Our Data Sources
12, Nash Street, Mountain Ash has a single entry in the Land Registry from October 2018 and a single entry in the EPC database dated April 2018.
We combine this information with that of neighbouring properties to estimate the property attributes and values.
The local information is scored as 2 out of 5 and is considered of medium accuracy.
Price Range & Condition
In very good condition, we estimate 12, Nash Street, Mountain Ash would be worth £131,020, with a potential rental value of £823 per month.
If substantial cosmetic improvements are needed, the estimated sale value falls to £116,046, with a rental value of £729 per month.
The extent to which decoration affects a property's value depends on its type, size and location.
Plot Size
12, Nash Street, Mountain Ash occupies a 99 m2 plot as recorded by HM Land Registry.
Of the 19 other houses in this postcode, 13 have recorded plot sizes, and this one ranks as the 11th largest.
Energy Efficiency
12, Nash Street, Mountain Ash has an Energy Performance Rating (EPC) of F. This is based on the most recent assessment, dated 26 Apr 2018.
The property is connected to mains gas and has fully double glazed windows. It is heated using Boiler and radiators, mains gas.
Sold Prices
12, Nash Street, Mountain Ash last changed hands on 3rd October 2018, selling for £75,000. 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 57.7% since October 2018.
- Sold Oct 2018£75,000
Similar Properties Sold Nearby
Land Registry records and our Estate Agent network show 144 sales of comparable properties within 1.4 kilometres of 12, Nash Street, Mountain Ash across the last 2 years.
Most recently, 9, Aberdare Road, Mountain Ash, CF45 4NY, a freehold house, sold at £79,000 on the 25th September 2025.
Read more about house prices in CF45.
- Sold Sep 2025£79,000 | 3 Bed House9, Aberdare Road, Mountain Ash, CF45 4NY9, Aberdare Road, Mountain Ash, CF45 4NY
- Sold May 2025£124,000 | 3 Bed House30, Park Street, Mountain Ash, CF45 4PF30, Park Street, Mountain Ash, CF45 4PF
- Sold Dec 2021£120,000 | 3 Bed House47, Park Street, Mountain Ash, CF45 4PF47, Park Street, Mountain Ash, CF45 4PF
•Nearby is defined as the radius comprising the nearest 2,000 addresses.
More reading links
Location Comparison
Our analysis of the public data ranks 12, Nash Street, Mountain Ash as the 2nd largest and the 3rd most expensive of the 20 addresses on Nash Street, Abercynon, Mountain Ash, CF45.
Against the CF45 postcode district average, it is £36k less expensive than the typical property.
More reading links
Schools Nearby
Public Transport Nearby
- Abercynon|400 m away
- Quakers Yard|2.0 km away
- Penrhiwceiber|3.5 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.












