HM Land Registry records the plot of land for 8, Heol Isaf, Treharris as measuring 312 m².

That makes it the 24th largest plot in the postcode, where all 35 other houses have recorded plot data.

8, Heol Isaf, Treharris has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 28 Apr 2011.

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

The most recent sale of 8, Heol Isaf, Treharris completed on 7th October 2022 at £78,000 and was recorded by HM Land Registry as a freehold house.

Since 1995 this is the property's only sale.

Values of comparable properties have dropped by 26.6% over the period since October 2022.

• Sold Oct 2022£78,000

Since 2007 102 properties similar to 8, Heol Isaf, Treharris have sold within a radius of 1.2 kilometres, per the Land Registry and our network of Estate Agents.

The latest, on the 24th April 2026, was 65, Tawel Fan, Treharris, CF46 6EH, a freehold house which sold for £264,000.

Read more about house prices in CF46.

• 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 Aug 2023£190,000 | 3 Bed House12, Hawthorn Road, Treharris, CF46 6PB12, Hawthorn Road, Treharris, CF46 6PB
• Sold Oct 2022£200,000 | 3 Bed House2, Beech Tree Way, Treharris, CF46 6NU2, Beech Tree Way, Treharris, CF46 6NU
• 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 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 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 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 2011£135,000 | 3 Bed House3, Beech Tree Way, Treharris, CF46 6NU3, Beech Tree Way, Treharris, CF46 6NU
• Sold Aug 2007£158,000 | 3 Bed House16, Heol Isaf, Treharris, CF46 6NS16, Heol Isaf, Treharris, CF46 6NS

Of the 35 addresses on Heol Isaf, Nelson, Treharris, CF46, 8, Heol Isaf, Treharris comes out as the 17th largest and the 17th most expensive in our analysis of the public data.

It is also £87k more expensive than the average property across the CF46 district.

• Ystrad Mynach

  |

  2.7 km away
• Quakers Yard

  |

  3.4 km away
• Abercynon

  |

  3.4 km away

The flood risk here is rated Very Low, based on Environment Agency data.