold Aug 2019£165,000 | 3 Bed House4, Gelligaer Road, Treharris, CF46 6DN4, Gelligaer Road, Treharris, CF46 6DN
• Sold Apr 2018£174,000 | 3 Bed House19, Heather Court, Treharris, CF46 5RP19, Heather Court, Treharris, CF46 5RP
• Sold Jun 2015£131,995 | 3 Bed House19, Ivy Close, Treharris, CF46 6ET19, Ivy Close, Treharris, CF46 6ET
• Sold Oct 2014£129,500 | 3 Bed House22, River Avenue, Treharris, CF46 6EF22, River Avenue, Treharris, CF46 6EF
• Sold Aug 2014£135,000 | 3 Bed House3, Clos Cae Pwll, Treharris, CF46 6LA3, Clos Cae Pwll, Treharris, CF46 6LA

Our analysis of the public data ranks 9, River Avenue, Treharris as the 37th largest and the 37th most expensive of the 37 addresses on River Avenue, Trelewis, Treharris, CF46.

Against the CF46 postcode district average, it is £78k more expensive than the typical property.

• Quakers Yard

  |

  2.5 km away
• Abercynon

  |

  3.4 km away
• Ystrad Mynach

  |

  4.0 km away

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