Our Data Sources
40, Windsor Avenue, Cardiff has a single entry in the Land Registry from December 2017 and a single entry in the EPC database dated March 2017.
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.
Price Range & Condition
Decorative condition can have a big effect on a property's value and this effect varies depending on the type, size and location of the property.
If 40, Windsor Avenue, Cardiff is in very good condition we estimate a sale value of £573,766 and a rental value of £2,099 per month.
However, if the property needs a lot of cosmetic work we estimate a sale value of £508,193 and a rental value of £1,859 per month.
Plot Size
According to data from HM Land Registry, 40, Windsor Avenue, Cardiff sits on a plot of 801 m2.
We have plot size data on 19 out of 19 other houses in the postcode and 40, Windsor Avenue, Cardiff sits on the 3rd largest plot.
Energy Efficiency
40, Windsor Avenue, Cardiff has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 23 Mar 2017.
The property is connected to mains gas and has fully double glazed windows. It is heated using Boiler and radiators, mains gas.
Sold Prices
According to HM Land Registry, 40, Windsor Avenue, Cardiff was last sold on 15th December 2017 for £477,000 and was recorded as a freehold house.
The property has only had this single sale since 1995.
Since December 2017, the market for similar properties has risen by 32.4%.
- Sold Dec 2017£477,000
Similar Properties Sold Nearby
According to the Land Registry and our network of Estate Agents, there have been 3 sales of properties similar to 40, Windsor Avenue, Cardiff within a radius of 950 metres over the last 2 years.
The most recent example is 5, Drysgol Road, Cardiff, CF15 8BT, a freehold house which sold for £495,000 on the 16th January 2026.
Read more about house prices in CF15.
- Sold Jan 2026£495,000 | 4 Bed House5, Drysgol Road, Cardiff, CF15 8BT5, Drysgol Road, Cardiff, CF15 8BT
- Sold Jun 2023£565,000 | 4 Bed House62, Windsor Avenue, Cardiff, CF15 8BY62, Windsor Avenue, Cardiff, CF15 8BY
- Sold Jun 2021£575,000 | 4 Bed House60, Windsor Avenue, Cardiff, CF15 8BY60, Windsor Avenue, Cardiff, CF15 8BY
•Nearby is defined as the radius comprising the nearest 2,000 addresses.
More reading links
Location Comparison
Windsor Avenue, Radyr, Cardiff, CF15 has a total of 61 addresses. According to our analysis of all the public data, 40, Windsor Avenue, Cardiff is the 44th largest and the 40th most expensive property on the street.
When compared to the postcode district it is £159k more expensive than the average property in CF15.
More reading links
Schools Nearby
Public Transport Nearby
- 900mRadyr
- 1.9kmCoryton
- 2.3kmTaffs Well
Available Internet Speeds
According to recent data from Ofcom, superfast broadband is available in this area.
According to recent data from Ofcom, Superfast broadband is available in the area.
Risk of Flooding
According to data from the Environment Agency, the flood risk in this area is considered to be very low.












