12, Castle Square, Merthyr Tydfil occupies a 174 m² plot as recorded by HM Land Registry.

Of the 26 other houses in this postcode, 21 have recorded plot sizes, and this one ranks as the 2nd largest.

12, Castle Square, Merthyr Tydfil last changed hands on 29th February 2008, selling for £62,500. The transaction was logged as a freehold house by HM Land Registry.

That is its only recorded sale since 1995.

The market for similar properties has risen by 58.3% since February 2008.

• Sold Feb 2008£62,500

Land Registry records and our Estate Agent network show 81 sales of comparable properties within 750 metres of 12, Castle Square, Merthyr Tydfil since 2010.

Most recently, 2, Dane Street, Merthyr Tydfil, CF47 8SE, a freehold house, sold at £136,000 on the 27th August 2025.

Read more about house prices in CF47.

• Sold Aug 2025£136,000 | 3 Bed House2, Dane Street, Merthyr Tydfil, CF47 8SE2, Dane Street, Merthyr Tydfil, CF47 8SE
• Sold Jun 2024£115,000 | 3 Bed House4, Vincent Place, Merthyr Tydfil, CF47 8PT4, Vincent Place, Merthyr Tydfil, CF47 8PT
• Sold Apr 2024£62,000 | 3 Bed House16, Mount Terrace, Merthyr Tydfil, CF47 8TW16, Mount Terrace, Merthyr Tydfil, CF47 8TW
• Sold Dec 2023£126,000 | 3 Bed House7, Stuart Street, Merthyr Tydfil, CF47 8SA7, Stuart Street, Merthyr Tydfil, CF47 8SA
• Sold Sep 2023£125,000 | 3 Bed House7, Tydfil Terrace, Merthyr Tydfil, CF47 8SY7, Tydfil Terrace, Merthyr Tydfil, CF47 8SY
• Sold Oct 2022£97,000 | 3 Bed House8, Tydfil Terrace, Merthyr Tydfil, CF47 8SY8, Tydfil Terrace, Merthyr Tydfil, CF47 8SY
• Sold Aug 2022£190,000 | 3 Bed House68-70, Brecon Road, Merthyr Tydfil, CF47 8NN68-70, Brecon Road, Merthyr Tydfil, CF47 8NN
• Sold Jul 2022£82,000 | 3 Bed House18, Mount Terrace, Merthyr Tydfil, CF47 8TW18, Mount Terrace, Merthyr Tydfil, CF47 8TW
• Sold Jul 2022£110,000 | 3 Bed House16, Well Street, Merthyr Tydfil, CF47 8SU16, Well Street, Merthyr Tydfil, CF47 8SU
• Sold Jul 2022£65,000 | 3 Bed House21, Mount Street, Merthyr Tydfil, CF47 8TN21, Mount Street, Merthyr Tydfil, CF47 8TN
• Sold Nov 2021£73,000 | 3 Bed House7, Church Street, Merthyr Tydfil, CF47 8TA7, Church Street, Merthyr Tydfil, CF47 8TA
• Sold Nov 2021£122,500 | 3 Bed House27, Stuart Street, Merthyr Tydfil, CF47 8SA27, Stuart Street, Merthyr Tydfil, CF47 8SA
• Sold Mar 2021£82,000 | 3 Bed House1, Tydfil Terrace, Merthyr Tydfil, CF47 8SY1, Tydfil Terrace, Merthyr Tydfil, CF47 8SY
• Sold Mar 2020£76,000 | 3 Bed House33, Stuart Street, Merthyr Tydfil, CF47 8SA33, Stuart Street, Merthyr Tydfil, CF47 8SA
• Sold Sep 2019£69,000 | 3 Bed House5, Tydfil Terrace, Merthyr Tydfil, CF47 8SY5, Tydfil Terrace, Merthyr Tydfil, CF47 8SY
• Sold Apr 2018£85,000 | 3 Bed House7, Castle Square, Merthyr Tydfil, CF47 8NU7, Castle Square, Merthyr Tydfil, CF47 8NU
• Sold Nov 2017£109,000 | 3 Bed House30, Stuart Street, Merthyr Tydfil, CF47 8SA30, Stuart Street, Merthyr Tydfil, CF47 8SA
• Sold Jul 2016£45,000 | 3 Bed House17, Grawen Terrace, Merthyr Tydfil, CF47 8TH17, Grawen Terrace, Merthyr Tydfil, CF47 8TH
• Sold Oct 2015£82,000 | 3 Bed House5, Castle Square, Merthyr Tydfil, CF47 8NU5, Castle Square, Merthyr Tydfil, CF47 8NU
• Sold Aug 2010£70,000 | 3 Bed House3, Castle Square, Merthyr Tydfil, CF47 8NU3, Castle Square, Merthyr Tydfil, CF47 8NU

Our analysis of the public data ranks 12, Castle Square, Merthyr Tydfil as the 7th largest and the 7th most expensive of the 26 addresses on Castle Square, Merthyr Tydfil, CF47.

Against the CF47 postcode district average, it is £28k less expensive than the typical property.

• Merthyr Tydfil

  |

  1.1 km away
• Pentre-Bach

  |

  3.5 km away
• Troed-y-rhiw

  |

  5.3 km away

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