According to data from HM Land Registry, 24, Heol Isaf, Treharris sits on a plot of 333 m².

We have plot size data on 35 out of 35 other houses in the postcode and 24, Heol Isaf, Treharris sits on the 19th largest plot.

24, Heol Isaf, Treharris has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 11 Aug 2016.

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

According to HM Land Registry, 24, Heol Isaf, Treharris was last sold on 18th March 2026 for £240,000 and was recorded as a freehold house.

The property has had 2 sales since 1995.

Since March 2026, the market for similar properties has dropped by 30.1%.

• Sold Mar 2026£240,000
• Sold Oct 2016£147,000

According to the Land Registry and our network of Estate Agents, there have been 111 sales of properties similar to 24, Heol Isaf, Treharris within a radius of 1.2 kilometres since 2007.

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

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 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 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 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 May 2018£160,000 | 3 Bed House5, Mountain Way, Treharris, CF46 6NY5, Mountain Way, Treharris, CF46 6NY
• 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 Oct 2007£109,000 | 3 Bed House30, Heol Isaf, Treharris, CF46 6NS30, Heol Isaf, Treharris, CF46 6NS
• Sold Aug 2007£158,000 | 3 Bed House16, Heol Isaf, Treharris, CF46 6NS16, Heol Isaf, Treharris, CF46 6NS

Heol Isaf, Nelson, Treharris, CF46 has a total of 35 addresses. According to our analysis of all the public data, 24, Heol Isaf, Treharris is the 19th largest and the 19th most expensive property on the street.

When compared to the postcode district it is £86k more expensive than the average property in CF46.

• Ystrad Mynach

  |

  2.7 km away
• Quakers Yard

  |

  3.4 km away
• Abercynon

  |

  3.4 km away

According to data from the Environment Agency, the flood risk in this area is considered to be Very Low.