Our Data Sources
39, Arnold Street, Mountain Ash has no records in the Land Registry and a single entry in the EPC database dated January 2025.
We combine this information with public data of neighbouring properties to estimate the property attributes and values.
The local information is scored as 4 out of 5 and is considered of high accuracy.
Price Range & Condition
In very good condition, we estimate 39, Arnold Street, Mountain Ash would be worth £150,359, with a potential rental value of £892 per month.
If substantial cosmetic improvements are needed, the estimated sale value falls to £133,175, with a rental value of £790 per month.
The extent to which decoration affects a property's value depends on its type, size and location.
Plot Size
39, Arnold Street, Mountain Ash occupies a 107 m2 plot as recorded by HM Land Registry.
Of the 65 other houses in this postcode, 55 have recorded plot sizes, and this one ranks as the 35th largest.
Energy Efficiency
39, Arnold Street, Mountain Ash has an Energy Performance Rating (EPC) of E. This is based on the most recent assessment, dated 28 Jan 2025.
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 98 sales of comparable properties within 720 metres of 39, Arnold Street, Mountain Ash since 2007.
Most recently, 12, Beckett Street, Mountain Ash, CF45 4AW, a freehold house, sold at £150,000 on the 8th May 2026.
Read more about house prices in CF45.
- Sold May 2026£150,000 | 3 Bed House12, Beckett Street, Mountain Ash, CF45 4AW12, Beckett Street, Mountain Ash, CF45 4AW
- Sold Feb 2026£142,500 | 3 Bed HouseAberpennar Cottage, Dover Street, Mountain Ash, CF45 3HYAberpennar Cottage, Dover Street, Mountain Ash, CF45 3HY
- Sold Oct 2025£130,000 | 3 Bed House26, The Triangle, Mountain Ash, CF45 4BA26, The Triangle, Mountain Ash, CF45 4BA
- Sold Oct 2025£140,000 | 3 Bed House59, Arnold Street, Mountain Ash, CF45 4LF59, Arnold Street, Mountain Ash, CF45 4LF
- Sold Aug 2025£126,000 | 3 Bed House19, Beckett Street, Mountain Ash, CF45 4AW19, Beckett Street, Mountain Ash, CF45 4AW
Nearby is defined as the radius comprising the nearest 2,000 addresses.
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Explore Nearby Properties
The surrounding properties have an average estimated value of £120,840, ranging from £109,346 to £141,889.
- 37 Arnold Street
3 Bed House | 4 m | Est. Value: £129,420
- 33 Arnold Street
3 Bed House | 13 m | Est. Value: £120,282
- 45 Arnold Street
3 Bed House | 16 m | Est. Value: £109,383
- 38 Arnold Street
3 Bed House | 21 m | Est. Value: £141,889
- 31 Arnold Street
3 Bed House | 22 m | Est. Value: £124,183
Location Comparison
Our analysis of the public data ranks 39, Arnold Street, Mountain Ash as the 4th largest and the 4th most expensive of the 65 addresses on Arnold Street, Mountain Ash, CF45.
Against the CF45 postcode district average, it is £17k less expensive than the typical property.
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Schools Nearby
Public Transport Nearby
- Mountain Ash|400 m away
- Fernhill|1.5 km away
- Penrhiwceiber|2.0 km away
Available Internet Speeds
Ofcom's latest figures show superfast broadband available in this area.
According to recent data from Ofcom, Superfast Broadband available in this area.
Risk of Flooding
Environment Agency data suggests this area has a Very Low risk of flooding.












