According to data from HM Land Registry, 4, Union Street, Aberdare sits on a plot of 86 m².

We have plot size data on 12 out of 14 other houses in the postcode and 4, Union Street, Aberdare sits on the 11th largest plot.

4, Union Street, Aberdare has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 15 Nov 2025.

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

According to HM Land Registry, 4, Union Street, Aberdare was last sold on 10th May 2019 for £97,500 and was recorded as a freehold house.

The property has had 4 sales since 1995.

Since May 2019, the market for similar properties has risen by 47.7%.

• Sold May 2019£97,500
• Sold Apr 2016£52,000
• Sold Aug 2002£32,500

According to the Land Registry and our network of Estate Agents, there have been 252 sales of properties similar to 4, Union Street, Aberdare within a radius of 690 metres since 2018.

The most recent example is 35, Harriet Street, Aberdare, CF44 8PP, a freehold house which sold for £140,000 on the 18th December 2025.

Read more about house prices in CF44.

• Sold Dec 2025£140,000 | 3 Bed House35, Harriet Street, Aberdare, CF44 8PP35, Harriet Street, Aberdare, CF44 8PP
• Sold Dec 2025£72,000 | 3 Bed House15, Belle Vue Street, Aberdare, CF44 8NR15, Belle Vue Street, Aberdare, CF44 8NR
• Sold Nov 2025£115,000 | 3 Bed House12, Hirwaun Road, Aberdare, CF44 8LU12, Hirwaun Road, Aberdare, CF44 8LU
• Sold Mar 2025£130,000 | 2 Bed House44, Belle Vue Street, Aberdare, CF44 8NR44, Belle Vue Street, Aberdare, CF44 8NR
• Sold Sep 2024£124,995 | 3 Bed House13, Clive Street, Aberdare, CF44 8PE13, Clive Street, Aberdare, CF44 8PE
• Sold May 2024£112,500 | 3 Bed House30, Meirion Street, Aberdare, CF44 8NH30, Meirion Street, Aberdare, CF44 8NH
• Sold May 2024£110,000 | 3 Bed House15, Mill Street, Aberdare, CF44 8PA15, Mill Street, Aberdare, CF44 8PA
• Sold Apr 2024£74,000 | 2 Bed House5, Bell Street, Aberdare, CF44 8NW5, Bell Street, Aberdare, CF44 8NW
• Sold Oct 2023£73,000 | 3 Bed House12, Union Street, Aberdare, CF44 8NP12, Union Street, Aberdare, CF44 8NP
• Sold Jul 2023£124,995 | 3 Bed House25, Belle Vue Street, Aberdare, CF44 8NR25, Belle Vue Street, Aberdare, CF44 8NR
• Sold Jul 2023£80,000 | 3 Bed House38, Bell Street, Aberdare, CF44 8NN38, Bell Street, Aberdare, CF44 8NN
• Sold Jan 2023£90,000 | 3 Bed House45, Belle Vue Street, Aberdare, CF44 8NR45, Belle Vue Street, Aberdare, CF44 8NR
• Sold Dec 2022£73,500 | 3 Bed House3, Belle Vue Street, Aberdare, CF44 8NR3, Belle Vue Street, Aberdare, CF44 8NR
• Sold Nov 2022£131,000 | 3 Bed House109, Cemetery Road, Aberdare, CF44 8HG109, Cemetery Road, Aberdare, CF44 8HG
• Sold Nov 2022£155,000 | 3 Bed House47, Bell Street, Aberdare, CF44 8NW47, Bell Street, Aberdare, CF44 8NW
• Sold Mar 2022£85,000 | 3 Bed House28, Meirion Street, Aberdare, CF44 8NH28, Meirion Street, Aberdare, CF44 8NH
• Sold Mar 2022£55,000 | 3 Bed House41, Belle Vue Street, Aberdare, CF44 8NR41, Belle Vue Street, Aberdare, CF44 8NR
• Sold Sep 2021£80,000 | 2 Bed House58C Bell Cottages, Mill Street, Aberdare, CF44 8PA58C Bell Cottages, Mill Street, Aberdare, CF44 8PA
• Sold Nov 2020£75,000 | 3 Bed House2, Belle Vue Street, Aberdare, CF44 8NR2, Belle Vue Street, Aberdare, CF44 8NR
• Sold Sep 2018£49,995 | 3 Bed House1, Bell Street, Aberdare, CF44 8NW1, Bell Street, Aberdare, CF44 8NW

Union Street, Aberdare, CF44 has a total of 14 addresses. According to our analysis of all the public data, 4, Union Street, Aberdare is the 5th largest and the 5th most expensive property on the street.

When compared to the postcode district it is £21k less expensive than the average property in CF44.

• Aberdare

  |

  1.2 km away
• Cwmbach

  |

  3.7 km away
• Fernhill

  |

  5.7 km away

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