Our Data Sources
48, Arnold Street, Mountain Ash has a single entry in the Land Registry from September 2007 and a single entry in the EPC database dated April 2009.
We combine this information with that 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 48, Arnold Street, Mountain Ash would be worth £147,837, with a potential rental value of £889 per month.
If substantial cosmetic improvements are needed, the estimated sale value falls to £130,941, with a rental value of £788 per month.
The extent to which decoration affects a property's value depends on its type, size and location.
Plot Size
48, Arnold Street, Mountain Ash occupies a 119 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 6th largest.
Energy Efficiency
48, Arnold Street, Mountain Ash has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 30 Apr 2009.
The property is connected to mains gas and has fully double glazed windows. It is heated using a boiler and radiators (mains gas).
Sold Prices
48, Arnold Street, Mountain Ash last changed hands on 11th September 2007, selling for £70,000. The transaction was logged as a freehold house by HM Land Registry.
That is its only recorded sale since 1995.
The market for similar properties has risen by 56.7% since September 2007.
- Sold Sep 2007£70,000
Similar Properties Sold Nearby
Land Registry records and our Estate Agent network show 119 sales of comparable properties within 700 metres of 48, Arnold Street, Mountain Ash since 2016.
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.
More reading links
Explore Nearby Properties
The surrounding properties have an average estimated value of £123,274, ranging from £108,657 to £161,121.
- 50 Arnold Street
3 Bed House | 7 m | Est. Value: £131,071
- 44 Arnold Street
3 Bed House | 10 m | Est. Value: £109,346
- 54 Arnold Street
3 Bed House | 16 m | Est. Value: £121,860
- 49 Arnold Street
3 Bed House | 20 m | Est. Value: £109,383
- 51 Arnold Street
3 Bed House | 20 m | Est. Value: £128,687
Location Comparison
Our analysis of the public data ranks 48, Arnold Street, Mountain Ash as the 11th largest and the 11th most expensive of the 65 addresses on Arnold Street, Mountain Ash, CF45.
Against the CF45 postcode district average, it is £19k less expensive than the typical property.
More reading links
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.












