Our Data Sources
100, Heol Isaf, Cardiff has 21 entries in the Land Registry, most recently in August 2012 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.
1Sales dated prior to 2007 are shown, but are not used in our calculations.
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 100, Heol Isaf, Cardiff, we estimate a market value of £681,701 and a rental value of £2,266 per month when presented in very good decorative order. Should the property require extensive cosmetic improvement, those figures would reduce to £603,792 and £2,007 per month respectively.
Plot Size
HM Land Registry records the plot of land for 100, Heol Isaf, Cardiff as measuring 590 m2.
That makes it the 21st largest plot in the postcode, where 22 of the 27 other houses have recorded plot data.
Sold Prices
The most recent sale of 100, Heol Isaf, Cardiff completed on 10th August 2012 at £475,000 and was recorded by HM Land Registry as a freehold house.
Since 1995 the property has sold twice.
Values of comparable properties have risen by 69.5% over the period since August 2012.
- Sold Aug 2012£475,000
- Sold Aug 1996£148,500
Similar Properties Sold Nearby
Since 2017 132 properties similar to 100, Heol Isaf, Cardiff have sold within a radius of 730 metres, per the Land Registry and our network of Estate Agents.
The latest, on the 11th November 2025, was 17, Plas Y Mynach, Cardiff, CF15 8GB, a freehold house which sold for £640,000.
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 Feb 2025£617,000 | 4 Bed House6, Garth Isaf, Cardiff, CF15 8GQ6, Garth Isaf, Cardiff, CF15 8GQ
- Sold Jan 2025£645,000 | 5 Bed House90, Heol Isaf, Cardiff, CF15 8EA90, Heol Isaf, Cardiff, CF15 8EA
- Sold Nov 2023£630,000 | 4 Bed House36, Clos Parc Radur, Cardiff, CF15 8GH36, Clos Parc Radur, Cardiff, CF15 8GH
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 £597,396, ranging from £421,473 to £1,115,402.
- 98 Heol Isaf
5 Bed House | 19 m | Est. Value: £800,761
- 104 Heol Isaf
3 Bed House | 24 m | Est. Value: £511,888
- 106 Heol Isaf
5 Bed House | 36 m | Est. Value: £756,091
- 94 Heol Isaf
5 Bed House | 48 m | Est. Value: £1,115,402
- 108 Heol Isaf
5 Bed House | 53 m | Est. Value: £826,309
Location Comparison
Of the 161 addresses on Heol Isaf, Radyr, Cardiff, CF15, 100, Heol Isaf, Cardiff comes out as the 95th largest and the 78th most expensive in our analysis of the public data.
It is also £257k more expensive than the average property across the CF15 district.
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
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.












