18, Thomas Street, Treharris occupies a 111 m² plot as recorded by HM Land Registry.

Of the 22 other houses in this postcode, 19 have recorded plot sizes, and this one ranks as the largest.

18, Thomas Street, Treharris has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 28 Apr 2014.

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

Land Registry records and our Estate Agent network show 49 sales of comparable properties within 970 metres of 18, Thomas Street, Treharris since 2014.

Most recently, 24, Wern Crescent, Treharris, CF46 6NE, a freehold house, sold at £129,950 on the 1st August 2025.

Read more about house prices in CF46.

• Sold Aug 2025£129,950 | 3 Bed House24, Wern Crescent, Treharris, CF46 6NE24, Wern Crescent, Treharris, CF46 6NE
• Sold May 2025£145,000 | 3 Bed House49, Heol Fawr, Treharris, CF46 6NP49, Heol Fawr, Treharris, CF46 6NP
• Sold Apr 2025£119,950 | 3 Bed House1, Thomas Street, Treharris, CF46 6NG1, Thomas Street, Treharris, CF46 6NG
• Sold Apr 2025£150,000 | 3 Bed House3, Thomas Street, Treharris, CF46 6NG3, Thomas Street, Treharris, CF46 6NG
• Sold Feb 2025£107,000 | 3 Bed House10, Thomas Street, Treharris, CF46 6NG10, Thomas Street, Treharris, CF46 6NG
• Sold Feb 2025£112,500 | 3 Bed House7, Thomas Street, Treharris, CF46 6NG7, Thomas Street, Treharris, CF46 6NG
• Sold Oct 2023£84,500 | 3 Bed House18, Wern Crescent, Treharris, CF46 6NE18, Wern Crescent, Treharris, CF46 6NE
• Sold Jul 2022£143,000 | 3 Bed House5, Thomas Street, Treharris, CF46 6NG5, Thomas Street, Treharris, CF46 6NG
• Sold Feb 2022£135,000 | 3 Bed House6, Wern Crescent, Treharris, CF46 6NE6, Wern Crescent, Treharris, CF46 6NE
• Sold Oct 2021£67,000 | 3 Bed House4, Thomas Street, Treharris, CF46 6NG4, Thomas Street, Treharris, CF46 6NG
• Sold Aug 2021£100,000 | 3 Bed House22, Wern Crescent, Treharris, CF46 6NE22, Wern Crescent, Treharris, CF46 6NE
• Sold May 2021£120,000 | 3 Bed House34, Wern Crescent, Treharris, CF46 6NE34, Wern Crescent, Treharris, CF46 6NE
• Sold Oct 2020£111,750 | 3 Bed House44, Wern Crescent, Treharris, CF46 6NE44, Wern Crescent, Treharris, CF46 6NE
• Sold Feb 2020£74,000 | 3 Bed House26, Wern Crescent, Treharris, CF46 6NE26, Wern Crescent, Treharris, CF46 6NE
• Sold Dec 2019£122,500 | 3 Bed House40, Wern Crescent, Treharris, CF46 6NE40, Wern Crescent, Treharris, CF46 6NE
• Sold Jan 2019£80,000 | 3 Bed House32, Wern Crescent, Treharris, CF46 6NE32, Wern Crescent, Treharris, CF46 6NE
• Sold Nov 2018£66,000 | 3 Bed House8, Wern Crescent, Treharris, CF46 6NE8, Wern Crescent, Treharris, CF46 6NE
• Sold Jan 2018£99,500 | 3 Bed House30, Wern Crescent, Treharris, CF46 6NE30, Wern Crescent, Treharris, CF46 6NE
• Sold Jun 2017£98,500 | 3 Bed House46, Wern Crescent, Treharris, CF46 6NE46, Wern Crescent, Treharris, CF46 6NE
• Sold Jul 2014£79,500 | 3 Bed House16, Thomas Street, Treharris, CF46 6NG16, Thomas Street, Treharris, CF46 6NG

Our analysis of the public data ranks 18, Thomas Street, Treharris as the 38th largest and the 35th most expensive of the 55 addresses on Thomas Street, Nelson, Treharris, CF46.

Against the CF46 postcode district average, it is £30k less expensive than the typical property.

• Ystrad Mynach

  |

  3.0 km away
• Quakers Yard

  |

  3.0 km away
• Abercynon

  |

  3.2 km away

Environment Agency data suggests this area has a Very Low risk of flooding.