6, Garth Isaf
6, Garth Isaf
Description & Estimates







Public records show 6, Garth Isaf, Cardiff to be a modern freehold house with 1,636 ft2 of internal area, sitting on a 372 m2 plot.
In this area, houses of this size normally have 4 bedrooms with a garden.
6, Garth Isaf, Cardiff has an estimated sale value of £613,179 and an estimated rental value of £2,206 per month, assuming reasonable condition and based on the information available.
Garth Isaf, Radyr, Cardiff, CF15 lies within the CF15 postal district.
Our Data Sources
6, Garth Isaf, Cardiff has 2 entries in the Land Registry , most recently in February 2025 and a single entry in the EPC database dated October 2019.
We combine this information with that 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
In very good condition, we estimate 6, Garth Isaf, Cardiff would be worth £643,838, with a potential rental value of £2,316 per month.
If substantial cosmetic improvements are needed, the estimated sale value falls to £570,257, with a rental value of £2,051 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 6, Garth Isaf, Cardiff has moved down by £2,318 (0.4%) over the last year. During the same period, its estimated monthly rental value has increased by £64 (2.9%). The property's estimated gross yield is currently 4.3%.
Plot Size
6, Garth Isaf, Cardiff occupies a 372 m2 plot as recorded by HM Land Registry.
Of the 14 other houses in this postcode, 13 have recorded plot sizes, and this one ranks as the 9th largest.
Energy Efficiency
6, Garth Isaf, Cardiff has an Energy Performance Rating (EPC) of B. This is based on the most recent assessment, dated 07 Oct 2019.
The property is not connected to mains gas and has high performance glazing. It is heated using Boiler and radiators, mains gas.
Sold Prices
6, Garth Isaf, Cardiff last changed hands on 28th February 2025, selling for £617,000. 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 1.1% since February 2025.
- Sold Feb 2025£617,000
- Sold Nov 2019£512,995
Similar Properties Sold Nearby
Land Registry records and our Estate Agent network show 3 sales of comparable properties within 820 metres of 6, Garth Isaf, Cardiff across the last 2 years.
Most recently, 36, Clos Parc Radur, Cardiff, CF15 8GH, a freehold house, sold at £630,000 on the 1st November 2023.
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 6, Garth Isaf, Cardiff as the 11th largest and the 11th most expensive of the 14 addresses on Garth Isaf, Radyr, Cardiff, CF15.
Against the CF15 postcode district average, it is £225k more expensive than the typical property.
More reading links
Schools Nearby
Public Transport Nearby
Radyr station is the nearest stop to 6, Garth Isaf, Cardiff at 900 metres away.
- 900mRadyr
- 1.7kmDanescourt
- 1.7kmLlandaf
Risk of Flooding
Environment Agency data suggests this area has a very low risk of flooding.

