3, River Avenue, Treharris occupies a 307 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 5th largest.

3, River Avenue, Treharris has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 09 Jul 2025.

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

3, River Avenue, Treharris last changed hands on 22nd May 2026, selling for £345,000. 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 dropped by 30.0% since May 2026.

Land Registry records and our Estate Agent network show 142 sales of comparable properties within 1.2 kilometres of 3, River Avenue, Treharris since 2014.

Most recently, 25, River Avenue, Treharris, CF46 6EF, a freehold house, sold at £315,000 on the 1st August 2025.

Read more about house prices in CF46.

• Sold Aug 2025£315,000 | 3 Bed House25, River Avenue, Treharris, CF46 6EF25, River Avenue, Treharris, CF46 6EF
• Sold Sep 2024£370,000 | 4 Bed House25, Upland Drive, Treharris, CF46 6FB25, Upland Drive, Treharris, CF46 6FB
• Sold Jun 2024£291,000 | 3 Bed House12, River Avenue, Treharris, CF46 6EF12, River Avenue, Treharris, CF46 6EF
• Sold Sep 2023£370,000 | 4 Bed House2, Highfield Rise, Treharris, CF46 6EQ2, Highfield Rise, Treharris, CF46 6EQ
• Sold Nov 2022£310,000 | 3 Bed House18, River Avenue, Treharris, CF46 6EF18, River Avenue, Treharris, CF46 6EF
• Sold Sep 2022£390,000 | 4 Bed House8, Highfield Rise, Treharris, CF46 6EQ8, Highfield Rise, Treharris, CF46 6EQ
• Sold May 2022£305,000 | 4 Bed House12, Foxglove Close, Treharris, CF46 6FA12, Foxglove Close, Treharris, CF46 6FA
• Sold Mar 2022£307,000 | 4 Bed House2, Tudor Court, Treharris, CF46 6EG2, Tudor Court, Treharris, CF46 6EG
• Sold Sep 2021£310,000 | 4 Bed House20, Upland Drive, Treharris, CF46 6FB20, Upland Drive, Treharris, CF46 6FB
• Sold Nov 2020£252,000 | 4 Bed House14, Orchard Row, Treharris, CF46 6EJ14, Orchard Row, Treharris, CF46 6EJ
• Sold Oct 2020£285,000 | 4 Bed House4, Orchard Row, Treharris, CF46 6EJ4, Orchard Row, Treharris, CF46 6EJ
• Sold Dec 2019£239,950 | 4 Bed House13, Orchard Row, Treharris, CF46 6EJ13, Orchard Row, Treharris, CF46 6EJ
• Sold Dec 2019£279,000 | 4 Bed House3, Foxglove Close, Treharris, CF46 6FA3, Foxglove Close, Treharris, CF46 6FA
• Sold Dec 2019£227,950 | 4 Bed House9, Ivy Close, Treharris, CF46 6ET9, Ivy Close, Treharris, CF46 6ET
• Sold Jul 2019£245,000 | 3 Bed House8, Orchard Row, Treharris, CF46 6EJ8, Orchard Row, Treharris, CF46 6EJ
• Sold Nov 2018£229,950 | 3 Bed House2, River Avenue, Treharris, CF46 6EF2, River Avenue, Treharris, CF46 6EF
• Sold Jun 2017£240,000 | 4 Bed House3, Highfield Rise, Treharris, CF46 6EQ3, Highfield Rise, Treharris, CF46 6EQ
• Sold Nov 2016£248,000 | 4 Bed House1, River Avenue, Treharris, CF46 6EF1, River Avenue, Treharris, CF46 6EF
• Sold Feb 2016£215,000 | 4 Bed House13, River Avenue, Treharris, CF46 6EF13, River Avenue, Treharris, CF46 6EF
• Sold Apr 2014£215,995 | 4 Bed House5, Orchard Row, Treharris, CF46 6EJ5, Orchard Row, Treharris, CF46 6EJ

Our analysis of the public data ranks 3, River Avenue, Treharris as the 2nd largest and the 4th most expensive of the 37 addresses on River Avenue, Trelewis, Treharris, CF46.

Against the CF46 postcode district average, it is £187k 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.