HM Land Registry records the plot of land for 36, Mary Street, Mountain Ash as measuring 152 m².

That makes it the 19th largest plot in the postcode, where 40 of the 47 other houses have recorded plot data.

36, Mary Street, Mountain Ash has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 14 Mar 2025.

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 36, Mary Street, Mountain Ash completed on 4th December 2006 at £82,000 and was recorded by HM Land Registry as a freehold house.

Since 1995 the property has sold 3 times.

Since 2015 263 properties similar to 36, Mary Street, Mountain Ash have sold within a radius of 750 metres, per the Land Registry and our network of Estate Agents.

The latest, on the 29th January 2026, was 62, Cardiff Road, Mountain Ash, CF45 4HD, a freehold house which sold for £114,950.

Read more about house prices in CF45.

• Sold Jan 2026£114,950 | 3 Bed House62, Cardiff Road, Mountain Ash, CF45 4HD62, Cardiff Road, Mountain Ash, CF45 4HD
• Sold Nov 2025£122,000 | 3 Bed House13, Hughes Street, Mountain Ash, CF45 3UG13, Hughes Street, Mountain Ash, CF45 3UG
• Sold Oct 2025£112,000 | 3 Bed House32, Oakland Street, Mountain Ash, CF45 3AL32, Oakland Street, Mountain Ash, CF45 3AL
• Sold Mar 2025£110,000 | 3 Bed House36, Glyngwyn Street, Mountain Ash, CF45 3AF36, Glyngwyn Street, Mountain Ash, CF45 3AF
• Sold Jan 2025£95,000 | 3 Bed House47, Albert Street, Mountain Ash, CF45 3BA47, Albert Street, Mountain Ash, CF45 3BA
• Sold Sep 2024£110,000 | 3 Bed House17, Mary Street, Mountain Ash, CF45 4HH17, Mary Street, Mountain Ash, CF45 4HH
• Sold Aug 2024£137,500 | 3 Bed House27, Oakland Street, Mountain Ash, CF45 3AL27, Oakland Street, Mountain Ash, CF45 3AL
• Sold Aug 2024£112,000 | 3 Bed House17, Consort Street, Mountain Ash, CF45 3AY17, Consort Street, Mountain Ash, CF45 3AY
• Sold Jul 2024£126,000 | 3 Bed House45, Bailey Street, Mountain Ash, CF45 3AS45, Bailey Street, Mountain Ash, CF45 3AS
• Sold Nov 2023£125,000 | 3 Bed House58, Cardiff Road, Mountain Ash, CF45 4HD58, Cardiff Road, Mountain Ash, CF45 4HD
• Sold Nov 2023£127,500 | 3 Bed House14, Mary Street, Mountain Ash, CF45 4HH14, Mary Street, Mountain Ash, CF45 4HH
• Sold Jun 2023£45,000 | 3 Bed House60, Cardiff Road, Mountain Ash, CF45 4HD60, Cardiff Road, Mountain Ash, CF45 4HD
• Sold Oct 2022£80,000 | 3 Bed House31, Bailey Street, Mountain Ash, CF45 3AS31, Bailey Street, Mountain Ash, CF45 3AS
• Sold Nov 2020£74,000 | 3 Bed House72, Cardiff Road, Mountain Ash, CF45 4HD72, Cardiff Road, Mountain Ash, CF45 4HD
• Sold Oct 2020£82,000 | 3 Bed House27, Mary Street, Mountain Ash, CF45 4HH27, Mary Street, Mountain Ash, CF45 4HH
• Sold Feb 2020£66,000 | 3 Bed House12, Mary Street, Mountain Ash, CF45 4HH12, Mary Street, Mountain Ash, CF45 4HH
• Sold Feb 2020£75,000 | 3 Bed House35, Mary Street, Mountain Ash, CF45 4HH35, Mary Street, Mountain Ash, CF45 4HH
• Sold Jan 2019£70,000 | 3 Bed House13, Mary Street, Mountain Ash, CF45 4HH13, Mary Street, Mountain Ash, CF45 4HH
• Sold Jun 2018£45,000 | 3 Bed House20, Mary Street, Mountain Ash, CF45 4HH20, Mary Street, Mountain Ash, CF45 4HH
• Sold Dec 2015£44,500 | 3 Bed House31, Mary Street, Mountain Ash, CF45 4HH31, Mary Street, Mountain Ash, CF45 4HH

Of the 47 addresses on Mary Street, Mountain Ash, CF45, 36, Mary Street, Mountain Ash comes out as the 17th largest and the 18th most expensive in our analysis of the public data.

It is also £38k less expensive than the average property across the CF45 district.

• Mountain Ash

  |

  600 m away
• Penrhiwceiber

  |

  1.1 km away
• Fernhill

  |

  2.1 km away

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