According to data from HM Land Registry, 49, Arnold Street, Mountain Ash sits on a plot of 112 m².

We have plot size data on 55 out of 65 other houses in the postcode and 49, Arnold Street, Mountain Ash sits on the 21st largest plot.

49, Arnold Street, Mountain Ash has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 02 Nov 2018.

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 the Land Registry and our network of Estate Agents, there have been 94 sales of properties similar to 49, Arnold Street, Mountain Ash within a radius of 710 metres since 2010.

The most recent example is 33, Duffryn Street, Mountain Ash, CF45 3NU, a freehold house which sold for £95,000 on the 13th June 2025.

Read more about house prices in CF45.

• Sold Jun 2025£95,000 | 3 Bed House33, Duffryn Street, Mountain Ash, CF45 3NU33, Duffryn Street, Mountain Ash, CF45 3NU
• Sold Apr 2025£120,000 | 3 Bed House22, Allen Street, Mountain Ash, CF45 4BD22, Allen Street, Mountain Ash, CF45 4BD
• Sold Dec 2023£100,000 | 3 Bed House82, Phillip Street, Mountain Ash, CF45 4BG82, Phillip Street, Mountain Ash, CF45 4BG
• Sold Dec 2023£56,500 | 3 Bed House58A, Duffryn Street, Mountain Ash, CF45 3HR58A, Duffryn Street, Mountain Ash, CF45 3HR
• Sold Mar 2023£110,000 | 3 Bed House45, Arnold Street, Mountain Ash, CF45 4LF45, Arnold Street, Mountain Ash, CF45 4LF
• Sold Jul 2022£75,000 | 3 Bed House24A, Allen Street, Mountain Ash, CF45 4BD24A, Allen Street, Mountain Ash, CF45 4BD
• Sold Apr 2022£106,000 | 3 Bed House16, Allen Street, Mountain Ash, CF45 4BD16, Allen Street, Mountain Ash, CF45 4BD
• Sold Sep 2021£90,000 | 3 Bed House85, Phillip Street, Mountain Ash, CF45 4BG85, Phillip Street, Mountain Ash, CF45 4BG
• Sold May 2021£65,500 | 2 Bed House13, Allen Street, Mountain Ash, CF45 4BD13, Allen Street, Mountain Ash, CF45 4BD
• Sold Mar 2021£57,500 | 3 Bed House43, Phillip Street, Mountain Ash, CF45 4BG43, Phillip Street, Mountain Ash, CF45 4BG
• Sold Nov 2020£65,000 | 3 Bed House23, Arnold Street, Mountain Ash, CF45 4LF23, Arnold Street, Mountain Ash, CF45 4LF
• Sold Nov 2020£55,000 | 3 Bed House46, Phillip Street, Mountain Ash, CF45 4BG46, Phillip Street, Mountain Ash, CF45 4BG
• Sold Apr 2020£58,000 | 3 Bed House4, Allen Street, Mountain Ash, CF45 4BD4, Allen Street, Mountain Ash, CF45 4BD
• Sold Apr 2020£93,500 | 3 Bed House35, Seymour Street, Mountain Ash, CF45 4BL35, Seymour Street, Mountain Ash, CF45 4BL
• Sold Jan 2020£61,000 | 3 Bed House87, Phillip Street, Mountain Ash, CF45 4BG87, Phillip Street, Mountain Ash, CF45 4BG
• Sold Oct 2019£83,000 | 3 Bed House14, Arnold Street, Mountain Ash, CF45 4LF14, Arnold Street, Mountain Ash, CF45 4LF
• Sold Nov 2018£52,950 | 3 Bed House95, Phillip Street, Mountain Ash, CF45 4BG95, Phillip Street, Mountain Ash, CF45 4BG
• Sold May 2018£54,000 | 3 Bed House18, Arnold Street, Mountain Ash, CF45 4LF18, Arnold Street, Mountain Ash, CF45 4LF
• Sold Dec 2016£75,000 | 3 Bed House83, Phillip Street, Mountain Ash, CF45 4BG83, Phillip Street, Mountain Ash, CF45 4BG
• Sold Sep 2010£72,000 | 3 Bed House55, Arnold Street, Mountain Ash, CF45 4LF55, Arnold Street, Mountain Ash, CF45 4LF

Arnold Street, Mountain Ash, CF45 has a total of 65 addresses. According to our analysis of all the public data, 49, Arnold Street, Mountain Ash is the 63rd largest and the 56th most expensive property on the street.

When compared to the postcode district it is £51k less expensive than the average property in CF45.

• Mountain Ash

  |

  400 m away
• Fernhill

  |

  1.5 km away
• Penrhiwceiber

  |

  2.0 km away

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