Our Data Sources
84, Heol Isaf, Cardiff has 41 entries in the Land Registry, most recently in December 2021 and a single entry in the EPC database dated May 2021.
We combine this information with that of neighbouring properties to estimate the property attributes and values.
The local information is scored as 3 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
In very good condition, we estimate 84, Heol Isaf, Cardiff would be worth £741,310, with a potential rental value of £2,531 per month.
If substantial cosmetic improvements are needed, the estimated sale value falls to £656,589, with a rental value of £2,242 per month.
The extent to which decoration affects a property's value depends on its type, size and location.
Plot Size
84, Heol Isaf, Cardiff occupies a 606 m2 plot as recorded by HM Land Registry.
Of the 27 other houses in this postcode, 22 have recorded plot sizes, and this one ranks as the 19th largest.
Energy Efficiency
84, Heol Isaf, Cardiff has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 11 May 2021.
The property is connected to mains gas and has mostly double glazing. It is heated using a boiler and radiators (mains gas).
Sold Prices
84, Heol Isaf, Cardiff last changed hands on 15th December 2021, selling for £580,000. The transaction was logged as a freehold house by HM Land Registry.
In total it has sold 4 times since 1995.
The market for similar properties has risen by 1.8% since December 2021.
- Sold Dec 2021£580,000
- Sold Jul 2010£352,000
- Sold Oct 2002£274,000
Similar Properties Sold Nearby
Land Registry records and our Estate Agent network show 103 sales of comparable properties within 820 metres of 84, Heol Isaf, Cardiff since 2018.
Most recently, 17, Plas Y Mynach, Cardiff, CF15 8GB, a freehold house, sold at £640,000 on the 11th November 2025.
Read more about house prices in CF15.
- Sold Nov 2025£640,000 | 5 Bed House17, Plas Y Mynach, Cardiff, CF15 8GB17, Plas Y Mynach, Cardiff, CF15 8GB
- Sold Aug 2025£760,000 | 5 Bed House33, St. Philbert Street, Cardiff, CF15 8GW33, St. Philbert Street, Cardiff, CF15 8GW
- Sold Apr 2025£625,000 | 5 Bed House48, Fisher Hill Way, Cardiff, CF15 8DR48, Fisher Hill Way, Cardiff, CF15 8DR
- Sold Apr 2025£675,000 | 5 Bed House10, Garth Isaf, Cardiff, CF15 8GQ10, Garth Isaf, Cardiff, CF15 8GQ
- Sold Jan 2025£645,000 | 5 Bed House90, Heol Isaf, Cardiff, CF15 8EA90, Heol Isaf, Cardiff, CF15 8EA
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 £565,900, ranging from £343,415 to £792,485.
- 82 Heol Isaf
4 Bed House | 11 m | Est. Value: £566,683
- 88 Heol Isaf
5 Bed House | 28 m | Est. Value: £725,344
- 2 Radyr Farm Road
4 Bed House | 39 m | Est. Value: £593,847
- 90 Heol Isaf
5 Bed House | 47 m | Est. Value: £686,228
- 8 Plas Y Mynach
3 Bed House | 56 m | Est. Value: £369,266
Location Comparison
Our analysis of the public data ranks 84, Heol Isaf, Cardiff as the 62nd largest and the 53rd most expensive of the 161 addresses on Heol Isaf, Radyr, Cardiff, CF15.
Against the CF15 postcode district average, it is £314k more expensive than the typical property.
More reading links
Schools Nearby
Public Transport Nearby
- Radyr|800 m away
- Llandaf|1.5 km away
- Danescourt|1.5 km away
Available Internet Speeds
Ofcom's latest figures show ultrafast broadband available in this area.
According to recent data from Ofcom, Ultrafast Broadband available in this area.
Risk of Flooding
Environment Agency data suggests this area has a Very Low risk of flooding.












