Our Data Sources
11, Heol Isaf, Cardiff has no records in the Land Registry and a single entry in the EPC database dated October 2017.
We combine this information with public data 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.
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 11, Heol Isaf, Cardiff is in very good condition we estimate a sale value of £1,070,967 and a rental value of £3,759 per month.
However, if the property needs a lot of cosmetic work we estimate a sale value of £948,571 and a rental value of £3,330 per month.
Plot Size
According to data from HM Land Registry, 11, Heol Isaf, Cardiff sits on a plot of 848 m2.
We have plot size data on 7 out of 11 other houses in the postcode and 11, Heol Isaf, Cardiff sits on the largest plot.
Energy Efficiency
11, Heol Isaf, Cardiff has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 31 Oct 2017.
The property is connected to mains gas and has fully double glazed windows. It is heated using a boiler and radiators (mains gas, boiler and radiators, mains gas).
Similar Properties Sold Nearby
According to the Land Registry and our network of Estate Agents, there have been 5 sales of properties similar to 11, Heol Isaf, Cardiff within a radius of 970 metres since 2011.
The most recent example is 31, Drysgol Road, Cardiff, CF15 8BS, a freehold house which sold for £770,000 on the 24th April 2026.
Read more about house prices in CF15.
- Sold Apr 2026£770,000 | 5 Bed House31, Drysgol Road, Cardiff, CF15 8BS31, Drysgol Road, Cardiff, CF15 8BS
- Sold Apr 2024£1,125,000 | 5 Bed House47, Drysgol Road, Cardiff, CF15 8BS47, Drysgol Road, Cardiff, CF15 8BS
- Sold Oct 2023£1,350,000 | 5 Bed House33, Drysgol Road, Cardiff, CF15 8BS33, Drysgol Road, Cardiff, CF15 8BS
- Sold Apr 2020£865,000 | 5 Bed House20, Heol Isaf, Cardiff, CF15 8AL20, Heol Isaf, Cardiff, CF15 8AL
- Sold Jul 2011£1,075,000 | 5 Bed House94, Heol Isaf, Cardiff, CF15 8EA94, 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 £309,146, ranging from £125,742 to £1,176,249.
- 11D Heol Isaf
2 Bed Flat | 0 m | Est. Value: £212,768
- 11A Heol Isaf
3 Bed Flat | 0 m | Est. Value: £287,046
- 11C Heol Isaf
3 Bed Flat | 0 m | Est. Value: £276,105
- 11B Heol Isaf
2 Bed Flat | 0 m | Est. Value: £242,387
- 17 Heol Isaf
5 Bed House | 48 m | Est. Value: £1,176,249
Location Comparison
Heol Isaf, Radyr, Cardiff, CF15 has a total of 161 addresses. According to our analysis of all the public data, 11, Heol Isaf, Cardiff is the 5th largest and the 21st most expensive property on the street.
When compared to the postcode district it is £626k more expensive than the average property in CF15.
More reading links
Schools Nearby
Public Transport Nearby
- Radyr|600 m away
- Coryton|1.7 km away
- Llandaf|2.2 km away
Available Internet Speeds
According to recent data from Ofcom, Superfast Broadband is available in this area.
According to recent data from Ofcom, Superfast Broadband available in this area.
Risk of Flooding
According to data from the Environment Agency, the flood risk in this area is considered to be Very Low.





