16, Arnold Street, Mountain Ash occupies a 103 m² plot as recorded by HM Land Registry.

Of the 65 other houses in this postcode, 55 have recorded plot sizes, and this one ranks as the 46th largest.

16, Arnold Street, Mountain Ash has an Energy Performance Rating (EPC) of E. This is based on the most recent assessment, dated 23 Jan 2015.

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

16, Arnold Street, Mountain Ash last changed hands on 24th March 2000, selling for £37,000. The transaction was logged as a freehold house by HM Land Registry.

That is its only recorded sale since 1995.

• Sold Mar 2000£37,000

Land Registry records and our Estate Agent network show 169 sales of comparable properties within 700 metres of 16, Arnold Street, Mountain Ash since 2017.

Most recently, 59, Arnold Street, Mountain Ash, CF45 4LF, a freehold house, sold at £140,000 on the 17th October 2025.

Read more about house prices in CF45.

• Sold Oct 2025£140,000 | 3 Bed House59, Arnold Street, Mountain Ash, CF45 4LF59, Arnold Street, Mountain Ash, CF45 4LF
• Sold Aug 2025£126,000 | 3 Bed House19, Beckett Street, Mountain Ash, CF45 4AW19, Beckett Street, Mountain Ash, CF45 4AW
• Sold Jul 2025£115,000 | 3 Bed House13, London Street, Mountain Ash, CF45 4BN13, London Street, Mountain Ash, CF45 4BN
• Sold Oct 2024£148,500 | 3 Bed House33, Phillip Street, Mountain Ash, CF45 4BE33, Phillip Street, Mountain Ash, CF45 4BE
• Sold Oct 2024£85,000 | 3 Bed House3, London Street, Mountain Ash, CF45 4BN3, London Street, Mountain Ash, CF45 4BN
• 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 Feb 2023£110,000 | 3 Bed House62, Arnold Street, Mountain Ash, CF45 4LF62, Arnold Street, Mountain Ash, CF45 4LF
• 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 Apr 2021£94,250 | 3 Bed House8, Alexandra Terrace, Mountain Ash, CF45 4LE8, Alexandra Terrace, Mountain Ash, CF45 4LE
• 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 Mar 2020£85,000 | 3 Bed House13, Phillip Street, Mountain Ash, CF45 4BE13, Phillip Street, Mountain Ash, CF45 4BE
• 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

Our analysis of the public data ranks 16, Arnold Street, Mountain Ash as the 20th largest and the 21st most expensive of the 65 addresses on Arnold Street, Mountain Ash, CF45.

Against the CF45 postcode district average, it is £27k less expensive than the typical property.

• Mountain Ash

  |

  400 m away
• Fernhill

  |

  1.5 km away
• Penrhiwceiber

  |

  2.0 km away

Environment Agency data suggests this area has a Very Low risk of flooding.