Our Data Sources
66, Llandennis Avenue, Cardiff has no records in the the Land Registry and a single entry in the EPC database dated January 2026.
We combine this information with public data of neighbouring properties to estimate the property attributes and values.
The local information is scored as 1 out of 5 and is considered of low 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 66, Llandennis Avenue, Cardiff is in very good condition we estimate a sale value of £554,158 and a rental value of £1,854 per month.
However, if the property needs a lot of cosmetic work we estimate a sale value of £490,826 and a rental value of £1,642 per month.
Plot Size
According to data from HM Land Registry, 66, Llandennis Avenue, Cardiff sits on a plot of 289 m2.
We have plot size data on 14 out of 14 other houses in the postcode and 66, Llandennis Avenue, Cardiff sits on the 8th largest plot.
Energy Efficiency
66, Llandennis Avenue, Cardiff has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 06 Jan 2026.
The property is connected to mains gas and has mostly double glazing. It is heated using Boiler and radiators, mains gas.
Similar Properties Sold Nearby
According to the Land Registry and our network of Estate Agents, there have been 132 sales of properties similar to 66, Llandennis Avenue, Cardiff within a radius of 670 metres over the last 2 years.
The most recent example is 15, Nantfawr Road, Cardiff, CF23 6JQ, a freehold house which sold for £460,000 on the 3rd November 2023.
Read more about house prices in CF23.
- Sold Nov 2023£460,000 | 4 Bed House15, Nantfawr Road, Cardiff, CF23 6JQ15, Nantfawr Road, Cardiff, CF23 6JQ
- Sold Jan 2022£520,000 | 4 Bed House3, Nantfawr Road, Cardiff, CF23 6JQ3, Nantfawr Road, Cardiff, CF23 6JQ
- Sold Oct 2019£415,000 | 4 Bed House62, Llandennis Avenue, Cardiff, CF23 6JJ62, Llandennis Avenue, Cardiff, CF23 6JJ
•Nearby is defined as the radius comprising the nearest 2,000 addresses.
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Location Comparison
Llandennis Avenue, Cardiff, CF23 has a total of 70 addresses. According to our analysis of all the public data, 66, Llandennis Avenue, Cardiff is the 49th largest and the 52nd most expensive property on the street.
When compared to the postcode district it is £166k more expensive than the average property in CF23.
More reading links
Schools Nearby
Public Transport Nearby
- Heath High Level|800 m away
- Heath Low Level|800 m away
- Llanishen|1.6 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 is available in the area.
Risk of Flooding
According to data from the Environment Agency, the flood risk in this area is considered to be Very Low.
