According to data from HM Land Registry, 21, Union Street, Pentre sits on a plot of 127 m².

We have plot size data on 24 out of 27 other houses in the postcode and 21, Union Street, Pentre sits on the 2nd largest plot.

21, Union Street, Pentre has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 09 May 2025.

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, 21, Union Street, Pentre was last sold on 14th July 2025 for £183,000 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 5.7%.

• Sold Jul 2025£183,000
• Sold Apr 2024£76,500

According to the Land Registry and our network of Estate Agents, there have been 132 sales of properties similar to 21, Union Street, Pentre within a radius of 700 metres since 2018.

The most recent example is 18, Stanley Road, Pentre, CF41 7NJ, a freehold house which sold for £130,000 on the 30th January 2026.

Read more about house prices in CF41.

• Sold Jan 2026£130,000 | 3 Bed House18, Stanley Road, Pentre, CF41 7NJ18, Stanley Road, Pentre, CF41 7NJ
• Sold Nov 2025£170,000 | 3 Bed House114, Gelli Road, Pentre, CF41 7UQ114, Gelli Road, Pentre, CF41 7UQ
• Sold Sep 2025£143,000 | 3 Bed House14, Smith Street, Pentre, CF41 7NG14, Smith Street, Pentre, CF41 7NG
• Sold Sep 2025£193,000 | 3 Bed House55, Stanley Road, Pentre, CF41 7NH55, Stanley Road, Pentre, CF41 7NH
• Sold Sep 2025£73,500 | 3 Bed House15, Smith Street, Pentre, CF41 7NG15, Smith Street, Pentre, CF41 7NG
• Sold Aug 2025£157,500 | 3 Bed House31, Bronllwyn Road, Pentre, CF41 7TE31, Bronllwyn Road, Pentre, CF41 7TE
• Sold May 2025£83,500 | 3 Bed House4, Stanley Road, Pentre, CF41 7NH4, Stanley Road, Pentre, CF41 7NH
• Sold Feb 2025£134,000 | 3 Bed House7, Smith Street, Pentre, CF41 7NG7, Smith Street, Pentre, CF41 7NG
• Sold Dec 2024£89,000 | 3 Bed House27, Bronllwyn Road, Pentre, CF41 7TE27, Bronllwyn Road, Pentre, CF41 7TE
• Sold Sep 2024£76,000 | 3 Bed House56, Stanley Road, Pentre, CF41 7NH56, Stanley Road, Pentre, CF41 7NH
• Sold Mar 2023£139,950 | 3 Bed House6, Ystrad Terrace, Pentre, CF41 7UA6, Ystrad Terrace, Pentre, CF41 7UA
• Sold Feb 2023£150,000 | 3 Bed House4, Smith Street, Pentre, CF41 7NG4, Smith Street, Pentre, CF41 7NG
• Sold Feb 2023£137,500 | 3 Bed House24, Union Street, Pentre, CF41 7TY24, Union Street, Pentre, CF41 7TY
• Sold May 2022£131,000 | 3 Bed House24, Taff Street, Pentre, CF41 7TZ24, Taff Street, Pentre, CF41 7TZ
• Sold Mar 2022£101,000 | 3 Bed House109, Gelli Road, Pentre, CF41 7UQ109, Gelli Road, Pentre, CF41 7UQ
• Sold Feb 2021£135,000 | 3 Bed House11, Union Street, Pentre, CF41 7TY11, Union Street, Pentre, CF41 7TY
• Sold Dec 2020£100,000 | 3 Bed House17, Taff Street, Pentre, CF41 7TZ17, Taff Street, Pentre, CF41 7TZ
• Sold Oct 2019£80,000 | 3 Bed House21, Taff Street, Pentre, CF41 7TZ21, Taff Street, Pentre, CF41 7TZ
• Sold Apr 2019£115,000 | 3 Bed House20, Smith Street, Pentre, CF41 7NG20, Smith Street, Pentre, CF41 7NG
• Sold Dec 2018£110,000 | 3 Bed House19, Smith Street, Pentre, CF41 7NG19, Smith Street, Pentre, CF41 7NG

Union Street, Gelli, Pentre, CF41 has a total of 29 addresses. According to our analysis of all the public data, 21, Union Street, Pentre is the 21st largest and the 21st most expensive property on the street.

When compared to the postcode district it is £5k more expensive than the average property in CF41.

• Ton Pentre

  |

  600 m away
• Ystrad Rhondda

  |

  900 m away
• Llwynypia

  |

  2.1 km away

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