According to data from HM Land Registry, 38, Aberpennar Street, Mountain Ash sits on a plot of 118 m².

We have plot size data on 45 out of 52 other houses in the postcode and 38, Aberpennar Street, Mountain Ash sits on the 38th largest plot.

38, Aberpennar Street, Mountain Ash has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 20 Jan 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 HM Land Registry, 38, Aberpennar Street, Mountain Ash was last sold on 24th November 2025 for £157,000 and was recorded as a freehold house.

The property has had 2 sales since 1995.

Since November 2025, the market for similar properties has risen by 53.0%.

• Sold Nov 2025£157,000
• Sold Oct 2019£113,500

According to the Land Registry and our network of Estate Agents, there have been 58 sales of properties similar to 38, Aberpennar Street, Mountain Ash within a radius of 650 metres since 2010.

The most recent example is 8, Hamilton Street, Mountain Ash, CF45 3RH, a freehold house which sold for £177,500 on the 18th June 2026.

Read more about house prices in CF45.

• Sold Jun 2026£177,500 | 4 Bed House8, Hamilton Street, Mountain Ash, CF45 3RH8, Hamilton Street, Mountain Ash, CF45 3RH
• Sold Apr 2026£130,000 | 4 Bed House9, Clarence Street, Mountain Ash, CF45 3BB9, Clarence Street, Mountain Ash, CF45 3BB
• Sold Dec 2025£130,000 | 4 Bed House76, Consort Street, Mountain Ash, CF45 3AU76, Consort Street, Mountain Ash, CF45 3AU
• Sold Sep 2025£142,000 | 4 Bed House33, Kingcraft Street, Mountain Ash, CF45 3LT33, Kingcraft Street, Mountain Ash, CF45 3LT
• Sold Mar 2025£86,000 | 3 Bed House23, Gwernifor Street, Mountain Ash, CF45 3NA23, Gwernifor Street, Mountain Ash, CF45 3NA
• Sold Oct 2024£130,000 | 4 Bed House23, Coplestone Street, Mountain Ash, CF45 3LY23, Coplestone Street, Mountain Ash, CF45 3LY
• Sold Apr 2023£140,000 | 4 Bed House1, Aberpennar Street, Mountain Ash, CF45 3LS1, Aberpennar Street, Mountain Ash, CF45 3LS
• Sold Nov 2022£120,000 | 3 Bed House8, Kingcraft Street, Mountain Ash, CF45 3LT8, Kingcraft Street, Mountain Ash, CF45 3LT
• Sold Jul 2022£124,000 | 4 Bed House16, Coplestone Street, Mountain Ash, CF45 3LY16, Coplestone Street, Mountain Ash, CF45 3LY
• Sold Apr 2022£93,000 | 4 Bed House10, Darran Road, Mountain Ash, CF45 3HT10, Darran Road, Mountain Ash, CF45 3HT
• Sold Apr 2022£145,000 | 4 Bed House19, Aberpennar Street, Mountain Ash, CF45 3LS19, Aberpennar Street, Mountain Ash, CF45 3LS
• Sold Feb 2022£138,000 | 4 Bed House36, Coplestone Street, Mountain Ash, CF45 3LY36, Coplestone Street, Mountain Ash, CF45 3LY
• Sold Sep 2021£145,000 | 3 Bed House28, Ceridwen Street, Mountain Ash, CF45 3LU28, Ceridwen Street, Mountain Ash, CF45 3LU
• Sold Sep 2021£129,950 | 4 Bed House17, Aberpennar Street, Mountain Ash, CF45 3LS17, Aberpennar Street, Mountain Ash, CF45 3LS
• Sold Jan 2020£100,000 | 4 Bed House32, Kingcraft Street, Mountain Ash, CF45 3LT32, Kingcraft Street, Mountain Ash, CF45 3LT
• Sold Dec 2017£102,000 | 4 Bed House31, Kingcraft Street, Mountain Ash, CF45 3LT31, Kingcraft Street, Mountain Ash, CF45 3LT
• Sold Jul 2017£111,000 | 4 Bed House25, Aberpennar Street, Mountain Ash, CF45 3LS25, Aberpennar Street, Mountain Ash, CF45 3LS
• Sold Sep 2015£92,000 | 3 Bed House12, Aberpennar Street, Mountain Ash, CF45 3LS12, Aberpennar Street, Mountain Ash, CF45 3LS
• Sold Dec 2012£109,950 | 4 Bed House18, Aberpennar Street, Mountain Ash, CF45 3LS18, Aberpennar Street, Mountain Ash, CF45 3LS
• Sold Oct 2010£85,000 | 4 Bed House11, Aberpennar Street, Mountain Ash, CF45 3LS11, Aberpennar Street, Mountain Ash, CF45 3LS

Aberpennar Street, Mountain Ash, CF45 has a total of 52 addresses. According to our analysis of all the public data, 38, Aberpennar Street, Mountain Ash is the 7th largest and the 7th most expensive property on the street.

When compared to the postcode district it is £9k less expensive than the average property in CF45.

• Mountain Ash

  |

  400 m away
• Fernhill

  |

  1.3 km away
• Penrhiwceiber

  |

  1.8 km away

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