12, Hamilton Street, Mountain Ash occupies a 127 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 17th largest.

12, Hamilton Street, Mountain Ash has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 31 Jan 2025.

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

12, Hamilton Street, Mountain Ash last changed hands on 21st January 2021, selling for £70,000. The transaction was logged as a freehold house by HM Land Registry.

In total it has sold twice since 1995.

The market for similar properties has risen by 63.2% since January 2021.

• Sold Jan 2021£70,000
• Sold Oct 2011£52,657

Land Registry records and our Estate Agent network show 155 sales of comparable properties within 590 metres of 12, Hamilton Street, Mountain Ash since 2014.

Most recently, 26, Woodland Terrace, Mountain Ash, CF45 3RF, a freehold house, sold at £130,000 on the 1st May 2026.

Read more about house prices in CF45.

• Sold May 2026£130,000 | 3 Bed House26, Woodland Terrace, Mountain Ash, CF45 3RF26, Woodland Terrace, Mountain Ash, CF45 3RF
• Sold Dec 2025£95,000 | 3 Bed House8, Woodland Terrace, Mountain Ash, CF45 3RF8, Woodland Terrace, Mountain Ash, CF45 3RF
• Sold Jul 2025£115,000 | 3 Bed House9, Cadwaladr Street, Mountain Ash, CF45 3RD9, Cadwaladr Street, Mountain Ash, CF45 3RD
• Sold Mar 2025£138,000 | 3 Bed House1 St. Davids Cottages, High Street, Mountain Ash, CF45 3PF1 St. Davids Cottages, High Street, Mountain Ash, CF45 3PF
• Sold Dec 2024£105,000 | 3 Bed House5, Woodland Street, Mountain Ash, CF45 3RR5, Woodland Street, Mountain Ash, CF45 3RR
• Sold Oct 2024£80,000 | 3 Bed House18, Phillip Street, Mountain Ash, CF45 4BE18, Phillip Street, Mountain Ash, CF45 4BE
• Sold Sep 2024£80,000 | 3 Bed House16, Cadwaladr Street, Mountain Ash, CF45 3RD16, Cadwaladr Street, Mountain Ash, CF45 3RD
• Sold Sep 2024£85,000 | 3 Bed House42, Allen Street, Mountain Ash, CF45 4BB42, Allen Street, Mountain Ash, CF45 4BB
• Sold Jul 2024£140,000 | 3 Bed House26, Phillip Street, Mountain Ash, CF45 4BE26, Phillip Street, Mountain Ash, CF45 4BE
• Sold Jan 2024£102,500 | 3 Bed House29, Eva Street, Mountain Ash, CF45 3LF29, Eva Street, Mountain Ash, CF45 3LF
• Sold Jan 2024£145,000 | 3 Bed House12, Cadwaladr Street, Mountain Ash, CF45 3RD12, Cadwaladr Street, Mountain Ash, CF45 3RD
• Sold Jan 2024£105,000 | 3 Bed House12, Phillip Street, Mountain Ash, CF45 4BE12, Phillip Street, Mountain Ash, CF45 4BE
• Sold Aug 2023£115,000 | 3 Bed House47, Allen Street, Mountain Ash, CF45 4BB47, Allen Street, Mountain Ash, CF45 4BB
• Sold Apr 2023£116,000 | 3 Bed House24, Woodland Terrace, Mountain Ash, CF45 3RF24, Woodland Terrace, Mountain Ash, CF45 3RF
• Sold Jan 2023£88,500 | 3 Bed House37, Cadwaladr Street, Mountain Ash, CF45 3RD37, Cadwaladr Street, Mountain Ash, CF45 3RD
• Sold Dec 2022£110,000 | 3 Bed House24, Lyle Street, Mountain Ash, CF45 3RG24, Lyle Street, Mountain Ash, CF45 3RG
• Sold Jun 2021£120,000 | 3 Bed House4, Phillip Street, Mountain Ash, CF45 4BE4, Phillip Street, Mountain Ash, CF45 4BE
• Sold Apr 2018£75,000 | 3 Bed House26, Cadwaladr Street, Mountain Ash, CF45 3RD26, Cadwaladr Street, Mountain Ash, CF45 3RD
• Sold Jan 2016£79,000 | 3 Bed House14, Woodland Terrace, Mountain Ash, CF45 3RF14, Woodland Terrace, Mountain Ash, CF45 3RF
• Sold Oct 2014£41,500 | 3 Bed House15, Woodland Terrace, Mountain Ash, CF45 3RF15, Woodland Terrace, Mountain Ash, CF45 3RF

Our analysis of the public data ranks 12, Hamilton Street, Mountain Ash as the 31st largest and the 25th most expensive of the 32 addresses on Hamilton Street, Mountain Ash, CF45.

Against the CF45 postcode district average, it is £16k less 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.