Our Data Sources
3, Clos Yr Onnen, Cardiff has no records in the the Land Registry and a single entry in the EPC database dated November 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
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, Clos Yr Onnen, Cardiff, we estimate a market value of £255,104 and a rental value of £1,405 per month when presented in very good decorative order. Should the property require extensive cosmetic improvement, those figures would reduce to £225,949 and £1,244 per month respectively.
Energy Efficiency
3, Clos Yr Onnen, Cardiff has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 20 Nov 2017.
The property is connected to mains gas and has fully double glazed windows. It is heated using Boiler and radiators, mains gas.
Similar Properties Sold Nearby
Over the past 2 years 3 properties similar to 3, Clos Yr Onnen, Cardiff have sold within a radius of 480 metres, per the Land Registry and our network of Estate Agents.
The latest, on the 4th November 2025, was 1, Aster Close, Cardiff, CF3 0JB, a freehold house which sold for £265,000.
Read more about house prices in CF3.
- Sold Nov 2025£265,000 | 2 Bed House1, Aster Close, Cardiff, CF3 0JB1, Aster Close, Cardiff, CF3 0JB
- Sold Aug 2025£225,000 | 3 Bed House6, Thrush Close, Cardiff, CF3 0PE6, Thrush Close, Cardiff, CF3 0PE
- Sold Jul 2019£172,000 | 2 Bed House50, Fieldfare Drive, Cardiff, CF3 0PB50, Fieldfare Drive, Cardiff, CF3 0PB
•Nearby is defined as the radius comprising the nearest 2,000 addresses.
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Location Comparison
Of the 23 addresses on Clos Yr Onnen, St. Mellons, Cardiff, CF3, 3, Clos Yr Onnen, Cardiff comes out as the 15th largest and the 13th most expensive in our analysis of the public data.
It is also £13k less expensive than the average property across the CF3 district.
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Schools Nearby
Public Transport Nearby
- 6.0kmHeath High Level
- 6.0kmHeath Low Level
- 6.1kmLlanishen
Available Internet Speeds
Broadband here reaches ultrafast speeds, based on recent Ofcom data.
According to recent data from Ofcom, Ultrafast broadband is available in the area.
Risk of Flooding
The flood risk here is rated very low, based on Environment Agency data.












