HM Land Registry records the plot of land for 9, Cromwell Street, Merthyr Tydfil as measuring 139 m².

That makes it the 18th largest plot in the postcode, where 37 of the 40 other houses have recorded plot data.

9, Cromwell Street, Merthyr Tydfil has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 10 Mar 2017.

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

The most recent sale of 9, Cromwell Street, Merthyr Tydfil completed on 30th June 2017 at £130,000 and was recorded by HM Land Registry as a freehold house.

Since 1995 the property has sold twice.

Values of comparable properties have risen by 6.3% over the period since June 2017.

Since 2014 63 properties similar to 9, Cromwell Street, Merthyr Tydfil have sold within a radius of 530 metres, per the Land Registry and our network of Estate Agents.

The latest, on the 21st May 2026, was 16, Morgan Street, Merthyr Tydfil, CF47 8TP, a freehold house which sold for £118,000.

Read more about house prices in CF47.

• Sold May 2026£118,000 | 3 Bed House16, Morgan Street, Merthyr Tydfil, CF47 8TP16, Morgan Street, Merthyr Tydfil, CF47 8TP
• Sold Jan 2026£175,000 | 3 Bed House13, Cromwell Street, Merthyr Tydfil, CF47 8RY13, Cromwell Street, Merthyr Tydfil, CF47 8RY
• Sold Jun 2025£131,250 | 4 Bed House15, Tudor Terrace, Merthyr Tydfil, CF47 8RU15, Tudor Terrace, Merthyr Tydfil, CF47 8RU
• Sold Mar 2025£170,000 | 4 Bed House10, Brunswick Street, Merthyr Tydfil, CF47 8SB10, Brunswick Street, Merthyr Tydfil, CF47 8SB
• Sold Feb 2025£188,000 | 4 Bed House18, Cromwell Street, Merthyr Tydfil, CF47 8RY18, Cromwell Street, Merthyr Tydfil, CF47 8RY
• Sold Nov 2023£30,000 | 4 Bed House54, The Walk, Merthyr Tydfil, CF47 8RR54, The Walk, Merthyr Tydfil, CF47 8RR
• Sold Nov 2022£115,000 | 4 Bed House17, Hanover Street, Merthyr Tydfil, CF47 8SW17, Hanover Street, Merthyr Tydfil, CF47 8SW
• Sold May 2022£115,000 | 4 Bed House13, Brunswick Street, Merthyr Tydfil, CF47 8SB13, Brunswick Street, Merthyr Tydfil, CF47 8SB
• Sold Feb 2022£185,000 | 3 Bed House3, Lancaster Terrace, Merthyr Tydfil, CF47 8SL3, Lancaster Terrace, Merthyr Tydfil, CF47 8SL
• Sold Oct 2021£101,000 | 3 Bed House48, The Grawen, Merthyr Tydfil, CF47 8NS48, The Grawen, Merthyr Tydfil, CF47 8NS
• Sold Jun 2021£135,000 | 3 Bed House34, Cromwell Street, Merthyr Tydfil, CF47 8RY34, Cromwell Street, Merthyr Tydfil, CF47 8RY
• Sold Apr 2021£77,500 | 3 Bed House41, The Grawen, Merthyr Tydfil, CF47 8NS41, The Grawen, Merthyr Tydfil, CF47 8NS
• Sold Jan 2021£120,000 | 3 Bed House38, Cromwell Street, Merthyr Tydfil, CF47 8RY38, Cromwell Street, Merthyr Tydfil, CF47 8RY
• Sold Dec 2020£75,000 | 3 Bed House8, Cromwell Street, Merthyr Tydfil, CF47 8RY8, Cromwell Street, Merthyr Tydfil, CF47 8RY
• Sold Aug 2020£111,000 | 4 Bed House23, Cromwell Street, Merthyr Tydfil, CF47 8RY23, Cromwell Street, Merthyr Tydfil, CF47 8RY
• Sold Jul 2019£137,000 | 4 Bed House20, Hanover Street, Merthyr Tydfil, CF47 8SW20, Hanover Street, Merthyr Tydfil, CF47 8SW
• Sold May 2018£138,000 | 3 Bed House6, Lancaster Terrace, Merthyr Tydfil, CF47 8SL6, Lancaster Terrace, Merthyr Tydfil, CF47 8SL
• Sold Jan 2017£137,500 | 3 Bed House16, Cromwell Street, Merthyr Tydfil, CF47 8RY16, Cromwell Street, Merthyr Tydfil, CF47 8RY
• Sold Jun 2014£85,000 | 3 Bed House35, Cromwell Street, Merthyr Tydfil, CF47 8RY35, Cromwell Street, Merthyr Tydfil, CF47 8RY
• Sold Jan 2014£86,000 | 3 Bed House40, Cromwell Street, Merthyr Tydfil, CF47 8RY40, Cromwell Street, Merthyr Tydfil, CF47 8RY

Of the 40 addresses on Cromwell Street, Merthyr Tydfil, CF47, 9, Cromwell Street, Merthyr Tydfil comes out as the 6th largest and the 6th most expensive in our analysis of the public data.

It is also £31k more expensive than the average property across the CF47 district.

• Merthyr Tydfil

  |

  800 m away
• Pentre-Bach

  |

  3.2 km away
• Troed-y-rhiw

  |

  4.9 km away

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