According to data from HM Land Registry, 5A, Glenboi, Mountain Ash sits on a plot of 204 m².

We have plot size data on 30 out of 44 other houses in the postcode and 5A, Glenboi, Mountain Ash sits on the 28th largest plot.

5A, Glenboi, Mountain Ash has an Energy Performance Rating (EPC) of B. This is based on the most recent assessment, dated 17 Sep 2014.

The property is not connected to mains gas and has high performance glazing. It is heated using a boiler and radiators (mains gas).

According to HM Land Registry, 5A, Glenboi, Mountain Ash was last sold on 16th October 2015 for £132,000 and was recorded as a freehold house.

The property has only had this single sale since 1995.

Since October 2015, the market for similar properties has risen by 182.4%.

• Sold Oct 2015£132,000

According to the Land Registry and our network of Estate Agents, there have been 33 sales of properties similar to 5A, Glenboi, Mountain Ash within a radius of 1.1 kilometres since 2013.

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 Mar 2024£160,000 | 3 Bed House21, Trem Y Dyffryn, Mountain Ash, CF45 4AQ21, Trem Y Dyffryn, Mountain Ash, CF45 4AQ
• Sold Dec 2022£282,500 | 3 Bed House30, Trem Y Dyffryn, Mountain Ash, CF45 4AQ30, Trem Y Dyffryn, Mountain Ash, CF45 4AQ
• Sold Jul 2022£200,000 | 3 Bed House24, Trem Y Dyffryn, Mountain Ash, CF45 4AQ24, Trem Y Dyffryn, Mountain Ash, CF45 4AQ
• Sold Dec 2021£210,000 | 3 Bed House31, Forest View, Mountain Ash, CF45 3DU31, Forest View, Mountain Ash, CF45 3DU
• Sold Dec 2021£180,000 | 3 Bed House4, Cwm Alarch, Mountain Ash, CF45 3DR4, Cwm Alarch, Mountain Ash, CF45 3DR
• 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 Sep 2018£100,000 | 3 Bed House21, Glenboi, Mountain Ash, CF45 3DG21, Glenboi, Mountain Ash, CF45 3DG
• 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 Dec 2015£155,900 | 3 Bed House1, Trem Y Dyffryn, Mountain Ash, CF45 4AQ1, Trem Y Dyffryn, Mountain Ash, CF45 4AQ
• Sold Nov 2015£100,000 | 3 Bed House26, Glenboi, Mountain Ash, CF45 3DG26, Glenboi, Mountain Ash, CF45 3DG
• Sold Jan 2015£100,000 | 3 Bed House3, Glen Close, Mountain Ash, CF45 3DL3, Glen Close, Mountain Ash, CF45 3DL
• Sold Nov 2014£120,000 | 3 Bed House2, Abercwmboi Isaf Road, Mountain Ash, CF45 3DW2, Abercwmboi Isaf Road, Mountain Ash, CF45 3DW
• Sold May 2013£110,000 | 3 Bed House11, Glenboi, Mountain Ash, CF45 3DG11, Glenboi, Mountain Ash, CF45 3DG

Glenboi, Mountain Ash, CF45 has a total of 48 addresses. According to our analysis of all the public data, 5A, Glenboi, Mountain Ash is the 28th largest and the 28th most expensive property on the street.

When compared to the postcode district it is £70k 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.