30, Heol Isaf, Treharris occupies a 425 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 3rd largest.

30, Heol Isaf, Treharris last changed hands on 2nd October 2007, selling for £109,000. 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 11.3% since October 2007.

• Sold Oct 2007£109,000

Land Registry records and our Estate Agent network show 159 sales of comparable properties within 1.2 kilometres of 30, Heol Isaf, Treharris since 2014.

Most recently, 24, Heol Isaf, Treharris, CF46 6NS, a freehold house, sold at £240,000 on the 18th March 2026.

Read more about house prices in CF46.

• Sold Mar 2026£240,000 | 3 Bed House24, Heol Isaf, Treharris, CF46 6NS24, Heol Isaf, Treharris, CF46 6NS
• Sold Jan 2026£172,500 | 3 Bed House41, Beech Tree Way, Treharris, CF46 6NU41, Beech Tree Way, Treharris, CF46 6NU
• Sold Oct 2025£335,000 | 3 Bed House12, Heol Uchaf, Treharris, CF46 6NT12, Heol Uchaf, Treharris, CF46 6NT
• 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 Apr 2025£227,000 | 3 Bed House45, Ashgrove Terrace, Treharris, CF46 6LS45, Ashgrove Terrace, Treharris, CF46 6LS
• Sold Nov 2024£200,000 | 3 Bed House16, Beech Tree Way, Treharris, CF46 6NU16, Beech Tree Way, Treharris, CF46 6NU
• Sold May 2024£160,000 | 3 Bed House12, Mountain Way, Treharris, CF46 6NY12, Mountain Way, Treharris, CF46 6NY
• Sold Nov 2023£213,675 | 3 Bed House21, Ashgrove Terrace, Treharris, CF46 6LS21, Ashgrove Terrace, Treharris, CF46 6LS
• 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 House15, Heol Isaf, Treharris, CF46 6NS15, Heol Isaf, Treharris, CF46 6NS
• Sold Sep 2022£245,000 | 3 Bed House25, Heol Uchaf, Treharris, CF46 6NT25, Heol Uchaf, Treharris, CF46 6NT
• Sold Aug 2022£212,000 | 3 Bed House11, Heol Isaf, Treharris, CF46 6NS11, Heol Isaf, Treharris, CF46 6NS
• Sold Aug 2022£229,950 | 3 Bed House9, Beech Tree Way, Treharris, CF46 6NU9, Beech Tree Way, Treharris, CF46 6NU
• Sold Apr 2022£225,000 | 2 Bed House15, Beech Tree Way, Treharris, CF46 6NU15, Beech Tree Way, Treharris, CF46 6NU
• Sold May 2021£175,000 | 3 Bed House20, Mountain Way, Treharris, CF46 6NY20, Mountain Way, Treharris, CF46 6NY
• Sold Mar 2021£204,000 | 3 Bed House6, Heol Isaf, Treharris, CF46 6NS6, Heol Isaf, Treharris, CF46 6NS
• 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

Our analysis of the public data ranks 30, Heol Isaf, Treharris as the 28th largest and the 24th most expensive of the 35 addresses on Heol Isaf, Nelson, Treharris, CF46.

Against the CF46 postcode district average, it is £79k 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.