HM Land Registry records the plot of land for 16, Union Street, Merthyr Tydfil as measuring 113 m².

That makes it the 4th largest plot in the postcode, where 19 of the 23 other houses have recorded plot data.

16, Union Street, Merthyr Tydfil has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 25 Feb 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 2016 124 properties similar to 16, Union Street, Merthyr Tydfil have sold within a radius of 570 metres, per the Land Registry and our network of Estate Agents.

The latest, on the 6th March 2026, was 37, William Street, Merthyr Tydfil, CF47 0RG, a freehold house which sold for £125,000.

Read more about house prices in CF47.

• Sold Mar 2026£125,000 | 3 Bed House37, William Street, Merthyr Tydfil, CF47 0RG37, William Street, Merthyr Tydfil, CF47 0RG
• Sold Sep 2025£125,000 | 3 Bed House6, William Street, Merthyr Tydfil, CF47 0RG6, William Street, Merthyr Tydfil, CF47 0RG
• Sold Jun 2025£145,000 | 3 Bed House7, New Castle Street, Merthyr Tydfil, CF47 0BH7, New Castle Street, Merthyr Tydfil, CF47 0BH
• Sold Feb 2025£138,000 | 3 Bed House13, Mary Street, Merthyr Tydfil, CF47 0PY13, Mary Street, Merthyr Tydfil, CF47 0PY
• Sold Jan 2025£129,000 | 3 Bed House100, Lower Thomas Street, Merthyr Tydfil, CF47 0DA100, Lower Thomas Street, Merthyr Tydfil, CF47 0DA
• Sold May 2024£152,000 | 3 Bed House9, New Castle Street, Merthyr Tydfil, CF47 0BH9, New Castle Street, Merthyr Tydfil, CF47 0BH
• Sold Sep 2022£125,000 | 3 Bed House40, Union Terrace, Merthyr Tydfil, CF47 0DY40, Union Terrace, Merthyr Tydfil, CF47 0DY
• Sold Jul 2022£135,000 | 3 Bed House10, New Castle Street, Merthyr Tydfil, CF47 0BH10, New Castle Street, Merthyr Tydfil, CF47 0BH
• Sold Jun 2022£140,000 | 3 Bed House72, Lower Thomas Street, Merthyr Tydfil, CF47 0DA72, Lower Thomas Street, Merthyr Tydfil, CF47 0DA
• Sold Jun 2021£106,000 | 3 Bed House69, Lower Thomas Street, Merthyr Tydfil, CF47 0DA69, Lower Thomas Street, Merthyr Tydfil, CF47 0DA
• Sold Apr 2021£84,000 | 3 Bed House89, Lower Thomas Street, Merthyr Tydfil, CF47 0DA89, Lower Thomas Street, Merthyr Tydfil, CF47 0DA
• Sold Nov 2020£119,950 | 3 Bed House43, Union Terrace, Merthyr Tydfil, CF47 0DY43, Union Terrace, Merthyr Tydfil, CF47 0DY
• Sold Oct 2020£111,500 | 3 Bed House5, Union Street, Merthyr Tydfil, CF47 0EB5, Union Street, Merthyr Tydfil, CF47 0EB
• Sold Nov 2018£59,500 | 3 Bed House83, Lower Thomas Street, Merthyr Tydfil, CF47 0DA83, Lower Thomas Street, Merthyr Tydfil, CF47 0DA
• Sold Aug 2018£80,000 | 3 Bed House39, Union Terrace, Merthyr Tydfil, CF47 0DY39, Union Terrace, Merthyr Tydfil, CF47 0DY
• Sold Jul 2018£85,000 | 3 Bed House80, Lower Thomas Street, Merthyr Tydfil, CF47 0DA80, Lower Thomas Street, Merthyr Tydfil, CF47 0DA
• Sold Jan 2018£90,000 | 3 Bed House31, Upper Thomas Street, Merthyr Tydfil, CF47 0BN31, Upper Thomas Street, Merthyr Tydfil, CF47 0BN
• Sold Mar 2017£42,500 | 3 Bed House19, Union Street, Merthyr Tydfil, CF47 0EB19, Union Street, Merthyr Tydfil, CF47 0EB
• Sold Aug 2016£71,000 | 3 Bed House12, New Castle Street, Merthyr Tydfil, CF47 0BH12, New Castle Street, Merthyr Tydfil, CF47 0BH
• Sold Jan 2016£90,000 | 3 Bed House16, New Castle Street, Merthyr Tydfil, CF47 0BH16, New Castle Street, Merthyr Tydfil, CF47 0BH

Of the 23 addresses on Union Street, Merthyr Tydfil, CF47, 16, Union Street, Merthyr Tydfil comes out as the 16th largest and the 16th most expensive in our analysis of the public data.

It is also £135 more expensive than the average property across the CF47 district.

• Merthyr Tydfil

  |

  300 m away
• Pentre-Bach

  |

  2.6 km away
• Troed-y-rhiw

  |

  4.3 km away

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