According to data from HM Land Registry, 87, Glanlay Street, Mountain Ash sits on a plot of 84 m².

We have plot size data on 29 out of 38 other houses in the postcode and 87, Glanlay Street, Mountain Ash sits on the 27th largest plot.

87, Glanlay Street, Mountain Ash has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 01 Dec 2015.

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

According to HM Land Registry, 87, Glanlay Street, Mountain Ash was last sold on 25th September 2020 for £97,500 and was recorded as a freehold house.

The property has had 4 sales since 1995.

Since September 2020, the market for similar properties has risen by 79.6%.

• Sold Sep 2020£97,500
• Sold Sep 2018£71,000
• Sold Aug 2014£32,000

According to the Land Registry and our network of Estate Agents, there have been 265 sales of properties similar to 87, Glanlay Street, Mountain Ash within a radius of 980 metres since 2020.

The most recent example is 60, Morris Avenue, Mountain Ash, CF45 3TW, a freehold house which sold for £155,000 on the 7th November 2025.

Read more about house prices in CF45.

• 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 Oct 2025£79,950 | 3 Bed House27, Station Terrace, Mountain Ash, CF45 3SS27, Station Terrace, Mountain Ash, CF45 3SS
• Sold Sep 2025£126,000 | 3 Bed House16, Station Terrace, Mountain Ash, CF45 3SS16, Station Terrace, Mountain Ash, CF45 3SS
• Sold May 2025£98,000 | 3 Bed House1, Morris Avenue, Mountain Ash, CF45 3TW1, Morris Avenue, Mountain Ash, CF45 3TW
• Sold Apr 2025£48,000 | 3 Bed House75, Morris Avenue, Mountain Ash, CF45 3TW75, 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 Feb 2025£150,000 | 3 Bed House39, Glanlay Street, Mountain Ash, CF45 3TL39, Glanlay Street, Mountain Ash, CF45 3TL
• Sold Dec 2024£75,000 | 3 Bed House53, Morris Avenue, Mountain Ash, CF45 3TW53, Morris Avenue, Mountain Ash, CF45 3TW
• Sold Nov 2024£90,000 | 3 Bed House15, Rheola Street, Mountain Ash, CF45 3TA15, Rheola Street, Mountain Ash, CF45 3TA
• 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 Mar 2024£70,000 | 3 Bed House49, Morris Avenue, Mountain Ash, CF45 3TW49, Morris Avenue, Mountain Ash, CF45 3TW
• Sold Mar 2024£57,000 | 3 Bed House12, Rheola Street, Mountain Ash, CF45 3TA12, Rheola Street, Mountain Ash, CF45 3TA
• Sold Jul 2022£60,000 | 3 Bed House54, Morris Avenue, Mountain Ash, CF45 3TW54, Morris Avenue, Mountain Ash, CF45 3TW
• Sold Jan 2022£100,000 | 3 Bed House21, Station Terrace, Mountain Ash, CF45 3SS21, Station Terrace, Mountain Ash, CF45 3SS
• Sold Dec 2021£62,000 | 3 Bed House8, Station Terrace, Mountain Ash, CF45 3SS8, Station Terrace, Mountain Ash, CF45 3SS
• Sold Oct 2021£89,950 | 3 Bed House19, Rheola Street, Mountain Ash, CF45 3TA19, Rheola Street, Mountain Ash, CF45 3TA
• Sold Oct 2020£74,000 | 3 Bed House73, Glanlay Street, Mountain Ash, CF45 3TN73, Glanlay Street, Mountain Ash, CF45 3TN

Glanlay Street, Mountain Ash, CF45 has a total of 87 addresses. According to our analysis of all the public data, 87, Glanlay Street, Mountain Ash is the 31st largest and the 56th most expensive property on the street.

When compared to the postcode district it is £57k less expensive than the average property in CF45.

• Penrhiwceiber

  |

  200 m away
• Mountain Ash

  |

  1.8 km away
• Merthyr Vale

  |

  2.6 km away

According to data from the Environment Agency, the flood risk in this area is considered to be Very Low.