HM Land Registry records the plot of land for 17, Gladstone Street, Mountain Ash as measuring 145 m².

That makes it the 11th largest plot in the postcode, where 27 of the 34 other houses have recorded plot data.

17, Gladstone Street, Mountain Ash has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 24 Aug 2022.

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 17, Gladstone Street, Mountain Ash completed on 5th December 2024 at £63,000 and was recorded by HM Land Registry as a leasehold house.

Since 1995 this is the property's only sale.

Values of comparable properties have risen by 25.7% over the period since December 2024.

• Sold Dec 2024£63,000

Since 2019 87 properties similar to 17, Gladstone Street, Mountain Ash have sold within a radius of 650 metres, per the Land Registry and our network of Estate Agents.

The latest, on the 3rd March 2026, was 148, Penrhiwceiber Road, Mountain Ash, CF45 3SH, a freehold house which sold for £75,000.

Read more about house prices in CF45.

• Sold Mar 2026£75,000 | 3 Bed House148, Penrhiwceiber Road, Mountain Ash, CF45 3SH148, Penrhiwceiber Road, Mountain Ash, CF45 3SH
• Sold Feb 2026£74,500 | 3 Bed House28, Gladstone Street, Mountain Ash, CF45 3BT28, Gladstone Street, Mountain Ash, CF45 3BT
• Sold Nov 2025£116,000 | 3 Bed House55, Park Street, Mountain Ash, CF45 3YW55, Park Street, Mountain Ash, CF45 3YW
• Sold Nov 2025£75,000 | 3 Bed House28, Park Street, Mountain Ash, CF45 3YL28, Park Street, Mountain Ash, CF45 3YL
• Sold Aug 2025£75,000 | 3 Bed House13, Ty'R Felin Street, Mountain Ash, CF45 3YP13, Ty'R Felin Street, Mountain Ash, CF45 3YP
• Sold Jul 2025£63,000 | 3 Bed House44, Park Street, Mountain Ash, CF45 3YL44, Park Street, Mountain Ash, CF45 3YL
• Sold Jun 2025£130,000 | 3 Bed House88, Park Street, Mountain Ash, CF45 3YL88, Park Street, Mountain Ash, CF45 3YL
• Sold Jun 2025£88,000 | 3 Bed House1, Victoria Street, Mountain Ash, CF45 3AW1, Victoria Street, Mountain Ash, CF45 3AW
• Sold Jun 2025£80,000 | 3 Bed House57, Ty'R Felin Street, Mountain Ash, CF45 3YP57, Ty'R Felin Street, Mountain Ash, CF45 3YP
• Sold Nov 2024£85,000 | 3 Bed House30, Park Street, Mountain Ash, CF45 3YL30, Park Street, Mountain Ash, CF45 3YL
• Sold Sep 2024£103,000 | 3 Bed House18, Park Street, Mountain Ash, CF45 3YL18, Park Street, Mountain Ash, CF45 3YL
• Sold May 2024£84,500 | 3 Bed House20, Park Street, Mountain Ash, CF45 3YL20, Park Street, Mountain Ash, CF45 3YL
• Sold Sep 2023£70,000 | 3 Bed House68, Park Street, Mountain Ash, CF45 3YL68, Park Street, Mountain Ash, CF45 3YL
• Sold Jul 2023£39,000 | 3 Bed House29, Ty'R Felin Street, Mountain Ash, CF45 3YP29, Ty'R Felin Street, Mountain Ash, CF45 3YP
• Sold Mar 2023£72,000 | 3 Bed House72, Park Street, Mountain Ash, CF45 3YL72, Park Street, Mountain Ash, CF45 3YL
• Sold Feb 2023£38,000 | 3 Bed House46, Park Street, Mountain Ash, CF45 3YL46, Park Street, Mountain Ash, CF45 3YL
• Sold Sep 2022£68,500 | 3 Bed House49, Park Street, Mountain Ash, CF45 3YW49, Park Street, Mountain Ash, CF45 3YW
• Sold Jun 2022£95,000 | 3 Bed House3, Ty'R Felin Street, Mountain Ash, CF45 3YP3, Ty'R Felin Street, Mountain Ash, CF45 3YP
• Sold Mar 2021£39,000 | 3 Bed House71, Ty'R Felin Street, Mountain Ash, CF45 3YP71, Ty'R Felin Street, Mountain Ash, CF45 3YP
• Sold Sep 2019£39,900 | 3 Bed House4, Gladstone Street, Mountain Ash, CF45 3BT4, Gladstone Street, Mountain Ash, CF45 3BT

Of the 34 addresses on Gladstone Street, Mountain Ash, CF45, 17, Gladstone Street, Mountain Ash comes out as the 12th largest and the 12th most expensive in our analysis of the public data.

It is also £82k less expensive than the average property across the CF45 district.

• Mountain Ash

  |

  900 m away
• Penrhiwceiber

  |

  1.0 km away
• Fernhill

  |

  2.2 km away

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