According to data from HM Land Registry, 2, Heol Isaf, Treharris sits on a plot of 405 m².

We have plot size data on 35 out of 35 other houses in the postcode and 2, Heol Isaf, Treharris sits on the 6th largest plot.

2, Heol Isaf, Treharris has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 11 Nov 2018.

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, 2, Heol Isaf, Treharris was last sold on 16th November 2018 for £120,000 and was recorded as a freehold house.

The property has only had this single sale since 1995.

Since November 2018, the market for similar properties has risen by 10.2%.

• Sold Nov 2018£120,000

According to the Land Registry and our network of Estate Agents, there have been 53 sales of properties similar to 2, Heol Isaf, Treharris within a radius of 1.1 kilometres since 2007.

The most recent example is 91, High Street, Treharris, CF46 6HB, a freehold house which sold for £340,000 on the 22nd August 2025.

Read more about house prices in CF46.

• Sold Aug 2025£340,000 | 4 Bed House91, High Street, Treharris, CF46 6HB91, High Street, Treharris, CF46 6HB
• Sold Dec 2024£243,000 | 4 Bed House30, Heol Uchaf, Treharris, CF46 6NT30, Heol Uchaf, Treharris, CF46 6NT
• Sold Nov 2024£285,000 | 3 Bed House66, High Street, Treharris, CF46 6HA66, High Street, Treharris, CF46 6HA
• Sold May 2024£375,000 | 4 Bed House3, Market Close, Treharris, CF46 6AZ3, Market Close, Treharris, CF46 6AZ
• Sold Jan 2023£225,000 | 4 Bed HouseHazeldene, Pentwyn Road, Treharris, CF46 6HEHazeldene, Pentwyn Road, Treharris, CF46 6HE
• 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 Oct 2021£280,000 | 4 Bed House16, Mountain Way, Treharris, CF46 6NY16, Mountain Way, Treharris, CF46 6NY
• 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 Dec 2019£280,000 | 4 Bed House15, Ashgrove Terrace, Treharris, CF46 6LS15, Ashgrove Terrace, Treharris, CF46 6LS
• 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 Nov 2014£152,000 | 4 Bed House14, Heol Isaf, Treharris, CF46 6NS14, Heol Isaf, Treharris, CF46 6NS
• 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

Heol Isaf, Nelson, Treharris, CF46 has a total of 35 addresses. According to our analysis of all the public data, 2, Heol Isaf, Treharris is the 3rd largest and the 3rd most expensive property on the street.

When compared to the postcode district it is £145k 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.