15, Heol Isaf, Treharris occupies a 305 m² plot as recorded by HM Land Registry.

All 35 other houses in this postcode have recorded plot sizes, and this one ranks as the 25th largest.

15, Heol Isaf, Treharris has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 14 Mar 2022.

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

15, Heol Isaf, Treharris last changed hands on 20th September 2022, selling for £245,000. 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 dropped by 28.1% since September 2022.

• Sold Sep 2022£245,000

Land Registry records and our Estate Agent network show 98 sales of comparable properties within 1.1 kilometres of 15, Heol Isaf, Treharris since 2007.

Most recently, 1, Tawel Fan, Treharris, CF46 6EH, a freehold house, sold at £260,000 on the 5th June 2026.

Read more about house prices in CF46.

• Sold Jun 2026£260,000 | 3 Bed House1, Tawel Fan, Treharris, CF46 6EH1, Tawel Fan, Treharris, CF46 6EH
• Sold Jun 2026£227,500 | 3 Bed House5, Tawel Fan, Treharris, CF46 6EH5, Tawel Fan, Treharris, CF46 6EH
• Sold Apr 2026£264,000 | 3 Bed House65, Tawel Fan, Treharris, CF46 6EH65, Tawel Fan, Treharris, CF46 6EH
• Sold Mar 2026£240,000 | 3 Bed House24, Heol Isaf, Treharris, CF46 6NS24, Heol Isaf, Treharris, CF46 6NS
• Sold Oct 2025£255,000 | 3 Bed House49, Beech Tree Way, Treharris, CF46 6NU49, Beech Tree Way, Treharris, CF46 6NU
• Sold Aug 2025£260,000 | 3 Bed House14, Heol Uchaf, Treharris, CF46 6NT14, Heol Uchaf, Treharris, CF46 6NT
• Sold Aug 2025£65,000 | 3 Bed House62, Tawel Fan, Treharris, CF46 6EH62, Tawel Fan, Treharris, CF46 6EH
• Sold Apr 2025£226,000 | 3 Bed House11, Market Close, Treharris, CF46 6AZ11, Market Close, Treharris, CF46 6AZ
• Sold Nov 2023£208,000 | 3 Bed House1, Mountain Way, Treharris, CF46 6NY1, Mountain Way, Treharris, CF46 6NY
• Sold Oct 2022£200,000 | 3 Bed House2, Beech Tree Way, Treharris, CF46 6NU2, Beech Tree Way, Treharris, CF46 6NU
• Sold Oct 2022£78,000 | 3 Bed House8, Heol Isaf, Treharris, CF46 6NS8, Heol Isaf, Treharris, CF46 6NS
• Sold Sep 2022£245,000 | 3 Bed House25, Heol Uchaf, Treharris, CF46 6NT25, Heol Uchaf, Treharris, CF46 6NT
• Sold May 2022£229,000 | 3 Bed House15, Mountain Way, Treharris, CF46 6NY15, Mountain Way, Treharris, CF46 6NY
• Sold Dec 2021£200,000 | 3 Bed House26, Pine Tree Way, Treharris, CF46 6PA26, Pine Tree Way, Treharris, CF46 6PA
• Sold Mar 2021£204,000 | 3 Bed House6, Heol Isaf, Treharris, CF46 6NS6, Heol Isaf, Treharris, CF46 6NS
• Sold Jul 2020£160,000 | 3 Bed House9, Market Close, Treharris, CF46 6AZ9, Market Close, Treharris, CF46 6AZ
• Sold Sep 2017£145,000 | 3 Bed House29, Heol Isaf, Treharris, CF46 6NS29, Heol Isaf, Treharris, CF46 6NS
• Sold Aug 2014£156,000 | 3 Bed House21, Heol Isaf, Treharris, CF46 6NS21, Heol Isaf, Treharris, CF46 6NS
• Sold May 2014£125,000 | 3 Bed House20, Heol Isaf, Treharris, CF46 6NS20, Heol Isaf, Treharris, CF46 6NS
• Sold Aug 2007£158,000 | 3 Bed House16, Heol Isaf, Treharris, CF46 6NS16, Heol Isaf, Treharris, CF46 6NS

Our analysis of the public data ranks 15, Heol Isaf, Treharris as the 13th largest and the 13th most expensive of the 35 addresses on Heol Isaf, Nelson, Treharris, CF46.

Against the CF46 postcode district average, it is £89k more expensive than the typical property.

• Ystrad Mynach

  |

  2.7 km away
• Quakers Yard

  |

  3.4 km away
• Abercynon

  |

  3.4 km away

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