According to data from HM Land Registry, 26, Glenboi, Mountain Ash sits on a plot of 402 m².

We have plot size data on 30 out of 44 other houses in the postcode and 26, Glenboi, Mountain Ash sits on the 17th largest plot.

26, Glenboi, Mountain Ash has an Energy Performance Rating (EPC) of E. This is based on the most recent assessment, dated 10 Jun 2015.

The property is connected to mains gas and has mostly double glazing. It is heated using a boiler and radiators (mains gas).

According to HM Land Registry, 26, Glenboi, Mountain Ash was last sold on 4th November 2015 for £100,000 and was recorded as a freehold house.

The property has only had this single sale since 1995.

Since November 2015, the market for similar properties has risen by 181.6%.

• Sold Nov 2015£100,000

According to the Land Registry and our network of Estate Agents, there have been 37 sales of properties similar to 26, Glenboi, Mountain Ash within a radius of 1.3 kilometres since 2008.

The most recent example is 8, Meadow Close, Mountain Ash, CF45 3DN, a freehold house which sold for £200,000 on the 21st November 2025.

Read more about house prices in CF45.

• Sold Nov 2025£200,000 | 3 Bed House8, Meadow Close, Mountain Ash, CF45 3DN8, Meadow Close, Mountain Ash, CF45 3DN
• Sold Jul 2025£225,000 | 3 Bed House32, Forest View, Mountain Ash, CF45 3DU32, Forest View, Mountain Ash, CF45 3DU
• Sold Mar 2024£160,000 | 3 Bed House21, Trem Y Dyffryn, Mountain Ash, CF45 4AQ21, Trem Y Dyffryn, Mountain Ash, CF45 4AQ
• Sold Jan 2024£225,000 | 3 Bed House18, Glenbrook, Mountain Ash, CF45 3DH18, Glenbrook, Mountain Ash, CF45 3DH
• Sold Dec 2021£210,000 | 3 Bed House31, Forest View, Mountain Ash, CF45 3DU31, Forest View, Mountain Ash, CF45 3DU
• Sold Oct 2021£165,000 | 3 Bed House3, Glenbrook, Mountain Ash, CF45 3DH3, Glenbrook, Mountain Ash, CF45 3DH
• Sold Sep 2021£160,000 | 3 Bed House9, Cwm Alarch, Mountain Ash, CF45 3DR9, Cwm Alarch, Mountain Ash, CF45 3DR
• Sold Apr 2021£185,000 | 3 Bed House2, Forest View, Mountain Ash, CF45 3DU2, Forest View, Mountain Ash, CF45 3DU
• Sold Mar 2021£165,000 | 3 Bed House4, Cwm Alarch Close, Mountain Ash, CF45 3DT4, Cwm Alarch Close, Mountain Ash, CF45 3DT
• Sold Aug 2017£149,000 | 3 Bed House3, Abercwmboi Isaf Road, Mountain Ash, CF45 3DW3, Abercwmboi Isaf Road, Mountain Ash, CF45 3DW
• Sold Jul 2017£164,995 | 3 Bed House19, Glenboi, Mountain Ash, CF45 3DG19, Glenboi, Mountain Ash, CF45 3DG
• Sold Jan 2017£149,000 | 3 Bed House4, Abercwmboi Isaf Road, Mountain Ash, CF45 3DW4, Abercwmboi Isaf Road, Mountain Ash, CF45 3DW
• Sold Aug 2016£105,000 | 3 Bed House10, Glenboi, Mountain Ash, CF45 3DG10, Glenboi, Mountain Ash, CF45 3DG
• Sold Mar 2016£127,000 | 3 Bed House6, Glenbrook, Mountain Ash, CF45 3DH6, Glenbrook, Mountain Ash, CF45 3DH
• Sold Oct 2015£132,000 | 3 Bed House5A, Glenboi, Mountain Ash, CF45 3DG5A, Glenboi, Mountain Ash, CF45 3DG
• Sold Jul 2015£99,950 | 3 Bed House25, Glenboi, Mountain Ash, CF45 3DG25, Glenboi, Mountain Ash, CF45 3DG
• Sold Jul 2014£155,000 | 3 Bed House32, Glenboi, Mountain Ash, CF45 3DG32, Glenboi, Mountain Ash, CF45 3DG
• Sold May 2013£110,000 | 3 Bed House11, Glenboi, Mountain Ash, CF45 3DG11, Glenboi, Mountain Ash, CF45 3DG
• Sold May 2012£160,000 | 3 Bed House36, Glenboi, Mountain Ash, CF45 3DG36, Glenboi, Mountain Ash, CF45 3DG
• Sold Jun 2008£110,000 | 3 Bed House2, Glenboi, Mountain Ash, CF45 3DG2, Glenboi, Mountain Ash, CF45 3DG

Glenboi, Mountain Ash, CF45 has a total of 48 addresses. According to our analysis of all the public data, 26, Glenboi, Mountain Ash is the 25th largest and the 26th most expensive property on the street.

When compared to the postcode district it is £76k more expensive than the average property in CF45.

• Fernhill

  |

  100 m away
• Mountain Ash

  |

  1.5 km away
• Cwmbach

  |

  2.1 km away

According to data from the Environment Agency, the flood risk in this area is considered to be Very Low.