10, Jeffrey Street, Mountain Ash occupies a 109 m² plot as recorded by HM Land Registry.

Of the 14 other houses in this postcode, 12 have recorded plot sizes, and this one ranks as the 9th largest.

10, Jeffrey Street, Mountain Ash has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 10 Feb 2023.

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

10, Jeffrey Street, Mountain Ash last changed hands on 6th April 2023, selling for £94,000. The transaction was logged as a freehold house by HM Land Registry.

That is its only recorded sale since 1995.

The market for similar properties has risen by 11.7% since April 2023.

• Sold Apr 2023£94,000

Land Registry records and our Estate Agent network show 217 sales of comparable properties within 540 metres of 10, Jeffrey Street, Mountain Ash since 2020.

Most recently, 81, Duffryn Street, Mountain Ash, CF45 3HR, a freehold house, sold at £115,000 on the 7th November 2025.

Read more about house prices in CF45.

• Sold Nov 2025£115,000 | 3 Bed House81, Duffryn Street, Mountain Ash, CF45 3HR81, Duffryn Street, Mountain Ash, CF45 3HR
• Sold Oct 2025£140,000 | 3 Bed House59, Arnold Street, Mountain Ash, CF45 4LF59, Arnold Street, Mountain Ash, CF45 4LF
• Sold Jul 2025£49,000 | 3 Bed House49, Commercial Street, Mountain Ash, CF45 3PS49, Commercial Street, Mountain Ash, CF45 3PS
• Sold Jul 2025£115,000 | 3 Bed House13, London Street, Mountain Ash, CF45 4BN13, London Street, Mountain Ash, CF45 4BN
• Sold Apr 2025£82,600 | 3 Bed House54, Arnold Street, Mountain Ash, CF45 4LF54, Arnold Street, Mountain Ash, CF45 4LF
• Sold Jan 2025£81,500 | 3 Bed House2, Cliff Street, Mountain Ash, CF45 3LE2, Cliff Street, Mountain Ash, CF45 3LE
• Sold Oct 2024£80,000 | 3 Bed House18, Phillip Street, Mountain Ash, CF45 4BE18, 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 Jun 2024£112,000 | 3 Bed House15, London Street, Mountain Ash, CF45 4BN15, London Street, Mountain Ash, CF45 4BN
• Sold Jan 2024£105,000 | 3 Bed House12, Phillip Street, Mountain Ash, CF45 4BE12, Phillip Street, Mountain Ash, CF45 4BE
• Sold Dec 2022£130,000 | 3 Bed House6, London Street, Mountain Ash, CF45 4BN6, London Street, Mountain Ash, CF45 4BN
• Sold Aug 2022£135,000 | 3 Bed House15, Arnold Street, Mountain Ash, CF45 4LF15, Arnold Street, Mountain Ash, CF45 4LF
• Sold Jul 2022£135,000 | 3 Bed House17, Allen Street, Mountain Ash, CF45 4BD17, Allen Street, Mountain Ash, CF45 4BD
• 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£120,000 | 3 Bed House4, Phillip Street, Mountain Ash, CF45 4BE4, Phillip Street, Mountain Ash, CF45 4BE
• Sold Jun 2021£80,000 | 3 Bed House24, Arnold Street, Mountain Ash, CF45 4LF24, Arnold Street, Mountain Ash, CF45 4LF
• Sold Mar 2021£65,000 | 3 Bed House23, Phillip Street, Mountain Ash, CF45 4BE23, Phillip Street, Mountain Ash, CF45 4BE
• Sold Feb 2021£68,000 | 3 Bed House58, Duffryn Street, Mountain Ash, CF45 3HR58, Duffryn Street, Mountain Ash, CF45 3HR
• Sold Aug 2020£72,000 | 3 Bed House58, Phillip Street, Mountain Ash, CF45 4BG58, Phillip Street, Mountain Ash, CF45 4BG

Our analysis of the public data ranks 10, Jeffrey Street, Mountain Ash as the 12th largest and the 13th most expensive of the 16 addresses on Jeffrey Street, Mountain Ash, CF45.

Against the CF45 postcode district average, it is £35k less expensive than the typical property.

• Mountain Ash

  |

  300 m away
• Fernhill

  |

  1.3 km away
• Penrhiwceiber

  |

  1.9 km away

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