According to data from HM Land Registry, 59, Arnold Street, Mountain Ash sits on a plot of 106 m².

We have plot size data on 55 out of 65 other houses in the postcode and 59, Arnold Street, Mountain Ash sits on the 39th largest plot.

59, Arnold Street, Mountain Ash has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 14 Jun 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, 59, Arnold Street, Mountain Ash was last sold on 17th October 2025 for £140,000 and was recorded as a freehold house.

The property has had 3 sales since 1995.

Since October 2025, the market for similar properties has dropped by 0.5%.

• Sold Oct 2025£140,000
• Sold May 2020£93,000
• Sold Jun 2018£64,000

According to the Land Registry and our network of Estate Agents, there have been 188 sales of properties similar to 59, Arnold Street, Mountain Ash within a radius of 710 metres since 2017.

The most recent example is 19, Beckett Street, Mountain Ash, CF45 4AW, a freehold house which sold for £126,000 on the 4th August 2025.

Read more about house prices in CF45.

• Sold Aug 2025£126,000 | 3 Bed House19, Beckett Street, Mountain Ash, CF45 4AW19, Beckett Street, Mountain Ash, CF45 4AW
• Sold Jul 2025£175,000 | 3 Bed House27, The Triangle, Mountain Ash, CF45 4BA27, The Triangle, Mountain Ash, CF45 4BA
• Sold Oct 2024£148,500 | 3 Bed House33, Phillip Street, Mountain Ash, CF45 4BE33, Phillip Street, Mountain Ash, CF45 4BE
• Sold Oct 2024£80,000 | 3 Bed House18, Phillip Street, Mountain Ash, CF45 4BE18, Phillip Street, Mountain Ash, CF45 4BE
• Sold May 2024£143,000 | 3 Bed House8, Copley Street, Mountain Ash, CF45 4AS8, Copley Street, Mountain Ash, CF45 4AS
• 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 Jun 2022£129,995 | 3 Bed House4, Copley Street, Mountain Ash, CF45 4AS4, Copley Street, Mountain Ash, CF45 4AS
• Sold Mar 2022£115,000 | 3 Bed House56, Phillip Street, Mountain Ash, CF45 4BG56, Phillip Street, Mountain Ash, CF45 4BG
• Sold Sep 2021£107,500 | 3 Bed House37, Arnold Street, Mountain Ash, CF45 4LF37, Arnold Street, Mountain Ash, CF45 4LF
• Sold Jun 2021£80,000 | 3 Bed House24, Arnold Street, Mountain Ash, CF45 4LF24, Arnold Street, Mountain Ash, CF45 4LF
• Sold May 2021£109,000 | 3 Bed House30, Phillip Street, Mountain Ash, CF45 4BE30, Phillip Street, Mountain Ash, CF45 4BE
• Sold Mar 2021£65,000 | 3 Bed House23, Phillip Street, Mountain Ash, CF45 4BE23, Phillip Street, Mountain Ash, CF45 4BE
• Sold Oct 2020£90,000 | 3 Bed House11, Arnold Street, Mountain Ash, CF45 4LF11, Arnold Street, Mountain Ash, CF45 4LF
• Sold Aug 2020£72,000 | 3 Bed House58, Phillip Street, Mountain Ash, CF45 4BG58, Phillip Street, Mountain Ash, CF45 4BG
• Sold Jul 2020£112,000 | 3 Bed House51, Phillip Street, Mountain Ash, CF45 4BG51, Phillip Street, Mountain Ash, CF45 4BG
• Sold Nov 2019£108,000 | 3 Bed House3, Copley Street, Mountain Ash, CF45 4AS3, Copley Street, Mountain Ash, CF45 4AS
• Sold Jul 2019£90,000 | 3 Bed House27, Copley Street, Mountain Ash, CF45 4AS27, Copley Street, Mountain Ash, CF45 4AS
• Sold May 2017£72,000 | 3 Bed House53, Arnold Street, Mountain Ash, CF45 4LF53, Arnold Street, Mountain Ash, CF45 4LF
• Sold Feb 2017£73,000 | 3 Bed House50, Arnold Street, Mountain Ash, CF45 4LF50, 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, 59, Arnold Street, Mountain Ash is the 21st largest and the 22nd most expensive property on the street.

When compared to the postcode district it is £27k 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.