HM Land Registry records the plot of land for 24, Pentwyn Avenue, Mountain Ash as measuring 187 m².

That makes it the 27th largest plot in the postcode, where 41 of the 45 other houses have recorded plot data.

24, Pentwyn Avenue, Mountain Ash has an Energy Performance Rating (EPC) of E. This is based on the most recent assessment, dated 23 Sep 2017.

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 24, Pentwyn Avenue, Mountain Ash completed on 22nd November 2017 at £70,000 and was recorded by HM Land Registry as a freehold house.

Since 1995 the property has sold twice.

Values of comparable properties have risen by 162.5% over the period since November 2017.

• Sold Nov 2017£70,000
• Sold Aug 2007£85,000

Since 2007 162 properties similar to 24, Pentwyn Avenue, Mountain Ash have sold within a radius of 1.4 kilometres, per the Land Registry and our network of Estate Agents.

The latest, on the 19th June 2026, was 52, Pentwyn Avenue, Mountain Ash, CF45 4YF, a freehold house which sold for £30,000.

Read more about house prices in CF45.

• Sold Jun 2026£30,000 | 3 Bed House52, Pentwyn Avenue, Mountain Ash, CF45 4YF52, Pentwyn Avenue, Mountain Ash, CF45 4YF
• Sold Apr 2026£83,000 | 3 Bed House10, Pentwyn Avenue, Mountain Ash, CF45 4YF10, Pentwyn Avenue, Mountain Ash, CF45 4YF
• Sold Mar 2026£150,000 | 3 Bed House32, Rheola Street, Mountain Ash, CF45 3TB32, Rheola Street, Mountain Ash, CF45 3TB
• Sold Mar 2026£147,000 | 3 Bed House92, Pentwyn Avenue, Mountain Ash, CF45 4YF92, Pentwyn Avenue, Mountain Ash, CF45 4YF
• Sold Feb 2026£95,000 | 3 Bed House11, Glanlay Street, Mountain Ash, CF45 3TL11, Glanlay Street, Mountain Ash, CF45 3TL
• Sold Nov 2025£135,000 | 3 Bed House9, Cynon Terrace, Mountain Ash, CF45 3SU9, Cynon Terrace, Mountain Ash, CF45 3SU
• Sold May 2025£69,000 | 3 Bed House11, Morris Avenue, Mountain Ash, CF45 3TW11, Morris Avenue, Mountain Ash, CF45 3TW
• Sold Dec 2024£100,000 | 3 Bed House7, Halswell Street, Mountain Ash, CF45 4YN7, Halswell Street, Mountain Ash, CF45 4YN
• Sold Nov 2024£80,000 | 3 Bed House60, Pentwyn Avenue, Mountain Ash, CF45 4YF60, Pentwyn Avenue, Mountain Ash, CF45 4YF
• Sold Oct 2024£115,000 | 3 Bed House74, Pentwyn Avenue, Mountain Ash, CF45 4YF74, Pentwyn Avenue, Mountain Ash, CF45 4YF
• Sold Sep 2024£70,000 | 3 Bed House15, Milbourne Street, Mountain Ash, CF45 4YL15, Milbourne Street, Mountain Ash, CF45 4YL
• Sold Aug 2024£125,000 | 3 Bed House2, Cynon Terrace, Mountain Ash, CF45 3SU2, Cynon Terrace, Mountain Ash, CF45 3SU
• Sold Jul 2024£64,000 | 3 Bed House31, Rheola Street, Mountain Ash, CF45 3TB31, Rheola Street, Mountain Ash, CF45 3TB
• Sold Apr 2021£98,000 | 3 Bed House66, Pentwyn Avenue, Mountain Ash, CF45 4YF66, Pentwyn Avenue, Mountain Ash, CF45 4YF
• Sold Mar 2021£75,000 | 3 Bed House56, Pentwyn Avenue, Mountain Ash, CF45 4YF56, Pentwyn Avenue, Mountain Ash, CF45 4YF
• Sold Sep 2019£52,000 | 3 Bed House25, Milbourne Street, Mountain Ash, CF45 4YL25, Milbourne Street, Mountain Ash, CF45 4YL
• Sold Apr 2014£50,000 | 3 Bed House80, Pentwyn Avenue, Mountain Ash, CF45 4YF80, Pentwyn Avenue, Mountain Ash, CF45 4YF
• Sold Feb 2014£42,500 | 3 Bed House82, Pentwyn Avenue, Mountain Ash, CF45 4YF82, Pentwyn Avenue, Mountain Ash, CF45 4YF
• Sold Dec 2011£65,000 | 3 Bed House6, Pentwyn Avenue, Mountain Ash, CF45 4YF6, Pentwyn Avenue, Mountain Ash, CF45 4YF
• Sold Jun 2007£58,000 | 3 Bed House72, Pentwyn Avenue, Mountain Ash, CF45 4YF72, Pentwyn Avenue, Mountain Ash, CF45 4YF

Of the 111 addresses on Pentwyn Avenue, Mountain Ash, CF45, 24, Pentwyn Avenue, Mountain Ash comes out as the 54th largest and the 30th most expensive in our analysis of the public data.

It is also £33k less expensive than the average property across the CF45 district.

• Penrhiwceiber

  |

  1.0 km away
• Quakers Yard

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  2.2 km away
• Mountain Ash

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  2.7 km away

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