Our Data Sources
21, Clos Pentwyni, Cardiff has no records in the the Land Registry and a single entry in the EPC database dated December 2023.
We combine this information with public data of neighbouring properties to estimate the property attributes and values.
The local information is scored as 2 out of 5 and is considered of medium accuracy.
Price Range & Condition
In very good condition, we estimate 21, Clos Pentwyni, Cardiff would be worth £214,421, with a potential rental value of £1,256 per month.
If substantial cosmetic improvements are needed, the estimated sale value falls to £189,916, with a rental value of £1,113 per month.
The extent to which decoration affects a property's value depends on its type, size and location.
Energy Efficiency
21, Clos Pentwyni, Cardiff has an Energy Performance Rating (EPC) of A. This is based on the most recent assessment, dated 05 Dec 2023.
The property is not connected to mains gas and has ffenestri perfformiad uchel. It is heated using Pwmp gwres sy’n tarddu yn yr awyr, rheiddiaduron, trydan.
Similar Properties Sold Nearby
Land Registry records and our Estate Agent network show 174 sales of comparable properties within 550 metres of 21, Clos Pentwyni, Cardiff across the last 2 years.
Most recently, 3, Uskley Court, Cardiff, CF3 0BE, a freehold house, sold at £175,000 on the 28th February 2025.
Read more about house prices in CF3.
- Sold Feb 2025£175,000 | 3 Bed House3, Uskley Court, Cardiff, CF3 0BE3, Uskley Court, Cardiff, CF3 0BE
- Sold Sep 2024£181,000 | 3 Bed House4, Tarwick Drive, Cardiff, CF3 0AG4, Tarwick Drive, Cardiff, CF3 0AG
- Sold Jan 2018£122,000 | 3 Bed House61, Tarwick Drive, Cardiff, CF3 0AF61, Tarwick Drive, Cardiff, CF3 0AF
•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 21, Clos Pentwyni, Cardiff as the 4th largest and the 5th most expensive of the 28 addresses on Clos Pentwyni, St. Mellons, Cardiff, CF3.
Against the CF3 postcode district average, it is £54k less expensive than the typical property.
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Schools Nearby
Public Transport Nearby
- Heath High Level|5.1 km away
- Heath Low Level|5.1 km away
- Llanishen|5.2 km away
Risk of Flooding
Environment Agency data suggests this area has a Very Low risk of flooding.












