Our Data Sources
9, Blaenavon Close, Cardiff has no records in the the Land Registry and a single entry in the EPC database dated February 2023.
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
In very good condition, we estimate 9, Blaenavon Close, Cardiff would be worth £203,458, with a potential rental value of £1,237 per month.
If substantial cosmetic improvements are needed, the estimated sale value falls to £180,206, with a rental value of £1,096 per month.
The extent to which decoration affects a property's value depends on its type, size and location.
Energy Efficiency
9, Blaenavon Close, Cardiff has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 09 Feb 2023.
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
Land Registry records and our Estate Agent network show 44 sales of comparable properties within 510 metres of 9, Blaenavon Close, Cardiff across the last 2 years.
Most recently, 18, Brynmawr Close, Cardiff, CF3 0HJ, a freehold house, sold at £195,000 on the 3rd October 2025.
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
Our analysis of the public data ranks 9, Blaenavon Close, Cardiff as the 15th largest and the 15th most expensive of the 17 addresses on Blaenavon Close, St. Mellons, Cardiff, CF3.
Against the CF3 postcode district average, it is £64k less expensive than the typical property.
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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
Ofcom's latest figures show ultrafast broadband available in this area.
According to recent data from Ofcom, Ultrafast Broadband is available in the area.
Risk of Flooding
Environment Agency data suggests this area has a Very Low risk of flooding.












