According to data from HM Land Registry, 9, Cadwaladr Street, Mountain Ash sits on a plot of 124 m².

We have plot size data on 37 out of 45 other houses in the postcode and 9, Cadwaladr Street, Mountain Ash sits on the 18th largest plot.

9, Cadwaladr Street, Mountain Ash has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 18 Mar 2025.

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

According to HM Land Registry, 9, Cadwaladr Street, Mountain Ash was last sold on 7th July 2025 for £115,000 and was recorded as a freehold house.

The property has had 4 sales since 1995.

Since July 2025, the market for similar properties has risen by 21.5%.

• Sold Jul 2025£115,000
• Sold Aug 2007£89,500
• Sold Oct 2001£39,000

According to the Land Registry and our network of Estate Agents, there have been 241 sales of properties similar to 9, Cadwaladr Street, Mountain Ash within a radius of 710 metres since 2014.

The most recent example is 26, Woodland Terrace, Mountain Ash, CF45 3RF, a freehold house which sold for £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 Apr 2026£95,000 | 3 Bed House16, Lyle Street, Mountain Ash, CF45 3RG16, Lyle Street, Mountain Ash, CF45 3RG
• Sold Dec 2025£95,000 | 3 Bed House8, Woodland Terrace, Mountain Ash, CF45 3RF8, Woodland Terrace, Mountain Ash, CF45 3RF
• Sold Jul 2025£49,000 | 3 Bed House49, Commercial Street, Mountain Ash, CF45 3PS49, Commercial Street, Mountain Ash, CF45 3PS
• Sold Sep 2024£80,000 | 3 Bed House16, Cadwaladr Street, Mountain Ash, CF45 3RD16, Cadwaladr Street, Mountain Ash, CF45 3RD
• Sold Jul 2024£77,000 | 3 Bed House15, Lyle Street, Mountain Ash, CF45 3RG15, Lyle Street, Mountain Ash, CF45 3RG
• Sold Mar 2024£110,000 | 3 Bed House13, Lyle Street, Mountain Ash, CF45 3RG13, Lyle Street, Mountain Ash, CF45 3RG
• Sold Jan 2024£145,000 | 3 Bed House12, Cadwaladr Street, Mountain Ash, CF45 3RD12, Cadwaladr Street, Mountain Ash, CF45 3RD
• Sold Dec 2023£108,000 | 3 Bed House103, Woodland Street, Mountain Ash, CF45 3RB103, Woodland Street, Mountain Ash, CF45 3RB
• 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 Sep 2021£95,000 | 3 Bed House8, Lyle Street, Mountain Ash, CF45 3RG8, Lyle Street, Mountain Ash, CF45 3RG
• Sold Nov 2020£92,000 | 3 Bed House14, Lyle Street, Mountain Ash, CF45 3RG14, Lyle Street, Mountain Ash, CF45 3RG
• Sold Jun 2018£65,000 | 3 Bed House30, Woodland Terrace, Mountain Ash, CF45 3RF30, Woodland Terrace, Mountain Ash, CF45 3RF
• Sold Apr 2018£75,000 | 3 Bed House26, Cadwaladr Street, Mountain Ash, CF45 3RD26, Cadwaladr Street, Mountain Ash, CF45 3RD
• Sold Oct 2016£53,000 | 3 Bed House34, Cadwaladr Street, Mountain Ash, CF45 3RD34, Cadwaladr Street, Mountain Ash, CF45 3RD
• Sold Oct 2016£72,500 | 3 Bed House4, Lyle Street, Mountain Ash, CF45 3RG4, Lyle Street, Mountain Ash, CF45 3RG
• 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

Cadwaladr Street, Mountain Ash, CF45 has a total of 45 addresses. According to our analysis of all the public data, 9, Cadwaladr Street, Mountain Ash is the 28th largest and the 29th most expensive property on the street.

When compared to the postcode district it is £28k less expensive than the average property in CF45.

• Mountain Ash

  |

  700 m away
• Fernhill

  |

  800 m away
• Penrhiwceiber

  |

  2.4 km away

According to data from the Environment Agency, the flood risk in this area is considered to be Very Low.