HM Land Registry records the plot of land for 31, Gladstone Street, Mountain Ash as measuring 142 m².

That makes it the 14th largest plot in the postcode, where 27 of the 34 other houses have recorded plot data.

31, Gladstone Street, Mountain Ash has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 12 Feb 2021.

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

Since 2017 91 properties similar to 31, Gladstone Street, Mountain Ash have sold within a radius of 640 metres, per the Land Registry and our network of Estate Agents.

The latest, on the 27th February 2026, was 28, Gladstone Street, Mountain Ash, CF45 3BT, a freehold house which sold for £74,500.

Read more about house prices in CF45.

• 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 Jul 2025£63,000 | 3 Bed House44, Park Street, Mountain Ash, CF45 3YL44, 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 Dec 2024£63,000 | 3 Bed House17, Gladstone Street, Mountain Ash, CF45 3BT17, Gladstone Street, Mountain Ash, CF45 3BT
• Sold Oct 2024£80,000 | 3 Bed House186, Penrhiwceiber Road, Mountain Ash, CF45 3SH186, Penrhiwceiber Road, Mountain Ash, CF45 3SH
• Sold Oct 2024£117,500 | 3 Bed House89, Woodfield Terrace, Mountain Ash, CF45 3YA89, Woodfield Terrace, Mountain Ash, CF45 3YA
• Sold Sep 2024£103,000 | 3 Bed House18, Park Street, Mountain Ash, CF45 3YL18, Park Street, Mountain Ash, CF45 3YL
• Sold Sep 2023£117,950 | 3 Bed House81, Park Street, Mountain Ash, CF45 3YW81, Park Street, Mountain Ash, CF45 3YW
• 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 Jun 2023£74,000 | 3 Bed House67, Park Street, Mountain Ash, CF45 3YW67, Park Street, Mountain Ash, CF45 3YW
• 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 Dec 2022£70,000 | 3 Bed House63, Ty'R Felin Street, Mountain Ash, CF45 3YP63, Ty'R Felin Street, Mountain Ash, CF45 3YP
• 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 Sep 2019£39,900 | 3 Bed House4, Gladstone Street, Mountain Ash, CF45 3BT4, Gladstone Street, Mountain Ash, CF45 3BT
• Sold Jul 2017£75,000 | 3 Bed House27, Gladstone Street, Mountain Ash, CF45 3BT27, Gladstone Street, Mountain Ash, CF45 3BT

Of the 34 addresses on Gladstone Street, Mountain Ash, CF45, 31, Gladstone Street, Mountain Ash comes out as the 7th largest and the 8th most expensive in our analysis of the public data.

It is also £80k 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.