Our Data Sources
42 Street, Mountain Ash has a single entry in the Land Registry from December 2017 and a single entry in the EPC database dated October 2015.
We combine this information with that of neighbouring properties to estimate the property attributes and values.
The local information is scored as 3 out of 5 and is considered of medium accuracy.
Price Range & Condition
In very good condition, we estimate 42 Street, Mountain Ash would be worth £125,023, with a potential rental value of £838 per month.
If substantial cosmetic improvements are needed, the estimated sale value falls to £110,735, with a rental value of £742 per month.
The extent to which decoration affects a property's value depends on its type, size and location.
Plot Size
42 Street, Mountain Ash occupies a 102 m2 plot as recorded by HM Land Registry.
Of the 41 other houses in this postcode, 40 have recorded plot sizes, and this one ranks as the 25th largest.
Energy Efficiency
42 Street, Mountain Ash has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 10 Oct 2015.
The property is connected to mains gas and has mostly double glazing. It is heated using Boiler and radiators, mains gas.
Sold Prices
42 Street, Mountain Ash last changed hands on 1st December 2017, selling for £74,950. 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 71.8% since December 2017.
- Sold Dec 2017£74,950
Similar Properties Sold Nearby
Land Registry records and our Estate Agent network show 174 sales of comparable properties within 630 metres of 42 Street, Mountain Ash across the last 2 years.
Most recently, 50, Phillip Street, Mountain Ash, CF45 4BG, a freehold house, sold at £125,000 on the 4th July 2025.
Read more about house prices in CF45.
- Sold Jul 2025£125,000 | 3 Bed House50, Phillip Street, Mountain Ash, CF45 4BG50, Phillip Street, Mountain Ash, CF45 4BG
- Sold Apr 2025£120,000 | 3 Bed House22, Allen Street, Mountain Ash, CF45 4BD22, Allen Street, Mountain Ash, CF45 4BD
- Sold May 2024£138,500 | 3 Bed House42, Phillip Street, Mountain Ash, CF45 4BG42, Phillip Street, Mountain Ash, CF45 4BG
•Nearby is defined as the radius comprising the nearest 2,000 addresses.
More reading links
Location Comparison
Our analysis of the public data ranks 42 Street, Mountain Ash as the 29th largest and the 32nd most expensive of the 41 addresses on London Street, Mountain Ash, CF45.
Against the CF45 postcode district average, it is £41k less expensive than the typical property.
More reading links
Schools Nearby
Public Transport Nearby
- Mountain Ash|300 m away
- Fernhill|1.4 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 is available in the area.
Risk of Flooding
Environment Agency data suggests this area has a Very Low risk of flooding.
