Our Data Sources
20, Arnold Avenue, Cardiff has no records in the Land Registry and a single entry in the EPC database dated June 2025.
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
In very good condition, we estimate 20, Arnold Avenue, Cardiff would be worth £240,648, with a potential rental value of £1,378 per month.
If substantial cosmetic improvements are needed, the estimated sale value falls to £213,146, with a rental value of £1,221 per month.
The extent to which decoration affects a property's value depends on its type, size and location.
Energy Efficiency
20, Arnold Avenue, Cardiff has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 19 Jun 2025.
The property is connected to mains gas and has fully double glazed windows. It is heated using a boiler and radiators (mains gas).
Similar Properties Sold Nearby
Land Registry records and our Estate Agent network show 46 sales of comparable properties within 610 metres of 20, Arnold Avenue, Cardiff since 2016.
Most recently, 30, Malmesmead Road, Cardiff, CF3 5QG, a freehold house, sold at £210,000 on the 2nd April 2026.
Read more about house prices in CF3.
- Sold Apr 2026£210,000 | 3 Bed House30, Malmesmead Road, Cardiff, CF3 5QG30, Malmesmead Road, Cardiff, CF3 5QG
- Sold Jan 2026£237,000 | 2 Bed House25, Boyce Way, Cardiff, CF3 6AB25, Boyce Way, Cardiff, CF3 6AB
- Sold Oct 2025£215,000 | 3 Bed House23, Williton Road, Cardiff, CF3 5QE23, Williton Road, Cardiff, CF3 5QE
- Sold Aug 2025£235,000 | 2 Bed House9, Boyce Way, Cardiff, CF3 6AB9, Boyce Way, Cardiff, CF3 6AB
- Sold Jun 2025£215,000 | 3 Bed House78, Dickens Avenue, Cardiff, CF3 5LZ78, Dickens Avenue, Cardiff, CF3 5LZ
Nearby is defined as the radius comprising the nearest 2,000 addresses.
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Explore Nearby Properties
The surrounding properties have an average estimated value of £223,848, ranging from £181,337 to £268,926.
- 18 Arnold Avenue
3 Bed House | 12 m | Est. Value: £268,926
- 16 Arnold Avenue
3 Bed House | 20 m | Est. Value: £232,504
- 26 Arnold Avenue
3 Bed House | 24 m | Est. Value: £251,229
- 251 Burnham Avenue
3 Bed House | 27 m | Est. Value: £201,204
- 14 Arnold Avenue
3 Bed House | 28 m | Est. Value: £223,484
Location Comparison
Our analysis of the public data ranks 20, Arnold Avenue, Cardiff as the 29th largest and the 28th most expensive of the 40 addresses on Arnold Avenue, Llanrumney, Cardiff, CF3.
Against the CF3 postcode district average, it is £29k less expensive than the typical property.
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Schools Nearby
Public Transport Nearby
- Llanishen|4.2 km away
- Heath High Level|4.4 km away
- Heath Low Level|4.4 km away
Available Internet Speeds
Ofcom's latest figures show ultrafast broadband available in this area.
According to recent data from Ofcom, Ultrafast Broadband available in this area.
Risk of Flooding
Environment Agency data suggests this area has a Very Low risk of flooding.
