Our Data Sources
1, Blaenavon Close, Cardiff has no records in the the Land Registry and a single entry in the EPC database dated March 2016.
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
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 1, Blaenavon Close, Cardiff, we estimate a market value of £198,616 and a rental value of £1,223 per month when presented in very good decorative order. Should the property require extensive cosmetic improvement, those figures would reduce to £175,917 and £1,083 per month respectively.
Energy Efficiency
1, Blaenavon Close, Cardiff has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 30 Mar 2016.
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 42 properties similar to 1, Blaenavon Close, Cardiff have sold within a radius of 500 metres, per the Land Registry and our network of Estate Agents.
The latest, on the 3rd October 2025, was 18, Brynmawr Close, Cardiff, CF3 0HJ, a freehold house which sold for £195,000.
Read more about house prices in CF3.
- Sold Oct 2025£195,000 | 3 Bed House18, Brynmawr Close, Cardiff, CF3 0HJ18, Brynmawr Close, Cardiff, CF3 0HJ
- Sold Jul 2022£187,000 | 3 Bed House18, Blaenavon Close, Cardiff, CF3 0HQ18, Blaenavon Close, Cardiff, CF3 0HQ
- Sold Jun 2021£135,000 | 3 Bed House53, Rogerstone Close, Cardiff, CF3 0EA53, Rogerstone Close, Cardiff, CF3 0EA
•Nearby is defined as the radius comprising the nearest 2,000 addresses.
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Location Comparison
Of the 17 addresses on Blaenavon Close, St. Mellons, Cardiff, CF3, 1, Blaenavon Close, Cardiff comes out as the 17th largest and the 17th most expensive in our analysis of the public data.
It is also £69k less expensive than the average property across the CF3 district.
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Schools Nearby
Public Transport Nearby
- Heath High Level|6.2 km away
- Llanishen|6.2 km away
- Heath Low Level|6.2 km away
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.












