Our Data Sources
89, Heol Isaf, Cardiff has a single entry in the Land Registry from November 2007 and no records in the EPC database.
We combine this sold price information with public data of neighbouring properties to estimate the attributes and values.
The local information is scored as 3 out of 5 and is considered of medium accuracy.
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 89, Heol Isaf, Cardiff, we estimate a market value of £561,939 and a rental value of £2,041 per month when presented in very good decorative order. Should the property require extensive cosmetic improvement, those figures would reduce to £497,717 and £1,808 per month respectively.
Plot Size
HM Land Registry records the plot of land for 89, Heol Isaf, Cardiff as measuring 451 m2.
That makes it the 16th largest plot in the postcode, where 27 of the 28 other houses have recorded plot data.
Sold Prices
The most recent sale of 89, Heol Isaf, Cardiff completed on 2nd November 2007 at £345,000 and was recorded by HM Land Registry as a freehold house.
Since 1995 this is the property's only sale.
Values of comparable properties have risen by 41.1% over the period since November 2007.
- Sold Nov 2007£345,000
Similar Properties Sold Nearby
Since 2017 171 properties similar to 89, Heol Isaf, Cardiff have sold within a radius of 890 metres, per the Land Registry and our network of Estate Agents.
The latest, on the 10th March 2026, was 42, St. Philbert Street, Cardiff, CF15 8GW, a freehold house which sold for £582,000.
Read more about house prices in CF15.
- Sold Mar 2026£582,000 | 4 Bed House42, St. Philbert Street, Cardiff, CF15 8GW42, St. Philbert Street, Cardiff, CF15 8GW
- Sold Jan 2026£465,000 | 4 Bed House9, Junction Terrace, Cardiff, CF15 8ED9, Junction Terrace, Cardiff, CF15 8ED
- Sold Sep 2025£525,500 | 4 Bed House5, Fisher Hill Way, Cardiff, CF15 8DR5, Fisher Hill Way, Cardiff, CF15 8DR
- Sold Feb 2025£535,000 | 4 Bed House9, Tair Erw, Cardiff, CF15 8HQ9, Tair Erw, Cardiff, CF15 8HQ
- Sold Aug 2024£585,000 | 4 Bed House60, Heol Isaf, Cardiff, CF15 8DZ60, Heol Isaf, Cardiff, CF15 8DZ
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 £572,075, ranging from £458,074 to £679,705.
- 91 Heol Isaf
5 Bed House | 12 m | Est. Value: £614,337
- 85 Heol Isaf
5 Bed House | 20 m | Est. Value: £651,116
- 95 Heol Isaf
4 Bed House | 22 m | Est. Value: £543,194
- 97 Heol Isaf
3 Bed House | 28 m | Est. Value: £458,074
- 83 Heol Isaf
4 Bed House | 29 m | Est. Value: £573,571
Location Comparison
Of the 161 addresses on Heol Isaf, Radyr, Cardiff, CF15, 89, Heol Isaf, Cardiff comes out as the 117th largest and the 115th most expensive in our analysis of the public data.
It is also £142k more expensive than the average property across the CF15 district.
More reading links
Schools Nearby
Public Transport Nearby
- Radyr|400 m away
- Coryton|1.5 km away
- Llandaf|1.6 km away
Available Internet Speeds
Broadband here reaches ultrafast speeds, based on recent Ofcom data.
According to recent data from Ofcom, Ultrafast Broadband available in this area.
Risk of Flooding
The flood risk here is rated Very Low, based on Environment Agency data.












