Our Data Sources
15, Blenheim Road, Cardiff has no records in the Land Registry and a single entry in the EPC database dated July 2022.
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 15, Blenheim Road, Cardiff would be worth £421,472, with a potential rental value of £1,786 per month.
If substantial cosmetic improvements are needed, the estimated sale value falls to £373,303, with a rental value of £1,582 per month.
The extent to which decoration affects a property's value depends on its type, size and location.
Plot Size
15, Blenheim Road, Cardiff occupies a 120 m2 plot as recorded by HM Land Registry.
All 4 other houses in this postcode have recorded plot sizes, and this one ranks as the 3rd largest.
Energy Efficiency
15, Blenheim Road, Cardiff has an Energy Performance Rating (EPC) of E. This is based on the most recent assessment, dated 22 Jul 2022.
The property is connected to mains gas and has partial double glazing. It is heated using a boiler and radiators (mains gas).
Similar Properties Sold Nearby
Land Registry records and our Estate Agent network show 138 sales of comparable properties within 400 metres of 15, Blenheim Road, Cardiff since 2016.
Most recently, 21, Amesbury Road, Cardiff, CF23 5DW, a freehold house, sold at £457,385 on the 26th January 2026.
Read more about house prices in CF23.
- Sold Jan 2026£457,385 | 4 Bed House21, Amesbury Road, Cardiff, CF23 5DW21, Amesbury Road, Cardiff, CF23 5DW
- Sold Nov 2025£355,000 | 4 Bed House49, Deri Road, Cardiff, CF23 5AH49, Deri Road, Cardiff, CF23 5AH
- Sold Nov 2025£350,000 | 4 Bed House27, Amesbury Road, Cardiff, CF23 5DW27, Amesbury Road, Cardiff, CF23 5DW
- Sold Sep 2025£480,000 | 4 Bed House25, Ladysmith Road, Cardiff, CF23 5DT25, Ladysmith Road, Cardiff, CF23 5DT
- Sold Jul 2025£445,000 | 4 Bed House41, Deri Road, Cardiff, CF23 5AH41, Deri Road, Cardiff, CF23 5AH
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 £487,908, ranging from £251,101 to £768,514.
- 13A Blenheim Road
4 Bed House | 13 m | Est. Value: £473,056
- 32 Amesbury Road
4 Bed House | 15 m | Est. Value: £562,028
- 30 Amesbury Road
5 Bed House | 15 m | Est. Value: £595,048
- 34B Amesbury Road
3 Bed Flat | 18 m | Est. Value: £251,101
- 26 Amesbury Road
3 Bed House | 23 m | Est. Value: £418,093
Location Comparison
Our analysis of the public data ranks 15, Blenheim Road, Cardiff as the 17th largest and the 16th most expensive of the 21 addresses on Blenheim Road, Cardiff, CF23.
Against the CF23 postcode district average, it is £39k more expensive than the typical property.
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Schools Nearby
Public Transport Nearby
- Cathays|1.6 km away
- Cardiff Queen Street|1.8 km away
- Cardiff Central|2.7 km away
Risk of Flooding
Environment Agency data suggests this area has a Very Low risk of flooding.












