Our Data Sources
3, Clas Isan, Cardiff has a single entry in the Land Registry from May 2008 and a single entry in the EPC database dated November 2025.
We combine this information with that of neighbouring properties to estimate the property attributes and values.
The local information is scored as 2 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 3, Clas Isan, Cardiff, we estimate a market value of £441,428 and a rental value of £1,770 per month when presented in very good decorative order. Should the property require extensive cosmetic improvement, those figures would reduce to £390,979 and £1,567 per month respectively.
Plot Size
HM Land Registry records the plot of land for 3, Clas Isan, Cardiff as measuring 316 m2.
That makes it the 7th largest plot in the postcode, where all 10 other houses have recorded plot data.
Energy Efficiency
3, Clas Isan, Cardiff has an Energy Performance Rating (EPC) of E. This is based on the most recent assessment, dated 03 Nov 2025.
The property is connected to mains gas and has fully double glazed windows. It is heated using a boiler and radiators (mains gas).
Sold Prices
The most recent sale of 3, Clas Isan, Cardiff completed on 30th May 2008 at £250,000 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 82.1% over the period since May 2008.
- Sold May 2008£250,000
Similar Properties Sold Nearby
Since 2015 225 properties similar to 3, Clas Isan, Cardiff have sold within a radius of 530 metres, per the Land Registry and our network of Estate Agents.
The latest, on the 3rd June 2026, was 91, Heol Gabriel, Cardiff, CF14 1JX, a freehold house which sold for £350,000.
Read more about house prices in CF14.
- Sold Jun 2026£350,000 | 3 Bed House91, Heol Gabriel, Cardiff, CF14 1JX91, Heol Gabriel, Cardiff, CF14 1JX
- Sold May 2026£460,000 | 3 Bed House9, Clas Illtyd, Cardiff, CF14 1SA9, Clas Illtyd, Cardiff, CF14 1SA
- Sold Dec 2025£335,000 | 3 Bed House5, Cae Maen, Cardiff, CF14 1UP5, Cae Maen, Cardiff, CF14 1UP
- Sold Nov 2025£350,000 | 3 Bed House71, Heol Y Gors, Cardiff, CF14 1HG71, Heol Y Gors, Cardiff, CF14 1HG
- Sold Oct 2025£467,500 | 3 Bed House41, Court Road, Cardiff, CF14 1HN41, Court Road, Cardiff, CF14 1HN
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 £413,286, ranging from £386,621 to £445,684.
- 5 Clas Isan
3 Bed House | 13 m | Est. Value: £409,686
- 22 Heol Wernlas
3 Bed House | 23 m | Est. Value: £411,820
- 8 Clas Illtyd
3 Bed House | 29 m | Est. Value: £445,684
- 6 Clas Illtyd
3 Bed House | 30 m | Est. Value: £399,740
- 10 Clas Illtyd
3 Bed House | 36 m | Est. Value: £438,559
Location Comparison
Of the 10 addresses on Clas Isan, Cardiff, CF14, 3, Clas Isan, Cardiff comes out as the 3rd largest and the 4th most expensive in our analysis of the public data.
It is also £45k more expensive than the average property across the CF14 district.
More reading links
Schools Nearby
Public Transport Nearby
- Birchgrove|1.2 km away
- Rhiwbina|1.2 km away
- Ty Glas|1.3 km away
Available Internet Speeds
Broadband here reaches superfast speeds, based on recent Ofcom data.
According to recent data from Ofcom, Superfast Broadband available in this area.
Risk of Flooding
The flood risk here is rated Very Low, based on Environment Agency data.





