11, Union Street, Merthyr Tydfil occupies a 110 m² plot as recorded by HM Land Registry.

Of the 23 other houses in this postcode, 19 have recorded plot sizes, and this one ranks as the 6th largest.

11, Union Street, Merthyr Tydfil has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 29 Sep 2020.

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

Land Registry records and our Estate Agent network show 86 sales of comparable properties within 580 metres of 11, Union Street, Merthyr Tydfil since 2012.

Most recently, 37, William Street, Merthyr Tydfil, CF47 0RG, a freehold house, sold at £125,000 on the 6th March 2026.

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 Aug 2025£185,000 | 3 Bed House2, Summerhill, Merthyr Tydfil, CF47 0EY2, Summerhill, Merthyr Tydfil, CF47 0EY
• Sold Jun 2025£145,000 | 3 Bed House7, New Castle Street, Merthyr Tydfil, CF47 0BH7, New Castle Street, Merthyr Tydfil, CF47 0BH
• Sold May 2025£162,450 | 4 Bed House24, William Street, Merthyr Tydfil, CF47 0RG24, William Street, Merthyr Tydfil, CF47 0RG
• Sold Dec 2024£161,000 | 3 Bed House12, Woodland Place, Merthyr Tydfil, CF47 0NH12, Woodland Place, Merthyr Tydfil, CF47 0NH
• Sold Sep 2024£128,000 | 4 Bed House65, Lower Thomas Street, Merthyr Tydfil, CF47 0DA65, Lower Thomas Street, Merthyr Tydfil, CF47 0DA
• Sold Aug 2024£185,000 | 3 Bed House40, Mary Street, Merthyr Tydfil, CF47 0PY40, Mary Street, Merthyr Tydfil, CF47 0PY
• Sold Jul 2024£160,000 | 3 Bed House3, Newton Terrace, Merthyr Tydfil, CF47 0SB3, Newton Terrace, Merthyr Tydfil, CF47 0SB
• Sold Apr 2024£148,000 | 3 Bed House3, Woodland Place, Merthyr Tydfil, CF47 0NH3, Woodland Place, Merthyr Tydfil, CF47 0NH
• Sold Mar 2024£145,000 | 3 Bed House6, Cobden Place, Merthyr Tydfil, CF47 0EF6, Cobden Place, Merthyr Tydfil, CF47 0EF
• Sold Feb 2023£165,000 | 3 Bed House6, Summerhill, Merthyr Tydfil, CF47 0EY6, Summerhill, Merthyr Tydfil, CF47 0EY
• 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 Nov 2020£119,950 | 3 Bed House43, Union Terrace, Merthyr Tydfil, CF47 0DY43, Union Terrace, Merthyr Tydfil, CF47 0DY
• Sold Jan 2020£123,000 | 4 Bed House46, Union Terrace, Merthyr Tydfil, CF47 0DY46, Union Terrace, Merthyr Tydfil, CF47 0DY
• Sold Aug 2018£80,000 | 3 Bed House39, Union Terrace, Merthyr Tydfil, CF47 0DY39, Union Terrace, Merthyr Tydfil, CF47 0DY
• Sold Mar 2018£87,000 | 3 Bed House2, Union Street, Merthyr Tydfil, CF47 0EB2, 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 Oct 2012£90,000 | 4 Bed House18, New Castle Street, Merthyr Tydfil, CF47 0BH18, New Castle Street, Merthyr Tydfil, CF47 0BH

Our analysis of the public data ranks 11, Union Street, Merthyr Tydfil as the 5th largest and the 5th most expensive of the 23 addresses on Union Street, Merthyr Tydfil, CF47.

Against the CF47 postcode district average, it is £10k more expensive than the typical property.

• Merthyr Tydfil

  |

  300 m away
• Pentre-Bach

  |

  2.6 km away
• Troed-y-rhiw

  |

  4.3 km away

Environment Agency data suggests this area has a Very Low risk of flooding.