17, Hamilton Street, Mountain Ash occupies a 171 m² plot as recorded by HM Land Registry.

Of the 30 other houses in this postcode, 28 have recorded plot sizes, and this one ranks as the 7th largest.

17, Hamilton Street, Mountain Ash has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 04 Nov 2016.

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

17, Hamilton Street, Mountain Ash last changed hands on 27th August 2004, selling for £85,000. The transaction was logged as a freehold house by HM Land Registry.

In total it has sold 3 times since 1995.

• Sold Aug 2004£85,000
• Sold Jun 1998£25,000
• Sold Sep 1996£23,000

Land Registry records and our Estate Agent network show 89 sales of comparable properties within 580 metres of 17, Hamilton Street, Mountain Ash since 2020.

Most recently, 12, Beckett Street, Mountain Ash, CF45 4AW, a freehold house, sold at £150,000 on the 8th May 2026.

Read more about house prices in CF45.

• Sold May 2026£150,000 | 3 Bed House12, Beckett Street, Mountain Ash, CF45 4AW12, Beckett Street, Mountain Ash, CF45 4AW
• Sold Feb 2026£158,000 | 3 Bed House24, Richmond Road, Mountain Ash, CF45 4AN24, Richmond Road, Mountain Ash, CF45 4AN
• Sold Nov 2025£157,000 | 4 Bed House38, Aberpennar Street, Mountain Ash, CF45 3LS38, Aberpennar Street, Mountain Ash, CF45 3LS
• Sold Oct 2025£180,000 | 4 Bed House44, Ceridwen Street, Mountain Ash, CF45 3LU44, Ceridwen Street, Mountain Ash, CF45 3LU
• Sold Sep 2025£142,000 | 4 Bed House33, Kingcraft Street, Mountain Ash, CF45 3LT33, Kingcraft Street, Mountain Ash, CF45 3LT
• Sold Jul 2025£210,000 | 4 Bed House18, Richmond Road, Mountain Ash, CF45 4AN18, Richmond Road, Mountain Ash, CF45 4AN
• Sold Apr 2025£170,000 | 3 Bed House8, Harcourt Road, Mountain Ash, CF45 3PY8, Harcourt Road, Mountain Ash, CF45 3PY
• Sold Nov 2024£195,000 | 3 Bed HouseLlyswerfa, Hamilton Street, Mountain Ash, CF45 3RHLlyswerfa, Hamilton Street, Mountain Ash, CF45 3RH
• Sold Sep 2024£180,000 | 3 Bed House7, Campbell Terrace, Mountain Ash, CF45 4AE7, Campbell Terrace, Mountain Ash, CF45 4AE
• Sold Aug 2024£200,000 | 4 Bed House9, Harcourt Road, Mountain Ash, CF45 3PY9, Harcourt Road, Mountain Ash, CF45 3PY
• Sold Jul 2024£137,500 | 3 Bed House1, Hamilton Street, Mountain Ash, CF45 3RH1, Hamilton Street, Mountain Ash, CF45 3RH
• Sold Oct 2022£110,000 | 3 Bed House23, Gorsedd Street, Mountain Ash, CF45 3LR23, Gorsedd Street, Mountain Ash, CF45 3LR
• Sold Sep 2022£120,000 | 4 Bed House14, Phillip Street, Mountain Ash, CF45 4BE14, Phillip Street, Mountain Ash, CF45 4BE
• Sold Apr 2022£93,000 | 4 Bed House10, Darran Road, Mountain Ash, CF45 3HT10, Darran Road, Mountain Ash, CF45 3HT
• Sold Nov 2021£138,000 | 3 Bed House20, Gorsedd Street, Mountain Ash, CF45 3LR20, Gorsedd Street, Mountain Ash, CF45 3LR
• Sold Nov 2021£130,000 | 3 Bed House15, Hamilton Street, Mountain Ash, CF45 3RH15, Hamilton Street, Mountain Ash, CF45 3RH
• Sold Oct 2021£143,000 | 4 Bed HouseAlltfelen, Hamilton Street, Mountain Ash, CF45 3RHAlltfelen, Hamilton Street, Mountain Ash, CF45 3RH
• Sold May 2021£124,995 | 3 Bed HouseLlysdarran, Hamilton Street, Mountain Ash, CF45 3RHLlysdarran, Hamilton Street, Mountain Ash, CF45 3RH
• Sold May 2021£149,995 | 3 Bed House14, Harcourt Road, Mountain Ash, CF45 3PY14, Harcourt Road, Mountain Ash, CF45 3PY
• Sold Jan 2020£78,000 | 3 Bed House2, Harcourt Road, Mountain Ash, CF45 3PY2, Harcourt Road, Mountain Ash, CF45 3PY

Our analysis of the public data ranks 17, Hamilton Street, Mountain Ash as the 8th largest and the 8th most expensive of the 32 addresses on Hamilton Street, Mountain Ash, CF45.

Against the CF45 postcode district average, it is £16k more expensive than the typical property.

• Mountain Ash

  |

  500 m away
• Fernhill

  |

  1.0 km away
• Penrhiwceiber

  |

  2.1 km away

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