HM Land Registry records the plot of land for 12, Penn Street, Treharris as measuring 131 m².

That makes it the 32nd largest plot in the postcode, where 47 of the 56 other houses have recorded plot data.

12, Penn Street, Treharris has an Energy Performance Rating (EPC) of E. This is based on the most recent assessment, dated 09 Jul 2020.

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

Since 2015 166 properties similar to 12, Penn Street, Treharris have sold within a radius of 730 metres, per the Land Registry and our network of Estate Agents.

The latest, on the 12th November 2025, was 20, Fell Street, Treharris, CF46 5HN, a freehold house which sold for £120,000.

Read more about house prices in CF46.

• Sold Nov 2025£120,000 | 3 Bed House20, Fell Street, Treharris, CF46 5HN20, Fell Street, Treharris, CF46 5HN
• Sold Aug 2025£145,000 | 3 Bed House30, Pritchard Street, Treharris, CF46 5HS30, Pritchard Street, Treharris, CF46 5HS
• Sold Jul 2025£75,000 | 3 Bed House7, Fox Street, Treharris, CF46 5HE7, Fox Street, Treharris, CF46 5HE
• Sold Jul 2025£90,000 | 3 Bed House8, Penn Street, Treharris, CF46 5HL8, 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£125,000 | 3 Bed House25, Perrott Street, Treharris, CF46 5ER25, Perrott Street, Treharris, CF46 5ER
• Sold Sep 2024£30,000 | 3 Bed House11, Perrott Street, Treharris, CF46 5ER11, Perrott Street, Treharris, CF46 5ER
• Sold Aug 2024£130,000 | 3 Bed House58, Webster Street, Treharris, CF46 5HP58, Webster Street, Treharris, CF46 5HP
• Sold Oct 2023£128,000 | 3 Bed House14, Perrott Street, Treharris, CF46 5ER14, Perrott Street, Treharris, CF46 5ER
• Sold Oct 2023£105,000 | 3 Bed House50, Penn Street, Treharris, CF46 5HL50, Penn Street, Treharris, CF46 5HL
• Sold Aug 2023£137,000 | 4 Bed House54, Penn Street, Treharris, CF46 5HL54, Penn Street, Treharris, CF46 5HL
• Sold Sep 2022£150,000 | 3 Bed House21, Mary Street, Treharris, CF46 5LH21, Mary Street, Treharris, CF46 5LH
• Sold Nov 2021£87,000 | 3 Bed House31, Penn Street, Treharris, CF46 5HL31, Penn Street, Treharris, CF46 5HL
• Sold Feb 2021£96,500 | 3 Bed House40, Webster Street, Treharris, CF46 5HP40, Webster Street, Treharris, CF46 5HP
• Sold Jul 2020£138,000 | 3 Bed House11, Oaklands Terrace, Treharris, CF46 5RG11, Oaklands Terrace, Treharris, CF46 5RG
• 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
• Sold Aug 2018£91,000 | 3 Bed House33, Penn Street, Treharris, CF46 5HL33, Penn Street, Treharris, CF46 5HL
• Sold Jun 2015£25,000 | 3 Bed House13, Penn Street, Treharris, CF46 5HL13, Penn Street, Treharris, CF46 5HL

Of the 56 addresses on Penn Street, Treharris, CF46, 12, Penn Street, Treharris comes out as the 6th largest and the 6th most expensive in our analysis of the public data.

It is also £27k 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.