14, Heol Isaf, Treharris occupies a 397 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 9th largest.

14, Heol Isaf, Treharris has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 18 Aug 2014.

The property is not connected to mains gas and has fully double glazed windows. It is heated using a boiler and radiators (mains gas).

14, Heol Isaf, Treharris last changed hands on 6th November 2014, selling for £152,000. 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 26.0% since November 2014.

• Sold Nov 2014£152,000

Land Registry records and our Estate Agent network show 50 sales of comparable properties within 1.2 kilometres of 14, Heol Isaf, Treharris since 2007.

Most recently, 25, Tawel Fan, Treharris, CF46 6EH, a freehold house, sold at £208,000 on the 23rd October 2025.

Read more about house prices in CF46.

• Sold Oct 2025£208,000 | 3 Bed House25, Tawel Fan, Treharris, CF46 6EH25, Tawel Fan, Treharris, CF46 6EH
• Sold Aug 2025£340,000 | 4 Bed House91, High Street, Treharris, CF46 6HB91, High Street, Treharris, CF46 6HB
• Sold Nov 2024£285,000 | 3 Bed House66, High Street, Treharris, CF46 6HA66, High Street, Treharris, CF46 6HA
• Sold Jun 2024£258,000 | 3 Bed House47, Ffos Y Cerridden, Treharris, CF46 6HQ47, Ffos Y Cerridden, Treharris, CF46 6HQ
• Sold May 2024£375,000 | 4 Bed House3, Market Close, Treharris, CF46 6AZ3, Market Close, Treharris, CF46 6AZ
• Sold Jul 2022£332,500 | 4 Bed House39, Ashgrove Terrace, Treharris, CF46 6LS39, Ashgrove Terrace, Treharris, CF46 6LS
• Sold May 2022£311,000 | 4 Bed House23, Hawthorn Road, Treharris, CF46 6PB23, Hawthorn Road, Treharris, CF46 6PB
• Sold Mar 2020£152,500 | 4 Bed House14, Ffos Y Cerridden, Treharris, CF46 6HQ14, Ffos Y Cerridden, Treharris, CF46 6HQ
• Sold Feb 2020£175,000 | 4 Bed House16, Ffos Close, Treharris, CF46 6EL16, Ffos Close, Treharris, CF46 6EL
• Sold Nov 2018£120,000 | 4 Bed House2, Heol Isaf, Treharris, CF46 6NS2, Heol Isaf, Treharris, CF46 6NS
• Sold Oct 2018£139,000 | 3 Bed House29, Hawthorn Road, Treharris, CF46 6PB29, Hawthorn Road, Treharris, CF46 6PB
• Sold Aug 2018£192,500 | 3 Bed House33, Heol Isaf, Treharris, CF46 6NS33, Heol Isaf, Treharris, CF46 6NS
• Sold Apr 2018£182,000 | 4 Bed House31, Hawthorn Road, Treharris, CF46 6PB31, Hawthorn Road, Treharris, CF46 6PB
• Sold Dec 2017£183,000 | 4 Bed House27, High Close, Treharris, CF46 6HJ27, High Close, Treharris, CF46 6HJ
• Sold Apr 2017£220,000 | 4 Bed House93, Heol Fawr, Treharris, CF46 6NP93, Heol Fawr, Treharris, CF46 6NP
• Sold Feb 2017£171,500 | 3 Bed House53, Ashgrove Terrace, Treharris, CF46 6LS53, Ashgrove Terrace, Treharris, CF46 6LS
• Sold Sep 2013£132,000 | 4 Bed House52, Tawel Fan, Treharris, CF46 6EH52, Tawel Fan, Treharris, CF46 6EH
• Sold Apr 2011£141,500 | 4 Bed House9, Heol Uchaf, Treharris, CF46 6NT9, Heol Uchaf, Treharris, CF46 6NT
• Sold Feb 2011£192,000 | 4 Bed House4, Market Close, Treharris, CF46 6AZ4, Market Close, Treharris, CF46 6AZ
• Sold Jan 2007£180,000 | 4 Bed House28, Heol Isaf, Treharris, CF46 6NS28, Heol Isaf, Treharris, CF46 6NS

Our analysis of the public data ranks 14, Heol Isaf, Treharris as the 4th largest and the 4th most expensive of the 35 addresses on Heol Isaf, Nelson, Treharris, CF46.

Against the CF46 postcode district average, it is £133k 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.