10, Glancynon Street, Mountain Ash occupies a 139 m² plot as recorded by HM Land Registry.

Of the 25 other houses in this postcode, 20 have recorded plot sizes, and this one ranks as the 13th largest.

10, Glancynon Street, Mountain Ash has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 27 Aug 2021.

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

10, Glancynon Street, Mountain Ash last changed hands on 12th January 2005, selling for £39,500. The transaction was logged as a leasehold house by HM Land Registry.

That is its only recorded sale since 1995.

• Sold Jan 2005£39,500

Land Registry records and our Estate Agent network show 108 sales of comparable properties within 630 metres of 10, Glancynon Street, Mountain Ash since 2019.

Most recently, 38, Harcourt Terrace, Mountain Ash, CF45 3SD, a freehold house, sold at £97,000 on the 12th January 2026.

Read more about house prices in CF45.

• Sold Jan 2026£97,000 | 3 Bed House38, Harcourt Terrace, Mountain Ash, CF45 3SD38, Harcourt Terrace, Mountain Ash, CF45 3SD
• Sold Nov 2025£53,000 | 3 Bed House110, Penrhiwceiber Road, Mountain Ash, CF45 3SL110, Penrhiwceiber Road, Mountain Ash, CF45 3SL
• Sold Aug 2025£50,000 | 3 Bed House47, Victoria Street, Mountain Ash, CF45 3AP47, Victoria Street, Mountain Ash, CF45 3AP
• Sold Jul 2025£95,000 | 3 Bed House38, Albert Street, Mountain Ash, CF45 3BA38, Albert Street, Mountain Ash, CF45 3BA
• Sold Jun 2025£66,000 | 3 Bed House40B, Glyngwyn Street, Mountain Ash, CF45 3AF40B, Glyngwyn Street, Mountain Ash, CF45 3AF
• Sold May 2025£101,000 | 3 Bed House40, Arthur Street, Mountain Ash, CF45 3BL40, Arthur Street, Mountain Ash, CF45 3BL
• Sold May 2025£103,000 | 3 Bed House15, Albany Street, Mountain Ash, CF45 3BE15, Albany Street, Mountain Ash, CF45 3BE
• Sold Apr 2025£72,000 | 3 Bed House16, Albert Street, Mountain Ash, CF45 3BA16, Albert Street, Mountain Ash, CF45 3BA
• Sold Feb 2025£92,750 | 3 Bed House19, Harcourt Terrace, Mountain Ash, CF45 3SD19, Harcourt Terrace, Mountain Ash, CF45 3SD
• Sold Nov 2024£85,000 | 3 Bed House3, Mount Pleasant Terrace, Mountain Ash, CF45 3AN3, Mount Pleasant Terrace, Mountain Ash, CF45 3AN
• Sold Sep 2024£81,000 | 3 Bed House34, Glyngwyn Street, Mountain Ash, CF45 3AF34, Glyngwyn Street, Mountain Ash, CF45 3AF
• Sold Jul 2024£75,000 | 3 Bed House12, Hughes Street, Mountain Ash, CF45 3UG12, Hughes Street, Mountain Ash, CF45 3UG
• Sold Jul 2024£108,000 | 3 Bed House41, Arthur Street, Mountain Ash, CF45 3BL41, Arthur Street, Mountain Ash, CF45 3BL
• Sold Jun 2023£67,000 | 3 Bed House6, Morgan Street, Mountain Ash, CF45 3YN6, Morgan Street, Mountain Ash, CF45 3YN
• Sold May 2023£96,950 | 3 Bed House22, Oakland Street, Mountain Ash, CF45 3AL22, Oakland Street, Mountain Ash, CF45 3AL
• Sold Feb 2022£95,000 | 3 Bed House28, Thomas Street, Mountain Ash, CF45 3BU28, Thomas Street, Mountain Ash, CF45 3BU
• Sold Jun 2021£70,000 | 3 Bed House2, Consort Street, Mountain Ash, CF45 3AY2, Consort Street, Mountain Ash, CF45 3AY
• Sold May 2021£87,000 | 3 Bed House8, Thomas Street, Mountain Ash, CF45 3BU8, Thomas Street, Mountain Ash, CF45 3BU
• Sold Nov 2019£79,000 | 3 Bed House14, Harcourt Terrace, Mountain Ash, CF45 3SD14, Harcourt Terrace, Mountain Ash, CF45 3SD
• Sold Mar 2019£50,000 | 3 Bed House11, Arthur Street, Mountain Ash, CF45 3BL11, Arthur Street, Mountain Ash, CF45 3BL

Our analysis of the public data ranks 10, Glancynon Street, Mountain Ash as the 24th largest and the 24th most expensive of the 28 addresses on Glancynon Street, Mountain Ash, CF45.

Against the CF45 postcode district average, it is £49k less expensive than the typical property.

• Mountain Ash

  |

  900 m away
• Penrhiwceiber

  |

  900 m away
• Fernhill

  |

  2.2 km away

Environment Agency data suggests this area has a Very Low risk of flooding.