Our Data Sources
18, Gwern Catherine, Cardiff has a single entry in the Land Registry from June 2022 and a single entry in the EPC database dated April 2022.
We combine this information with that of neighbouring properties to estimate the property attributes and values.
The local information is scored as 5 out of 5 and is considered of high accuracy.
Price Range & Condition
In very good condition, we estimate 18, Gwern Catherine, Cardiff would be worth £331,732, with a potential rental value of £1,757 per month.
If substantial cosmetic improvements are needed, the estimated sale value falls to £293,820, with a rental value of £1,556 per month.
The extent to which decoration affects a property's value depends on its type, size and location.
Plot Size
18, Gwern Catherine, Cardiff occupies a 108 m2 plot as recorded by HM Land Registry.
Of the 46 other houses in this postcode, 41 have recorded plot sizes, and this one ranks as the 29th largest.
Energy Efficiency
18, Gwern Catherine, Cardiff has an Energy Performance Rating (EPC) of B. This is based on the most recent assessment, dated 13 Apr 2022.
The property is not connected to mains gas and has high performance glazing. It is heated using Boiler and radiators, mains gas.
Sold Prices
18, Gwern Catherine, Cardiff last changed hands on 24th June 2022, selling for £292,495. The transaction was logged as a freehold house by HM Land Registry.
That is its only recorded sale since 1995.
The market for similar properties has dropped by 6.2% since June 2022.
- Sold Jun 2022£292,495
Similar Properties Sold Nearby
Land Registry records and our Estate Agent network show 3 sales of comparable properties within 2.0 kilometres of 18, Gwern Catherine, Cardiff across the last 2 years.
Most recently, 30, Gwern Catherine, Cardiff, CF5 6GD, a freehold house, sold at £310,000 on the 16th December 2025.
Read more about house prices in CF5.
- Sold Dec 2025£310,000 | 3 Bed House30, Gwern Catherine, Cardiff, CF5 6GD30, Gwern Catherine, Cardiff, CF5 6GD
- Sold Dec 2024£300,000 | 3 Bed House27, Gwern Catherine, Cardiff, CF5 6GD27, Gwern Catherine, Cardiff, CF5 6GD
- Sold Apr 2024£305,000 | 3 Bed House7, Gwern Catherine, Cardiff, CF5 6GD7, Gwern Catherine, Cardiff, CF5 6GD
•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 18, Gwern Catherine, Cardiff as the 5th largest and the 7th most expensive of the 46 addresses on Gwern Catherine, Capel Llanilltern, Cardiff, CF5.
Against the CF5 postcode district average, it is £28k more expensive than the typical property.
More reading links
Schools Nearby
Public Transport Nearby
- 4.5kmRadyr
- 4.6kmTaffs Well
- 5.6kmPontyclun
Risk of Flooding
Environment Agency data suggests this area has a very low risk of flooding.












