Our Data Sources
8, Commercial Street, Mountain Ash has no records in the Land Registry and a single entry in the EPC database dated May 2016.
We combine this information with public data of neighbouring properties to estimate the property attributes and values.
The local information is scored as 5 out of 5 and is considered of high accuracy.
Price Range & Condition
The condition of a property plays an important role in determining its value, with the degree of impact varying by property type, size and location.
For 8, Commercial Street, Mountain Ash, we estimate a market value of £102,998 and a rental value of £747 per month when presented in very good decorative order. Should the property require extensive cosmetic improvement, those figures would reduce to £91,227 and £661 per month respectively.
Plot Size
HM Land Registry records the plot of land for 8, Commercial Street, Mountain Ash as measuring 213 m2.
That makes it the largest plot in the postcode, where 12 of the 14 other houses have recorded plot data.
Energy Efficiency
8, Commercial Street, Mountain Ash has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 25 May 2016.
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
Since 2016 110 properties similar to 8, Commercial Street, Mountain Ash have sold within a radius of 630 metres, per the Land Registry and our network of Estate Agents.
The latest, on the 10th June 2026, was 15, Cliff Street, Mountain Ash, CF45 3LE, a freehold house which sold for £103,000.
Read more about house prices in CF45.
- Sold Jun 2026£103,000 | 3 Bed House15, Cliff Street, Mountain Ash, CF45 3LE15, Cliff Street, Mountain Ash, CF45 3LE
- Sold Nov 2025£120,000 | 3 Bed House29, Cliff Street, Mountain Ash, CF45 3LE29, Cliff Street, Mountain Ash, CF45 3LE
- Sold Jun 2025£95,000 | 3 Bed House33, Duffryn Street, Mountain Ash, CF45 3NU33, Duffryn Street, Mountain Ash, CF45 3NU
- Sold Dec 2024£68,000 | 3 Bed House5, Fountain Street, Mountain Ash, CF45 3PA5, Fountain Street, Mountain Ash, CF45 3PA
- Sold Nov 2024£100,000 | 3 Bed House21, Dover Street, Mountain Ash, CF45 3HU21, Dover Street, Mountain Ash, CF45 3HU
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 £138,996, ranging from £87,421 to £289,655.
- 10 Commercial Street
3 Bed House | 8 m | Est. Value: £107,833
- 6 Commercial Street
3 Bed House | 11 m | Est. Value: £106,020
- 12 Commercial Street
3 Bed House | 15 m | Est. Value: £113,066
- 4 Commercial Street
3 Bed House | 16 m | Est. Value: £87,421
- 2 Commercial Street
3 Bed House | 20 m | Est. Value: £90,599
Location Comparison
Of the 31 addresses on Commercial Street, Mountain Ash, CF45, 8, Commercial Street, Mountain Ash comes out as the 19th largest and the 12th most expensive in our analysis of the public data.
It is also £65k less expensive than the average property across the CF45 district.
More reading links
Schools Nearby
Public Transport Nearby
- Mountain Ash|500 m away
- Fernhill|1.0 km away
- Penrhiwceiber|2.2 km away
Available Internet Speeds
Broadband here reaches superfast speeds, based on recent Ofcom data.
According to recent data from Ofcom, Superfast Broadband available in this area.
Risk of Flooding
The flood risk here is rated Very Low, based on Environment Agency data.












