HM Land Registry records the plot of land for 77, Glanlay Street, Mountain Ash as measuring 111 m².

That makes it the 2nd largest plot in the postcode, where 29 of the 38 other houses have recorded plot data.

77, Glanlay Street, Mountain Ash has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 29 Jan 2016.

The property is connected to mains gas and has some double glazing. It is heated using a boiler and radiators (mains gas, room heaters, mains gas).

The most recent sale of 77, Glanlay Street, Mountain Ash completed on 7th March 2017 at £69,995 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 119.8% over the period since March 2017.

• Sold Mar 2017£69,995
• Sold Nov 2004£63,950

Since 2019 160 properties similar to 77, Glanlay Street, Mountain Ash have sold within a radius of 1.0 kilometres, per the Land Registry and our network of Estate Agents.

The latest, on the 30th April 2026, was 74, Church Street, Mountain Ash, CF45 3YB, a freehold house which sold for £72,000.

Read more about house prices in CF45.

• Sold Apr 2026£72,000 | 3 Bed House74, Church Street, Mountain Ash, CF45 3YB74, Church Street, Mountain Ash, CF45 3YB
• Sold Mar 2026£127,500 | 3 Bed House3, Glanlay Street, Mountain Ash, CF45 3TL3, Glanlay Street, Mountain Ash, CF45 3TL
• Sold Nov 2025£155,000 | 3 Bed House60, Morris Avenue, Mountain Ash, CF45 3TW60, Morris Avenue, Mountain Ash, CF45 3TW
• Sold Oct 2025£115,000 | 3 Bed House30, Glanlay Street, Mountain Ash, CF45 3TL30, Glanlay Street, Mountain Ash, CF45 3TL
• Sold Apr 2025£48,000 | 3 Bed House75, Morris Avenue, Mountain Ash, CF45 3TW75, Morris Avenue, Mountain Ash, CF45 3TW
• Sold Mar 2025£90,000 | 3 Bed House59, Morris Avenue, Mountain Ash, CF45 3TW59, Morris Avenue, Mountain Ash, CF45 3TW
• Sold Mar 2025£82,500 | 3 Bed House3, Morris Avenue, Mountain Ash, CF45 3TW3, Morris Avenue, Mountain Ash, CF45 3TW
• Sold Sep 2024£105,000 | 3 Bed House35, Morris Avenue, Mountain Ash, CF45 3TW35, Morris Avenue, Mountain Ash, CF45 3TW
• Sold Sep 2024£99,000 | 3 Bed House65, Morris Avenue, Mountain Ash, CF45 3TW65, Morris Avenue, Mountain Ash, CF45 3TW
• Sold Sep 2024£70,000 | 3 Bed House84, Glanlay Street, Mountain Ash, CF45 3TN84, Glanlay Street, Mountain Ash, CF45 3TN
• Sold May 2024£90,000 | 3 Bed House59, Church Street, Mountain Ash, CF45 3YB59, Church Street, Mountain Ash, CF45 3YB
• Sold Mar 2024£70,000 | 3 Bed House49, Morris Avenue, Mountain Ash, CF45 3TW49, Morris Avenue, Mountain Ash, CF45 3TW
• Sold Nov 2023£53,000 | 3 Bed House36, Church Street, Mountain Ash, CF45 3YB36, Church Street, Mountain Ash, CF45 3YB
• Sold Aug 2022£102,500 | 3 Bed House14A, Rheola Street, Mountain Ash, CF45 3TA14A, Rheola Street, Mountain Ash, CF45 3TA
• Sold Jan 2021£67,000 | 3 Bed House70, Glanlay Street, Mountain Ash, CF45 3TN70, Glanlay Street, Mountain Ash, CF45 3TN
• Sold Oct 2020£74,000 | 3 Bed House73, Glanlay Street, Mountain Ash, CF45 3TN73, Glanlay Street, Mountain Ash, CF45 3TN
• Sold Sep 2020£97,500 | 3 Bed House87, Glanlay Street, Mountain Ash, CF45 3TN87, Glanlay Street, Mountain Ash, CF45 3TN
• Sold Feb 2020£80,000 | 3 Bed House37, Morris Avenue, Mountain Ash, CF45 3TW37, Morris Avenue, Mountain Ash, CF45 3TW
• Sold Aug 2019£64,000 | 3 Bed House72, Glanlay Street, Mountain Ash, CF45 3TN72, Glanlay Street, Mountain Ash, CF45 3TN
• Sold Mar 2019£77,000 | 3 Bed House85, Glanlay Street, Mountain Ash, CF45 3TN85, Glanlay Street, Mountain Ash, CF45 3TN

Of the 87 addresses on Glanlay Street, Mountain Ash, CF45, 77, Glanlay Street, Mountain Ash comes out as the 68th largest and the 80th most expensive in our analysis of the public data.

It is also £63k less expensive than the average property across the CF45 district.

• Penrhiwceiber

  |

  200 m away
• Mountain Ash

  |

  1.8 km away
• Merthyr Vale

  |

  2.6 km away

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