According to data from HM Land Registry, 25, Penn Street, Treharris sits on a plot of 135 m².

We have plot size data on 47 out of 56 other houses in the postcode and 25, Penn Street, Treharris sits on the 23rd largest plot.

25, Penn Street, Treharris has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 19 Nov 2020.

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, 25, Penn Street, Treharris was last sold on 31st July 2025 for £110,000 and was recorded as a freehold house.

The property has had 2 sales since 1995.

Since July 2025, the market for similar properties has risen by 11.4%.

• Sold Jul 2025£110,000
• Sold Apr 2003£12,000

According to the Land Registry and our network of Estate Agents, there have been 157 sales of properties similar to 25, Penn Street, Treharris within a radius of 780 metres since 2017.

The most recent example is 31, Pritchard Street, Treharris, CF46 5HS, a freehold house which sold for £105,500 on the 14th May 2026.

Read more about house prices in CF46.

• Sold May 2026£105,500 | 3 Bed House31, Pritchard Street, Treharris, CF46 5HS31, Pritchard Street, Treharris, CF46 5HS
• Sold May 2026£137,000 | 3 Bed House9, Fell Street, Treharris, CF46 5HN9, Fell Street, Treharris, CF46 5HN
• Sold Jan 2026£120,000 | 3 Bed House18, Pritchard Street, Treharris, CF46 5HS18, Pritchard Street, Treharris, CF46 5HS
• Sold Dec 2025£125,000 | 3 Bed House61, Fell Street, Treharris, CF46 5HN61, Fell Street, Treharris, CF46 5HN
• Sold May 2025£92,000 | 3 Bed House45, Penn Street, Treharris, CF46 5HL45, Penn Street, Treharris, CF46 5HL
• Sold Mar 2025£61,000 | 3 Bed House42, Pritchard Street, Treharris, CF46 5HS42, Pritchard Street, Treharris, CF46 5HS
• Sold Dec 2024£100,000 | 3 Bed House12, Evan Street, Treharris, CF46 5HR12, Evan Street, Treharris, CF46 5HR
• Sold Aug 2024£76,000 | 3 Bed House16, Fell Street, Treharris, CF46 5HN16, Fell Street, Treharris, CF46 5HN
• Sold Feb 2024£105,000 | 3 Bed House36, Evan Street, Treharris, CF46 5HR36, Evan Street, Treharris, CF46 5HR
• Sold Nov 2023£68,000 | 3 Bed House19, Fell Street, Treharris, CF46 5HN19, Fell Street, Treharris, CF46 5HN
• Sold Nov 2023£140,000 | 3 Bed House47, Penn Street, Treharris, CF46 5HL47, Penn Street, Treharris, CF46 5HL
• Sold Sep 2023£74,000 | 3 Bed House22, Fell Street, Treharris, CF46 5HN22, Fell Street, Treharris, CF46 5HN
• Sold Jul 2023£115,000 | 3 Bed House24, Penn Street, Treharris, CF46 5HL24, Penn Street, Treharris, CF46 5HL
• Sold May 2023£120,000 | 3 Bed House68, Fell Street, Treharris, CF46 5HN68, Fell Street, Treharris, CF46 5HN
• Sold Jan 2023£50,000 | 3 Bed House26, Webster Street, Treharris, CF46 5HP26, 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 Apr 2022£105,000 | 3 Bed House2, Fell Street, Treharris, CF46 5HN2, Fell Street, Treharris, CF46 5HN
• Sold Aug 2021£105,000 | 3 Bed House51, Webster Street, Treharris, CF46 5HP51, Webster Street, Treharris, CF46 5HP
• Sold May 2017£77,500 | 3 Bed House27, Penn Street, Treharris, CF46 5HL27, Penn Street, Treharris, CF46 5HL

Penn Street, Treharris, CF46 has a total of 56 addresses. According to our analysis of all the public data, 25, Penn Street, Treharris is the 49th largest and the 49th most expensive property on the street.

When compared to the postcode district it is £49k less expensive than the average property in CF46.

• Quakers Yard

  |

  1.4 km away
• Abercynon

  |

  2.9 km away
• Merthyr Vale

  |

  3.2 km away

According to data from the Environment Agency, the flood risk in this area is considered to be Very Low.