4, Glenboi, Mountain Ash occupies a 431 m² plot as recorded by HM Land Registry.

Of the 44 other houses in this postcode, 30 have recorded plot sizes, and this one ranks as the 14th largest.

4, Glenboi, Mountain Ash has an Energy Performance Rating (EPC) of E. This is based on the most recent assessment, dated 29 Jan 2024.

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

Land Registry records and our Estate Agent network show 21 sales of comparable properties within 1.1 kilometres of 4, Glenboi, Mountain Ash since 2007.

Most recently, Brynteg, High Street, Mountain Ash, CF45 3PB, a freehold house, sold at £275,000 on the 12th February 2026.

Read more about house prices in CF45.

• Sold Feb 2026£275,000 | 4 Bed HouseBrynteg, High Street, Mountain Ash, CF45 3PBBrynteg, High Street, Mountain Ash, CF45 3PB
• Sold Jul 2025£220,000 | 4 Bed HouseGreenala, Heol Penrhiw, Mountain Ash, CF45 4DSGreenala, Heol Penrhiw, Mountain Ash, CF45 4DS
• Sold Jun 2025£299,950 | 4 Bed House1, Low Row, Mountain Ash, CF45 4DL1, Low Row, Mountain Ash, CF45 4DL
• Sold Jul 2024£100,000 | 4 Bed House3, Trem Y Dyffryn, Mountain Ash, CF45 4AQ3, Trem Y Dyffryn, Mountain Ash, CF45 4AQ
• Sold Oct 2023£225,000 | 4 Bed House58, Forest View, Mountain Ash, CF45 3DU58, Forest View, Mountain Ash, CF45 3DU
• Sold Oct 2023£272,500 | 4 Bed House1, Middle Row, Mountain Ash, CF45 4DN1, Middle Row, Mountain Ash, CF45 4DN
• Sold Nov 2022£146,950 | 4 Bed HouseFrondeg, High Street, Mountain Ash, CF45 3PBFrondeg, High Street, Mountain Ash, CF45 3PB
• Sold Aug 2022£300,000 | 4 Bed House10, Clos Afon, Aberdare, CF44 6BF10, Clos Afon, Aberdare, CF44 6BF
• Sold Apr 2022£262,000 | 4 Bed House41, Forest View, Mountain Ash, CF45 3DU41, Forest View, Mountain Ash, CF45 3DU
• Sold Jun 2021£98,000 | 4 Bed House2 Brynderwen Villas, Aberdare Road, Mountain Ash, CF45 3PU2 Brynderwen Villas, Aberdare Road, Mountain Ash, CF45 3PU
• Sold Dec 2020£206,000 | 4 Bed House10, Cwm Alarch, Mountain Ash, CF45 3DR10, Cwm Alarch, Mountain Ash, CF45 3DR
• Sold Aug 2020£199,995 | 4 Bed House1 Brynderwen Villas, Aberdare Road, Mountain Ash, CF45 3PU1 Brynderwen Villas, Aberdare Road, Mountain Ash, CF45 3PU
• Sold Dec 2019£255,000 | 4 Bed House31, Glenboi, Mountain Ash, CF45 3DG31, Glenboi, Mountain Ash, CF45 3DG
• Sold Jul 2019£236,000 | 4 Bed House13, Trem Y Dyffryn, Mountain Ash, CF45 4AQ13, Trem Y Dyffryn, Mountain Ash, CF45 4AQ
• Sold Jan 2019£165,000 | 4 Bed House28, Forest View, Mountain Ash, CF45 3DU28, Forest View, Mountain Ash, CF45 3DU
• Sold Nov 2018£192,000 | 4 Bed HouseBryn Myfyr, Cadwaladr Street, Mountain Ash, CF45 3RDBryn Myfyr, Cadwaladr Street, Mountain Ash, CF45 3RD
• Sold Jun 2016£165,000 | 4 Bed House17A, Glenboi, Mountain Ash, CF45 3DG17A, Glenboi, Mountain Ash, CF45 3DG
• Sold Sep 2014£167,000 | 4 Bed House9, Glenboi, Mountain Ash, CF45 3DG9, Glenboi, Mountain Ash, CF45 3DG
• Sold Mar 2007£139,950 | 4 Bed House15, Trem Y Dyffryn, Mountain Ash, CF45 4AQ15, Trem Y Dyffryn, Mountain Ash, CF45 4AQ
• Sold Mar 2007£149,950 | 4 Bed House12, Trem Y Dyffryn, Mountain Ash, CF45 4AQ12, Trem Y Dyffryn, Mountain Ash, CF45 4AQ

Our analysis of the public data ranks 4, Glenboi, Mountain Ash as the 7th largest and the 9th most expensive of the 48 addresses on Glenboi, Mountain Ash, CF45.

Against the CF45 postcode district average, it is £132k more expensive than the typical property.

• Fernhill

  |

  100 m away
• Mountain Ash

  |

  1.5 km away
• Cwmbach

  |

  2.1 km away

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