Our Data Sources
14 Street, Mountain Ash has no recent1 records in the the Land Registry and a single entry in the EPC database dated September 2021.
We combine this information with public data 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 14 Street, Mountain Ash would be worth £114,552, with a potential rental value of £775 per month.
If substantial cosmetic improvements are needed, the estimated sale value falls to £101,461, with a rental value of £686 per month.
The extent to which decoration affects a property's value depends on its type, size and location.
Plot Size
14 Street, Mountain Ash occupies a 87 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 36th largest.
Energy Efficiency
14 Street, Mountain Ash has an Energy Performance Rating (EPC) of E. This is based on the most recent assessment, dated 29 Sep 2021.
The property is connected to mains gas and has fully double glazed windows. It is heated using Boiler and radiators, mains gas.
Sold Prices
14 Street, Mountain Ash last changed hands on 10th June 2004, selling for £48,000. The transaction was logged as a freehold house by HM Land Registry.
That is its only recorded sale since 1995.
- Sold Jun 2004£48,000
Similar Properties Sold Nearby
Land Registry records and our Estate Agent network show 52 sales of comparable properties within 580 metres of 14 Street, Mountain Ash across the last 2 years.
Most recently, 22, Allen Street, Mountain Ash, CF45 4BD, a freehold house, sold at £120,000 on the 30th April 2025.
Read more about house prices in CF45.
- Sold Apr 2025£120,000 | 3 Bed House22, Allen Street, Mountain Ash, CF45 4BD22, Allen Street, Mountain Ash, CF45 4BD
- Sold Mar 2023£110,000 | 3 Bed House45, Arnold Street, Mountain Ash, CF45 4LF45, Arnold Street, Mountain Ash, CF45 4LF
- Sold Nov 2020£55,000 | 3 Bed House46, Phillip Street, Mountain Ash, CF45 4BG46, 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 14 Street, Mountain Ash as the 38th largest and the 38th most expensive of the 41 addresses on London Street, Mountain Ash, CF45.
Against the CF45 postcode district average, it is £51k 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.












