21, Brotalwg, Treharris occupies a 176 m² plot as recorded by HM Land Registry.

Of the 25 other houses in this postcode, 6 have recorded plot sizes, and this one ranks as the 5th largest.

21, Brotalwg, Treharris has an Energy Performance Rating (EPC) of B. This is based on the most recent assessment, dated 13 Aug 2025.

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

21, Brotalwg, Treharris last changed hands on 29th March 1996, selling for £40,000. The transaction was logged as a freehold house by HM Land Registry.

That is its only recorded sale since 1995.

• Sold Mar 1996£40,000

Land Registry records and our Estate Agent network show 270 sales of comparable properties within 840 metres of 21, Brotalwg, Treharris since 2015.

Most recently, 9, Fell Street, Treharris, CF46 5HN, a freehold house, sold at £137,000 on the 1st May 2026.

Read more about house prices in CF46.

• Sold May 2026£137,000 | 3 Bed House9, Fell Street, Treharris, CF46 5HN9, Fell Street, Treharris, CF46 5HN
• Sold Dec 2025£125,000 | 3 Bed House61, Fell Street, Treharris, CF46 5HN61, Fell Street, Treharris, CF46 5HN
• Sold Aug 2025£156,000 | 3 Bed House4, Parc Wenallt, Treharris, CF46 5HX4, Parc Wenallt, Treharris, CF46 5HX
• Sold Jul 2025£120,000 | 3 Bed House43, Evan Street, Treharris, CF46 5HR43, Evan Street, Treharris, CF46 5HR
• Sold Mar 2025£130,000 | 3 Bed House2, Parc Wenallt, Treharris, CF46 5HX2, Parc Wenallt, Treharris, CF46 5HX
• Sold Jan 2025£120,000 | 3 Bed House51, Fell Street, Treharris, CF46 5HN51, Fell Street, Treharris, CF46 5HN
• Sold Aug 2024£100,000 | 3 Bed House7, Fell Street, Treharris, CF46 5HN7, Fell Street, Treharris, CF46 5HN
• Sold Aug 2024£76,000 | 3 Bed House16, Fell Street, Treharris, CF46 5HN16, Fell Street, Treharris, CF46 5HN
• Sold Nov 2023£68,000 | 3 Bed House19, Fell Street, Treharris, CF46 5HN19, Fell Street, Treharris, CF46 5HN
• Sold Jun 2023£124,995 | 3 Bed House48, Webster Street, Treharris, CF46 5HP48, Webster Street, Treharris, CF46 5HP
• Sold Apr 2023£110,000 | 3 Bed House19, Webster Street, Treharris, CF46 5HP19, Webster Street, Treharris, CF46 5HP
• Sold Jan 2023£50,000 | 3 Bed House26, Webster Street, Treharris, CF46 5HP26, Webster Street, Treharris, CF46 5HP
• Sold Dec 2022£95,000 | 3 Bed House36, Webster Street, Treharris, CF46 5HP36, Webster Street, Treharris, CF46 5HP
• Sold Oct 2022£85,000 | 3 Bed House66, Webster Street, Treharris, CF46 5HP66, Webster Street, Treharris, CF46 5HP
• Sold Aug 2022£103,000 | 3 Bed House50, Fell Street, Treharris, CF46 5HN50, Fell Street, Treharris, CF46 5HN
• Sold Jan 2022£104,000 | 3 Bed House22, Webster Street, Treharris, CF46 5HP22, Webster Street, Treharris, CF46 5HP
• Sold May 2021£105,000 | 3 Bed House20, Webster Street, Treharris, CF46 5HP20, Webster Street, Treharris, CF46 5HP
• Sold Feb 2021£58,000 | 3 Bed House23, Webster Street, Treharris, CF46 5HP23, Webster Street, Treharris, CF46 5HP
• Sold Oct 2020£67,500 | 3 Bed House24, Webster Street, Treharris, CF46 5HP24, Webster Street, Treharris, CF46 5HP
• Sold Dec 2015£60,000 | 3 Bed House19, Parc Wenallt, Treharris, CF46 5HX19, Parc Wenallt, Treharris, CF46 5HX

Our analysis of the public data ranks 21, Brotalwg, Treharris as the 18th largest and the 18th most expensive of the 25 addresses on Brotalwg, Treharris, CF46.

Against the CF46 postcode district average, it is £29k less expensive than the typical property.

• Quakers Yard

  |

  1.5 km away
• Abercynon

  |

  3.0 km away
• Merthyr Vale

  |

  3.0 km away

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