Our Data Sources
17, Windsor Road, Mountain Ash has no recent1 records in the Land Registry and a single entry in the EPC database dated April 2015.
We combine this information with public data 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.
1Sales dated prior to 2007 are shown, but are not used in our calculations.
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 17, Windsor Road, Mountain Ash, we estimate a market value of £129,348 and a rental value of £818 per month when presented in very good decorative order. Should the property require extensive cosmetic improvement, those figures would reduce to £114,565 and £725 per month respectively.
Plot Size
HM Land Registry records the plot of land for 17, Windsor Road, Mountain Ash as measuring 148 m2.
That makes it the 16th largest plot in the postcode, where 21 of the 27 other houses have recorded plot data.
Energy Efficiency
17, Windsor Road, Mountain Ash has an Energy Performance Rating (EPC) of E. This is based on the most recent assessment, dated 30 Apr 2015.
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
The most recent sale of 17, Windsor Road, Mountain Ash completed on 17th April 2003 at £31,000 and was recorded by HM Land Registry as a freehold house.
Since 1995 this is the property's only sale.
- Sold Apr 2003£31,000
Similar Properties Sold Nearby
Since 2016 168 properties similar to 17, Windsor Road, Mountain Ash have sold within a radius of 690 metres, per the Land Registry and our network of Estate Agents.
The latest, on the 17th April 2026, was 9, Clarence Street, Mountain Ash, CF45 3BB, a freehold house which sold for £130,000.
Read more about house prices in CF45.
- Sold Apr 2026£130,000 | 4 Bed House9, Clarence Street, Mountain Ash, CF45 3BB9, Clarence Street, Mountain Ash, CF45 3BB
- Sold Mar 2026£135,000 | 3 Bed House70, Clarence Street, Mountain Ash, CF45 3BD70, Clarence Street, Mountain Ash, CF45 3BD
- Sold Dec 2025£130,000 | 3 Bed House11, Clarence Street, Mountain Ash, CF45 3BB11, Clarence Street, Mountain Ash, CF45 3BB
- Sold Nov 2025£120,000 | 3 Bed House100, Woodfield Terrace, Mountain Ash, CF45 3UT100, Woodfield Terrace, Mountain Ash, CF45 3UT
- Sold Nov 2025£65,000 | 3 Bed House110, Woodfield Terrace, Mountain Ash, CF45 3UT110, Woodfield Terrace, Mountain Ash, CF45 3UT
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 £114,943, ranging from £106,286 to £134,496.
- 20 Windsor Road
3 Bed House | 16 m | Est. Value: £106,995
- 21 Windsor Road
3 Bed House | 21 m | Est. Value: £106,286
- 12 Windsor Road
4 Bed House | 24 m | Est. Value: £133,935
- 22 Windsor Road
4 Bed House | 26 m | Est. Value: £134,496
- 23 Windsor Road
3 Bed House | 32 m | Est. Value: £106,286
Location Comparison
Of the 27 addresses on Windsor Road, Mountain Ash, CF45, 17, Windsor Road, Mountain Ash comes out as the 10th largest and the 10th most expensive in our analysis of the public data.
It is also £37k less expensive than the average property across the CF45 district.
More reading links
Schools Nearby
Public Transport Nearby
- Mountain Ash|800 m away
- Penrhiwceiber|1.2 km away
- Fernhill|2.0 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.












