HM Land Registry records the plot of land for 9, Hamilton Street, Mountain Ash as measuring 110 m².

That makes it the 18th largest plot in the postcode, where 28 of the 30 other houses have recorded plot data.

9, Hamilton Street, Mountain Ash has an Energy Performance Rating (EPC) of E. This is based on the most recent assessment, dated 20 Jun 2018.

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, Hamilton Street, Mountain Ash completed on 8th February 2019 at £72,500 and was recorded by HM Land Registry as a freehold house.

Since 1995 this is the property's only sale.

Values of comparable properties have risen by 89.7% over the period since February 2019.

• Sold Feb 2019£72,500

Since 2018 179 properties similar to 9, Hamilton Street, Mountain Ash have sold within a radius of 610 metres, per the Land Registry and our network of Estate Agents.

The latest, on the 31st March 2026, was 13, Gorsedd Street, Mountain Ash, CF45 3LR, a freehold house which sold for £155,000.

Read more about house prices in CF45.

• Sold Mar 2026£155,000 | 3 Bed House13, Gorsedd Street, Mountain Ash, CF45 3LR13, Gorsedd Street, Mountain Ash, CF45 3LR
• Sold Feb 2026£142,500 | 3 Bed HouseAberpennar Cottage, Dover Street, Mountain Ash, CF45 3HYAberpennar Cottage, Dover Street, Mountain Ash, CF45 3HY
• Sold Dec 2025£95,000 | 3 Bed House8, Woodland Terrace, Mountain Ash, CF45 3RF8, Woodland Terrace, Mountain Ash, CF45 3RF
• Sold Nov 2025£118,000 | 3 Bed House6, Hamilton Street, Mountain Ash, CF45 3RH6, Hamilton Street, Mountain Ash, CF45 3RH
• Sold Jul 2025£115,000 | 3 Bed House9, Cadwaladr Street, Mountain Ash, CF45 3RD9, Cadwaladr Street, Mountain Ash, CF45 3RD
• Sold Oct 2024£148,500 | 3 Bed House33, Phillip Street, Mountain Ash, CF45 4BE33, 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 Jul 2024£137,500 | 3 Bed House1, Hamilton Street, Mountain Ash, CF45 3RH1, Hamilton Street, Mountain Ash, CF45 3RH
• Sold Jul 2024£77,000 | 3 Bed House15, Lyle Street, Mountain Ash, CF45 3RG15, Lyle Street, Mountain Ash, CF45 3RG
• Sold Jan 2024£102,500 | 3 Bed House29, Eva Street, Mountain Ash, CF45 3LF29, Eva Street, Mountain Ash, CF45 3LF
• Sold Nov 2023£159,995 | 3 Bed House1, Gorsedd Street, Mountain Ash, CF45 3LR1, Gorsedd Street, Mountain Ash, CF45 3LR
• Sold Apr 2023£116,000 | 3 Bed House24, Woodland Terrace, Mountain Ash, CF45 3RF24, Woodland Terrace, Mountain Ash, CF45 3RF
• Sold Mar 2023£148,000 | 3 Bed House1, Cadwaladr Street, Mountain Ash, CF45 3RD1, Cadwaladr Street, Mountain Ash, CF45 3RD
• Sold Aug 2022£41,000 | 3 Bed House2 St. Davids Cottages, High Street, Mountain Ash, CF45 3PF2 St. Davids Cottages, High Street, Mountain Ash, CF45 3PF
• Sold May 2022£137,500 | 3 Bed House19, Gorsedd Street, Mountain Ash, CF45 3LR19, Gorsedd Street, Mountain Ash, CF45 3LR
• Sold Sep 2021£95,000 | 3 Bed House8, Lyle Street, Mountain Ash, CF45 3RG8, Lyle Street, Mountain Ash, CF45 3RG
• Sold Dec 2020£97,500 | 3 Bed House30, Gorsedd Street, Mountain Ash, CF45 3LR30, Gorsedd Street, Mountain Ash, CF45 3LR
• Sold Sep 2020£85,000 | 3 Bed House14, Hamilton Street, Mountain Ash, CF45 3RH14, Hamilton Street, Mountain Ash, CF45 3RH
• Sold Jun 2020£63,000 | 3 Bed House5, Hamilton Street, Mountain Ash, CF45 3RH5, Hamilton Street, Mountain Ash, CF45 3RH
• Sold Jun 2018£65,000 | 3 Bed House30, Woodland Terrace, Mountain Ash, CF45 3RF30, Woodland Terrace, Mountain Ash, CF45 3RF

Of the 32 addresses on Hamilton Street, Mountain Ash, CF45, 9, Hamilton Street, Mountain Ash comes out as the 25th largest and the 21st most expensive in our analysis of the public data.

It is also £9k less expensive than the average property across the CF45 district.

• Mountain Ash

  |

  500 m away
• Fernhill

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  1.0 km away
• Penrhiwceiber

  |

  2.1 km away

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