HM Land Registry records the plot of land for 46, Glanlay Street, Mountain Ash as measuring 97 m².

That makes it the 42nd largest plot in the postcode, where 44 of the 49 other houses have recorded plot data.

46, Glanlay Street, Mountain Ash has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 01 Jun 2009.

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 46, Glanlay Street, Mountain Ash completed on 23rd November 2012 at £52,000 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 142.4% over the period since November 2012.

• Sold Nov 2012£52,000

Since 2015 157 properties similar to 46, 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 5th February 2026, was 11, Glanlay Street, Mountain Ash, CF45 3TL, a freehold house which sold for £95,000.

Read more about house prices in CF45.

• Sold Feb 2026£95,000 | 3 Bed House11, Glanlay Street, Mountain Ash, CF45 3TL11, Glanlay Street, Mountain Ash, CF45 3TL
• Sold Nov 2025£135,000 | 3 Bed House9, Cynon Terrace, Mountain Ash, CF45 3SU9, Cynon Terrace, Mountain Ash, CF45 3SU
• Sold Jun 2025£132,500 | 3 Bed House61, Harcourt Terrace, Mountain Ash, CF45 3SD61, Harcourt Terrace, Mountain Ash, CF45 3SD
• Sold May 2025£69,000 | 3 Bed House11, Morris Avenue, Mountain Ash, CF45 3TW11, Morris Avenue, Mountain Ash, CF45 3TW
• Sold Feb 2025£85,000 | 3 Bed House15, Station Terrace, Mountain Ash, CF45 3SS15, Station Terrace, Mountain Ash, CF45 3SS
• Sold Aug 2024£125,000 | 3 Bed House2, Cynon Terrace, Mountain Ash, CF45 3SU2, Cynon Terrace, Mountain Ash, CF45 3SU
• Sold Jul 2024£64,000 | 3 Bed House31, Rheola Street, Mountain Ash, CF45 3TB31, Rheola Street, Mountain Ash, CF45 3TB
• Sold Jul 2024£118,000 | 3 Bed House64, Morris Avenue, Mountain Ash, CF45 3TW64, Morris Avenue, Mountain Ash, CF45 3TW
• Sold Feb 2024£105,000 | 3 Bed House67, Morris Avenue, Mountain Ash, CF45 3TW67, Morris Avenue, Mountain Ash, CF45 3TW
• Sold Jan 2024£125,000 | 3 Bed House65, Penrhiwceiber Road, Mountain Ash, CF45 3SN65, Penrhiwceiber Road, Mountain Ash, CF45 3SN
• Sold Dec 2023£118,000 | 3 Bed House45, Rheola Street, Mountain Ash, CF45 3TB45, Rheola Street, Mountain Ash, CF45 3TB
• Sold Oct 2022£98,000 | 3 Bed House49, Penrhiwceiber Road, Mountain Ash, CF45 3SN49, Penrhiwceiber Road, Mountain Ash, CF45 3SN
• Sold Nov 2021£97,000 | 3 Bed House37, Rheola Street, Mountain Ash, CF45 3TB37, Rheola Street, Mountain Ash, CF45 3TB
• Sold Apr 2021£87,000 | 3 Bed House23, Morris Avenue, Mountain Ash, CF45 3TW23, Morris Avenue, Mountain Ash, CF45 3TW
• Sold Jul 2020£84,000 | 3 Bed House52, Glanlay Street, Mountain Ash, CF45 3TN52, Glanlay Street, Mountain Ash, CF45 3TN
• Sold Jul 2020£55,000 | 3 Bed House5, Morris Avenue, Mountain Ash, CF45 3TW5, Morris Avenue, Mountain Ash, CF45 3TW
• Sold Jun 2020£39,000 | 3 Bed House14, Cynon Terrace, Mountain Ash, CF45 3SU14, Cynon Terrace, Mountain Ash, CF45 3SU
• Sold Jun 2018£66,500 | 3 Bed House48, Rheola Street, Mountain Ash, CF45 3TB48, Rheola Street, Mountain Ash, CF45 3TB
• Sold Jul 2015£80,000 | 3 Bed House43, Glanlay Street, Mountain Ash, CF45 3TL43, Glanlay Street, Mountain Ash, CF45 3TL
• Sold Jan 2015£40,000 | 3 Bed House33, Rheola Street, Mountain Ash, CF45 3TB33, Rheola Street, Mountain Ash, CF45 3TB

Of the 87 addresses on Glanlay Street, Mountain Ash, CF45, 46, Glanlay Street, Mountain Ash comes out as the 7th largest and the 6th most expensive in our analysis of the public data.

It is also £29k less expensive than the average property across the CF45 district.

• Penrhiwceiber

  |

  300 m away
• Mountain Ash

  |

  1.9 km away
• Merthyr Vale

  |

  2.7 km away

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