HM Land Registry records the plot of land for 12, Jeffrey Street, Mountain Ash as measuring 125 m².

That makes it the 8th largest plot in the postcode, where 12 of the 14 other houses have recorded plot data.

12, Jeffrey Street, Mountain Ash has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 10 Feb 2021.

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

The most recent sale of 12, Jeffrey Street, Mountain Ash completed on 25th March 2010 at £85,000 and was recorded by HM Land Registry as a freehold house.

Since 1995 this is the property's only sale.

Values of comparable properties have risen by 70.9% over the period since March 2010.

• Sold Mar 2010£85,000

Since 2016 68 properties similar to 12, Jeffrey Street, Mountain Ash have sold within a radius of 540 metres, per the Land Registry and our network of Estate Agents.

The latest, on the 8th May 2026, was 12, Beckett Street, Mountain Ash, CF45 4AW, a freehold house which sold for £150,000.

Read more about house prices in CF45.

• Sold May 2026£150,000 | 3 Bed House12, Beckett Street, Mountain Ash, CF45 4AW12, Beckett Street, Mountain Ash, CF45 4AW
• Sold Feb 2026£142,500 | 3 Bed HouseAberpennar Cottage, Dover Street, Mountain Ash, CF45 3HYAberpennar Cottage, Dover Street, Mountain Ash, CF45 3HY
• Sold Oct 2025£130,000 | 3 Bed House26, The Triangle, Mountain Ash, CF45 4BA26, The Triangle, Mountain Ash, CF45 4BA
• Sold Aug 2025£126,000 | 3 Bed House19, Beckett Street, Mountain Ash, CF45 4AW19, Beckett Street, Mountain Ash, CF45 4AW
• Sold Feb 2025£122,000 | 3 Bed House21, Darran Road, Mountain Ash, CF45 3HT21, Darran Road, Mountain Ash, CF45 3HT
• Sold Oct 2024£148,500 | 3 Bed House33, Phillip Street, Mountain Ash, CF45 4BE33, Phillip Street, Mountain Ash, CF45 4BE
• Sold Aug 2024£136,760 | 3 Bed House1, Lyle Street, Mountain Ash, CF45 3RG1, Lyle Street, Mountain Ash, CF45 3RG
• Sold Jun 2024£115,000 | 3 Bed House11, Seymour Street, Mountain Ash, CF45 4BL11, Seymour Street, Mountain Ash, CF45 4BL
• Sold Feb 2024£125,000 | 4 Bed House76, Phillip Street, Mountain Ash, CF45 4BG76, Phillip Street, Mountain Ash, CF45 4BG
• Sold Aug 2023£180,000 | 3 Bed House3, Beckett Street, Mountain Ash, CF45 4AW3, Beckett Street, Mountain Ash, CF45 4AW
• Sold Feb 2023£171,500 | 4 Bed House9, Seymour Street, Mountain Ash, CF45 4BL9, Seymour Street, Mountain Ash, CF45 4BL
• Sold Feb 2023£110,000 | 3 Bed House62, Arnold Street, Mountain Ash, CF45 4LF62, Arnold Street, Mountain Ash, CF45 4LF
• Sold Sep 2022£120,000 | 4 Bed House14, Phillip Street, Mountain Ash, CF45 4BE14, Phillip Street, Mountain Ash, CF45 4BE
• Sold Apr 2022£93,000 | 4 Bed House10, Darran Road, Mountain Ash, CF45 3HT10, Darran Road, Mountain Ash, CF45 3HT
• Sold Mar 2022£127,500 | 4 Bed House3, Knight Street, Mountain Ash, CF45 3EY3, Knight Street, Mountain Ash, CF45 3EY
• Sold Oct 2020£90,000 | 3 Bed House11, Arnold Street, Mountain Ash, CF45 4LF11, Arnold Street, Mountain Ash, CF45 4LF
• Sold Jul 2019£135,000 | 4 Bed House7, Seymour Street, Mountain Ash, CF45 4BL7, Seymour Street, Mountain Ash, CF45 4BL
• Sold Sep 2018£90,000 | 3 Bed House19, Jeffrey Street, Mountain Ash, CF45 4BS19, Jeffrey Street, Mountain Ash, CF45 4BS
• Sold Mar 2017£103,500 | 3 Bed House14, Allen Street, Mountain Ash, CF45 4BD14, Allen Street, Mountain Ash, CF45 4BD
• Sold Jun 2016£89,000 | 3 Bed House29, Phillip Street, Mountain Ash, CF45 4BE29, Phillip Street, Mountain Ash, CF45 4BE

Of the 16 addresses on Jeffrey Street, Mountain Ash, CF45, 12, Jeffrey Street, Mountain Ash comes out as the 2nd largest and the 2nd most expensive in our analysis of the public data.

It is also £17k less expensive than the average property across the CF45 district.

• Mountain Ash

  |

  300 m away
• Fernhill

  |

  1.3 km away
• Penrhiwceiber

  |

  1.9 km away

The flood risk here is rated Very Low, based on Environment Agency data.