HM Land Registry records the plot of land for 33, The Avenue, Mountain Ash as measuring 223 m².

That makes it the 8th largest plot in the postcode, where 38 of the 41 other houses have recorded plot data.

33, The Avenue, Mountain Ash has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 18 Feb 2015.

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 33, The Avenue, Mountain Ash completed on 22nd December 2022 at £150,000 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 11.0% over the period since December 2022.

• Sold Dec 2022£150,000

Since 2009 106 properties similar to 33, The 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 17th December 2025, was 8, Woodland Terrace, Mountain Ash, CF45 3RF, a freehold house which sold for £95,000.

Read more about house prices in CF45.

• Sold Dec 2025£95,000 | 3 Bed House8, Woodland Terrace, Mountain Ash, CF45 3RF8, Woodland Terrace, Mountain Ash, CF45 3RF
• Sold Aug 2025£126,000 | 3 Bed House19, Beckett Street, Mountain Ash, CF45 4AW19, Beckett Street, Mountain Ash, CF45 4AW
• Sold Oct 2024£165,000 | 3 Bed House5, High Row, Mountain Ash, CF45 4DW5, High Row, Mountain Ash, CF45 4DW
• Sold Feb 2024£153,000 | 3 Bed House17, Toncoch Terrace, Mountain Ash, CF45 4DY17, Toncoch Terrace, Mountain Ash, CF45 4DY
• Sold May 2023£85,000 | 3 Bed House12, Toncoch Terrace, Mountain Ash, CF45 4DY12, Toncoch Terrace, Mountain Ash, CF45 4DY
• Sold Dec 2022£88,000 | 3 Bed House28, Toncoch Terrace, Mountain Ash, CF45 4DY28, Toncoch Terrace, Mountain Ash, CF45 4DY
• Sold Sep 2022£150,000 | 3 Bed House23, Toncoch Terrace, Mountain Ash, CF45 4DY23, Toncoch Terrace, Mountain Ash, CF45 4DY
• Sold Apr 2022£120,000 | 3 Bed House11, Greenfield Terrace, Mountain Ash, CF45 4EB11, Greenfield Terrace, Mountain Ash, CF45 4EB
• Sold Dec 2020£100,000 | 3 Bed House6, Middle Row, Mountain Ash, CF45 4DN6, Middle Row, Mountain Ash, CF45 4DN
• Sold Sep 2020£114,995 | 3 Bed House42, Maeshyfryd, Aberdare, CF44 0DN42, Maeshyfryd, Aberdare, CF44 0DN
• Sold Dec 2019£64,000 | 3 Bed House16, Greenfield Terrace, Mountain Ash, CF45 4EB16, Greenfield Terrace, Mountain Ash, CF45 4EB
• Sold Jan 2019£63,000 | 3 Bed House25, The Avenue, Mountain Ash, CF45 4DT25, The Avenue, Mountain Ash, CF45 4DT
• Sold Apr 2018£92,000 | 3 Bed House27, Toncoch Terrace, Mountain Ash, CF45 4DY27, Toncoch Terrace, Mountain Ash, CF45 4DY
• Sold Sep 2017£75,000 | 3 Bed House3, Toncoch Terrace, Mountain Ash, CF45 4DY3, Toncoch Terrace, Mountain Ash, CF45 4DY
• Sold Dec 2016£70,000 | 3 Bed House2, Toncoch Terrace, Mountain Ash, CF45 4DY2, Toncoch Terrace, Mountain Ash, CF45 4DY
• Sold Oct 2013£70,000 | 3 Bed House26, Toncoch Terrace, Mountain Ash, CF45 4DY26, Toncoch Terrace, Mountain Ash, CF45 4DY
• Sold Apr 2012£85,000 | 3 Bed House16, Toncoch Terrace, Mountain Ash, CF45 4DY16, Toncoch Terrace, Mountain Ash, CF45 4DY
• Sold Mar 2012£83,000 | 3 Bed House18, Toncoch Terrace, Mountain Ash, CF45 4DY18, Toncoch Terrace, Mountain Ash, CF45 4DY
• Sold Jun 2011£40,000 | 3 Bed House21, The Avenue, Mountain Ash, CF45 4DT21, The Avenue, Mountain Ash, CF45 4DT
• Sold Nov 2009£85,000 | 3 Bed House30, Toncoch Terrace, Mountain Ash, CF45 4DY30, Toncoch Terrace, Mountain Ash, CF45 4DY

Of the 90 addresses on The Avenue, Mountain Ash, CF45, 33, The Avenue, Mountain Ash comes out as the 12th largest and the 6th most expensive in our analysis of the public data.

It is also £13k less expensive than the average property across the CF45 district.

• Fernhill

  |

  900 m away
• Cwmbach

  |

  1.7 km away
• Mountain Ash

  |

  1.8 km away

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