Our Data Sources
3, Cwm Alarch Close, Mountain Ash has no records in the Land Registry and a single entry in the EPC database dated November 2021.
We combine this information with public data of neighbouring properties to estimate the property attributes and values.
The local information is scored as 1 out of 5 and is considered of low accuracy.
Price Range & Condition
In very good condition, we estimate 3, Cwm Alarch Close, Mountain Ash would be worth £249,849, with a potential rental value of £1,145 per month.
If substantial cosmetic improvements are needed, the estimated sale value falls to £221,294, with a rental value of £1,014 per month.
The extent to which decoration affects a property's value depends on its type, size and location.
Plot Size
3, Cwm Alarch Close, Mountain Ash occupies a 483 m2 plot as recorded by HM Land Registry.
Of the 6 other houses in this postcode, 3 have recorded plot sizes, and this one ranks as the 3rd largest.
Energy Efficiency
3, Cwm Alarch Close, Mountain Ash has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 05 Nov 2021.
The property is connected to mains gas and has fully double glazed windows. It is heated using a boiler and radiators (mains gas).
Similar Properties Sold Nearby
Land Registry records and our Estate Agent network show 33 sales of comparable properties within 1.1 kilometres of 3, Cwm Alarch Close, Mountain Ash since 2007.
Most recently, 8, Meadow Close, Mountain Ash, CF45 3DN, a freehold house, sold at £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 Jan 2024£225,000 | 3 Bed House18, Glenbrook, Mountain Ash, CF45 3DH18, Glenbrook, Mountain Ash, CF45 3DH
- Sold Oct 2023£225,000 | 4 Bed House58, Forest View, Mountain Ash, CF45 3DU58, Forest View, Mountain Ash, CF45 3DU
- Sold Dec 2022£180,000 | 3 Bed House8, Glenbrook, Mountain Ash, CF45 3DH8, Glenbrook, Mountain Ash, CF45 3DH
Nearby is defined as the radius comprising the nearest 2,000 addresses.
More reading links
Explore Nearby Properties
The surrounding properties have an average estimated value of £318,915, ranging from £217,176 to £462,181.
- 4 Cwm Alarch Close
3 Bed House | 10 m | Est. Value: £217,176
- 6 Cwm Alarch Close
4 Bed House | 45 m | Est. Value: £253,101
- 35 Sierra Pines
5 Bed House | 56 m | Est. Value: £418,399
- 36 Sierra Pines
4 Bed House | 67 m | Est. Value: £394,464
- 32 Sierra Pines
4 Bed House | 68 m | Est. Value: £384,884
Location Comparison
Our analysis of the public data ranks 3, Cwm Alarch Close, Mountain Ash as the 3rd largest and the 3rd most expensive of the 6 addresses on Cwm Alarch Close, Mountain Ash, CF45.
Against the CF45 postcode district average, it is £78k more expensive than the typical property.
More reading links
Schools Nearby
Public Transport Nearby
- Fernhill|300 m away
- Mountain Ash|1.3 km away
- Cwmbach|2.4 km away
Risk of Flooding
Environment Agency data suggests this area has a Very Low risk of flooding.












