20, Heol Isaf
20, Heol Isaf
Description & Estimates
Public records show 20, Heol Isaf, Cardiff to be a period freehold house with 3,401 ft2 of internal area, sitting on a 750 m2 plot.
In this area, houses of this size normally have 5 bedrooms with a garden.
20, Heol Isaf, Cardiff has an estimated sale value of £1,143,357 and an estimated rental value of £4,037 per month, assuming reasonable condition and based on the information available.
Heol Isaf, Radyr, Cardiff, CF15 lies within the CF15 postal district.
Our Data Sources
20, Heol Isaf, Cardiff has a single entry in the Land Registry from April 2020 and a single entry in the EPC database dated November 2019.
We combine this information with that of neighbouring properties to estimate the property attributes and values.
The local information is scored as 1 out of 5 and is considered of low accuracy.
Price Range & Condition
In very good condition, we estimate 20, Heol Isaf, Cardiff would be worth £1,200,525, with a potential rental value of £4,238 per month.
If substantial cosmetic improvements are needed, the estimated sale value falls to £1,063,322, with a rental value of £3,754 per month.
The extent to which decoration affects a property's value depends on its type, size and location.
Recent Market Change
The estimated sale value of 20, Heol Isaf, Cardiff has moved down by £5,087 (0.4%) over the last year. During the same period, its estimated monthly rental value has increased by £103 (2.6%). The property's estimated gross yield is currently 4.2%.
Plot Size
20, Heol Isaf, Cardiff occupies a 750 m2 plot as recorded by HM Land Registry.
All 12 other houses in this postcode have recorded plot sizes, and this one ranks as the 4th largest.
Energy Efficiency
20, Heol Isaf, Cardiff has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 04 Nov 2019.
The property is connected to mains gas and has fully double glazed windows. It is heated using Boiler and radiators, mains gas.
Sold Prices
20, Heol Isaf, Cardiff last changed hands on 6th April 2020, selling for £865,000. 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 dropped by 6.0% since April 2020.
- Sold Apr 2020£865,000
Similar Properties Sold Nearby
Land Registry records and our Estate Agent network show 3 sales of comparable properties within 930 metres of 20, Heol Isaf, Cardiff across the last 2 years.
Most recently, 40, Heol Isaf, Cardiff, CF15 8DY, a freehold house, sold at £1,300,000 on the 20th August 2025.
Read more about house prices in CF15.
•Nearby is defined as the radius comprising the nearest 2,000 addresses.
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Location Comparison
Our analysis of the public data ranks 20, Heol Isaf, Cardiff as the 17th largest and the 13th most expensive of the 161 addresses on Heol Isaf, Radyr, Cardiff, CF15.
Against the CF15 postcode district average, it is £756k more expensive than the typical property.
More reading links
Schools Nearby
Public Transport Nearby
Radyr station is the nearest stop to 20, Heol Isaf, Cardiff at 300 metres away.
- 300mRadyr
- 1.5kmCoryton
- 1.8kmLlandaf
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.
