12, Heol Uchaf, Treharris occupies a 362 m² plot as recorded by HM Land Registry.

Of the 32 other houses in this postcode, 24 have recorded plot sizes, and this one ranks as the 12th largest.

12, Heol Uchaf, Treharris has an Energy Performance Rating (EPC) of E. This is based on the most recent assessment, dated 14 Oct 2020.

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

12, Heol Uchaf, Treharris last changed hands on 23rd October 2025, selling for £335,000. 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 29.5% since October 2025.

• Sold Oct 2025£335,000
• Sold Nov 2020£182,000

Land Registry records and our Estate Agent network show 73 sales of comparable properties within 1.2 kilometres of 12, Heol Uchaf, Treharris since 2007.

Most recently, 61, Tawel Fan, Treharris, CF46 6EH, a freehold house, sold at £259,950 on the 4th February 2026.

Read more about house prices in CF46.

• Sold Feb 2026£259,950 | 3 Bed House61, Tawel Fan, Treharris, CF46 6EH61, Tawel Fan, Treharris, CF46 6EH
• Sold Aug 2025£260,000 | 3 Bed House14, Heol Uchaf, Treharris, CF46 6NT14, Heol Uchaf, Treharris, CF46 6NT
• Sold Aug 2025£249,950 | 3 Bed House17, Ashgrove Terrace, Treharris, CF46 6LS17, Ashgrove Terrace, Treharris, CF46 6LS
• Sold Apr 2025£227,000 | 3 Bed House45, Ashgrove Terrace, Treharris, CF46 6LS45, Ashgrove Terrace, Treharris, CF46 6LS
• Sold Dec 2024£225,000 | 3 Bed House16, Ashgrove Terrace, Treharris, CF46 6LS16, Ashgrove Terrace, Treharris, CF46 6LS
• Sold Nov 2023£213,675 | 3 Bed House21, Ashgrove Terrace, Treharris, CF46 6LS21, Ashgrove Terrace, Treharris, CF46 6LS
• Sold Aug 2023£190,000 | 3 Bed House12, Hawthorn Road, Treharris, CF46 6PB12, Hawthorn Road, Treharris, CF46 6PB
• Sold Sep 2022£245,000 | 3 Bed House25, Heol Uchaf, Treharris, CF46 6NT25, Heol Uchaf, Treharris, CF46 6NT
• Sold Mar 2021£204,000 | 3 Bed House6, Heol Isaf, Treharris, CF46 6NS6, Heol Isaf, Treharris, CF46 6NS
• Sold Oct 2020£180,000 | 3 Bed House23, Ashgrove Terrace, Treharris, CF46 6LS23, Ashgrove Terrace, Treharris, CF46 6LS
• Sold Aug 2018£148,500 | 3 Bed House4, Heol Uchaf, Treharris, CF46 6NT4, Heol Uchaf, Treharris, CF46 6NT
• Sold Sep 2017£145,000 | 3 Bed House29, Heol Isaf, Treharris, CF46 6NS29, Heol Isaf, Treharris, CF46 6NS
• Sold Aug 2016£160,000 | 3 Bed House44, Ashgrove Terrace, Treharris, CF46 6LS44, Ashgrove Terrace, Treharris, CF46 6LS
• Sold May 2015£177,500 | 3 Bed House91, Heol Fawr, Treharris, CF46 6NP91, Heol Fawr, Treharris, CF46 6NP
• Sold Aug 2014£156,000 | 3 Bed House21, Heol Isaf, Treharris, CF46 6NS21, Heol Isaf, Treharris, CF46 6NS
• Sold Jul 2014£142,000 | 3 Bed House45, Beech Tree Way, Treharris, CF46 6NU45, Beech Tree Way, Treharris, CF46 6NU
• Sold May 2014£125,000 | 3 Bed House20, Heol Isaf, Treharris, CF46 6NS20, Heol Isaf, Treharris, CF46 6NS
• Sold Oct 2012£140,000 | 3 Bed House8, Heol Uchaf, Treharris, CF46 6NT8, Heol Uchaf, Treharris, CF46 6NT
• Sold Aug 2011£135,000 | 3 Bed House3, Beech Tree Way, Treharris, CF46 6NU3, Beech Tree Way, Treharris, CF46 6NU
• Sold Oct 2007£109,000 | 3 Bed House30, Heol Isaf, Treharris, CF46 6NS30, Heol Isaf, Treharris, CF46 6NS

Our analysis of the public data ranks 12, Heol Uchaf, Treharris as the 32nd largest and the 28th most expensive of the 32 addresses on Heol Uchaf, Nelson, Treharris, CF46.

Against the CF46 postcode district average, it is £100k more expensive than the typical property.

• Ystrad Mynach

  |

  2.6 km away
• Abercynon

  |

  3.4 km away
• Quakers Yard

  |

  3.4 km away

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