HM Land Registry records the plot of land for 6, Penn Street, Treharris as measuring 138 m².

That makes it the 14th largest plot in the postcode, where 47 of the 56 other houses have recorded plot data.

6, Penn Street, Treharris has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 19 Nov 2009.

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 6, Penn Street, Treharris completed on 14th June 2010 at £83,500 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 risen by 96.5% over the period since June 2010.

• Sold Jun 2010£83,500

Since 2018 285 properties similar to 6, Penn Street, Treharris have sold within a radius of 710 metres, per the Land Registry and our network of Estate Agents.

The latest, on the 4th December 2025, was 61, Fell Street, Treharris, CF46 5HN, a freehold house which sold for £125,000.

Read more about house prices in CF46.

• Sold Dec 2025£125,000 | 3 Bed House61, Fell Street, Treharris, CF46 5HN61, Fell Street, Treharris, CF46 5HN
• Sold Nov 2025£120,000 | 3 Bed House20, Fell Street, Treharris, CF46 5HN20, Fell Street, Treharris, CF46 5HN
• Sold Jul 2025£107,950 | 3 Bed House44, Penn Street, Treharris, CF46 5HL44, Penn Street, Treharris, CF46 5HL
• Sold Jul 2025£90,000 | 3 Bed House8, Penn Street, Treharris, CF46 5HL8, Penn Street, Treharris, CF46 5HL
• Sold May 2025£92,000 | 3 Bed House45, Penn Street, Treharris, CF46 5HL45, Penn Street, Treharris, CF46 5HL
• Sold Apr 2025£84,000 | 3 Bed House19, Penn Street, Treharris, CF46 5HL19, Penn Street, Treharris, CF46 5HL
• Sold Mar 2025£142,500 | 3 Bed House4, Fell Street, Treharris, CF46 5HN4, Fell Street, Treharris, CF46 5HN
• Sold Feb 2025£95,000 | 3 Bed House26, Fell Street, Treharris, CF46 5HN26, Fell Street, Treharris, CF46 5HN
• Sold Jan 2025£120,000 | 3 Bed House51, Fell Street, Treharris, CF46 5HN51, Fell Street, Treharris, CF46 5HN
• Sold Sep 2024£84,000 | 3 Bed House43, Penn Street, Treharris, CF46 5HL43, Penn Street, Treharris, CF46 5HL
• Sold Aug 2024£100,000 | 3 Bed House7, Fell Street, Treharris, CF46 5HN7, Fell Street, Treharris, CF46 5HN
• Sold Aug 2024£130,000 | 3 Bed House58, Webster Street, Treharris, CF46 5HP58, Webster Street, Treharris, CF46 5HP
• Sold Nov 2023£68,000 | 3 Bed House19, Fell Street, Treharris, CF46 5HN19, Fell Street, Treharris, CF46 5HN
• Sold Oct 2023£105,000 | 3 Bed House50, Penn Street, Treharris, CF46 5HL50, Penn Street, Treharris, CF46 5HL
• Sold Nov 2022£128,000 | 3 Bed House63, Fell Street, Treharris, CF46 5HN63, Fell Street, Treharris, CF46 5HN
• Sold Nov 2021£87,000 | 3 Bed House31, Penn Street, Treharris, CF46 5HL31, Penn Street, Treharris, CF46 5HL
• Sold Oct 2021£86,000 | 3 Bed House52, Penn Street, Treharris, CF46 5HL52, Penn Street, Treharris, CF46 5HL
• Sold Apr 2021£107,500 | 3 Bed House65, Fell Street, Treharris, CF46 5HN65, Fell Street, Treharris, CF46 5HN
• Sold Jul 2019£40,000 | 3 Bed House9, Penn Street, Treharris, CF46 5HL9, Penn Street, Treharris, CF46 5HL
• Sold Sep 2018£67,000 | 3 Bed House21, Penn Street, Treharris, CF46 5HL21, Penn Street, Treharris, CF46 5HL

Of the 56 addresses on Penn Street, Treharris, CF46, 6, Penn Street, Treharris comes out as the 20th largest and the 20th most expensive in our analysis of the public data.

It is also £34k less expensive than the average property across the CF46 district.

• Quakers Yard

  |

  1.4 km away
• Abercynon

  |

  2.9 km away
• Merthyr Vale

  |

  3.2 km away

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