51, The Avenue, Mountain Ash occupies a 252 m² plot as recorded by HM Land Registry.

All 34 other houses in this postcode have recorded plot sizes, and this one ranks as the 2nd largest.

51, The Avenue, Mountain Ash has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 19 Mar 2015.

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

Land Registry records and our Estate Agent network show 44 sales of comparable properties within 1.4 kilometres of 51, The Avenue, Mountain Ash since 2012.

Most recently, 19, Mostyn Street, Aberdare, CF44 6BA, a freehold house, sold at £137,000 on the 24th November 2025.

Read more about house prices in CF45.

• Sold Nov 2025£137,000 | 3 Bed House19, Mostyn Street, Aberdare, CF44 6BA19, Mostyn Street, Aberdare, CF44 6BA
• Sold Oct 2025£80,000 | 3 Bed House20, Bronallt Terrace, Aberdare, CF44 6BW20, Bronallt Terrace, Aberdare, CF44 6BW
• Sold Jun 2025£85,000 | 3 Bed House10, Commercial Street, Mountain Ash, CF45 3PS10, Commercial Street, Mountain Ash, CF45 3PS
• Sold Dec 2024£85,000 | 3 Bed House9, Bronallt Terrace, Aberdare, CF44 6BW9, Bronallt Terrace, Aberdare, CF44 6BW
• Sold Oct 2024£78,000 | 3 Bed House27, Bronallt Terrace, Aberdare, CF44 6BW27, Bronallt Terrace, Aberdare, CF44 6BW
• Sold Feb 2024£65,000 | 3 Bed House41, John Street, Aberdare, CF44 6BL41, John Street, Aberdare, CF44 6BL
• Sold Jan 2024£75,000 | 3 Bed House158, Fernhill, Mountain Ash, CF45 3EG158, Fernhill, Mountain Ash, CF45 3EG
• Sold Dec 2023£90,000 | 3 Bed House8, Bronallt Terrace, Aberdare, CF44 6BW8, Bronallt Terrace, Aberdare, CF44 6BW
• Sold Oct 2023£62,000 | 3 Bed House15, Bronallt Terrace, Aberdare, CF44 6BW15, Bronallt Terrace, Aberdare, CF44 6BW
• Sold Jun 2023£78,000 | 3 Bed House11, Blackberry Place, Mountain Ash, CF45 4EA11, Blackberry Place, Mountain Ash, CF45 4EA
• Sold Apr 2023£92,000 | 3 Bed House6, Commercial Street, Mountain Ash, CF45 3PS6, Commercial Street, Mountain Ash, CF45 3PS
• Sold Dec 2022£70,000 | 3 Bed House63, Fernhill, Mountain Ash, CF45 3EF63, Fernhill, Mountain Ash, CF45 3EF
• Sold Jun 2022£75,000 | 3 Bed House94, Fernhill, Mountain Ash, CF45 3EF94, Fernhill, Mountain Ash, CF45 3EF
• Sold Jun 2022£75,000 | 3 Bed House202, Fernhill, Mountain Ash, CF45 3EH202, Fernhill, Mountain Ash, CF45 3EH
• Sold May 2022£76,000 | 3 Bed House58, Fernhill, Mountain Ash, CF45 3EF58, Fernhill, Mountain Ash, CF45 3EF
• Sold Jan 2022£65,000 | 3 Bed House57, Fernhill, Mountain Ash, CF45 3EF57, Fernhill, Mountain Ash, CF45 3EF
• Sold Dec 2021£70,000 | 3 Bed House21, Bronallt Terrace, Aberdare, CF44 6BW21, Bronallt Terrace, Aberdare, CF44 6BW
• Sold Dec 2020£67,000 | 3 Bed House427, Fernhill, Mountain Ash, CF45 3EP427, Fernhill, Mountain Ash, CF45 3EP
• Sold Mar 2020£39,999 | 3 Bed House152, Fernhill, Mountain Ash, CF45 3EG152, Fernhill, Mountain Ash, CF45 3EG
• Sold Sep 2012£52,000 | 3 Bed House69, The Avenue, Mountain Ash, CF45 4DU69, The Avenue, Mountain Ash, CF45 4DU

Our analysis of the public data ranks 51, The Avenue, Mountain Ash as the 15th largest and the 45th most expensive of the 90 addresses on The Avenue, Mountain Ash, CF45.

Against the CF45 postcode district average, it is £69k less expensive than the typical property.

• Fernhill

  |

  900 m away
• Cwmbach

  |

  1.8 km away
• Mountain Ash

  |

  1.8 km away

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