Our Data Sources
100, High Street, Mountain Ash has 21 entries in the Land Registry, most recently in October 2007 and a single entry in the EPC database dated August 2011.
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.
1Sales dated prior to 2007 are shown, but are not used in our calculations.
Price Range & Condition
In very good condition, we estimate 100, High Street, Mountain Ash would be worth £80,933, with a potential rental value of £613 per month.
If substantial cosmetic improvements are needed, the estimated sale value falls to £71,684, with a rental value of £543 per month.
The extent to which decoration affects a property's value depends on its type, size and location.
Plot Size
100, High Street, Mountain Ash occupies a 86 m2 plot as recorded by HM Land Registry.
Of the 41 other houses in this postcode, 37 have recorded plot sizes, and this one ranks as the 36th largest.
Energy Efficiency
100, High Street, Mountain Ash has an Energy Performance Rating (EPC) of E. This is based on the most recent assessment, dated 18 Aug 2011.
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
100, High Street, Mountain Ash last changed hands on 15th October 2007, selling for £59,950. The transaction was logged as a freehold house by HM Land Registry.
In total it has sold twice since 1995.
The market for similar properties has risen by 87.6% since October 2007.
- Sold Oct 2007£59,950
- Sold Apr 2004£32,000
Similar Properties Sold Nearby
Land Registry records and our Estate Agent network show 24 sales of comparable properties within 560 metres of 100, High Street, Mountain Ash since 2009.
Most recently, 32, High Street, Mountain Ash, CF45 3PE, a freehold house, sold at £53,000 on the 2nd February 2026.
Read more about house prices in CF45.
- Sold Feb 2026£53,000 | 3 Bed House32, High Street, Mountain Ash, CF45 3PE32, High Street, Mountain Ash, CF45 3PE
- Sold Oct 2024£67,000 | 3 Bed House20, Chancery Lane, Mountain Ash, CF45 3NW20, Chancery Lane, Mountain Ash, CF45 3NW
- Sold Aug 2024£30,000 | 3 Bed House40, High Street, Mountain Ash, CF45 3PE40, High Street, Mountain Ash, CF45 3PE
- Sold Jul 2024£76,000 | 3 Bed House72, High Street, Mountain Ash, CF45 3LD72, High Street, Mountain Ash, CF45 3LD
- Sold Jun 2024£39,950 | 3 Bed House48, Commercial Street, Mountain Ash, CF45 3PW48, Commercial Street, Mountain Ash, CF45 3PW
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 £85,008, ranging from £67,581 to £118,899.
- 102 High Street
3 Bed House | 4 m | Est. Value: £86,632
- 104 High Street
3 Bed House | 8 m | Est. Value: £75,791
- 106 High Street
3 Bed House | 13 m | Est. Value: £81,077
- 2 Rock Street
3 Bed House | 17 m | Est. Value: £118,899
- 108 High Street
3 Bed House | 18 m | Est. Value: £74,410
Location Comparison
Our analysis of the public data ranks 100, High Street, Mountain Ash as the 90th largest and the 82nd most expensive of the 135 addresses on High Street, Mountain Ash, CF45.
Against the CF45 postcode district average, it is £83k less expensive than the typical property.
More reading links
Schools Nearby
Public Transport Nearby
- Mountain Ash|300 m away
- Fernhill|1.3 km away
- Penrhiwceiber|1.8 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.












