Our Data Sources
18, Gilwern Crescent, Cardiff has no records in the the Land Registry and a single entry in the EPC database dated October 2024.
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 18, Gilwern Crescent, Cardiff would be worth £260,336, with a potential rental value of £1,442 per month.
If substantial cosmetic improvements are needed, the estimated sale value falls to £230,583, with a rental value of £1,277 per month.
The extent to which decoration affects a property's value depends on its type, size and location.
Plot Size
18, Gilwern Crescent, Cardiff occupies a 321 m2 plot as recorded by HM Land Registry.
Of the 16 other houses in this postcode, 12 have recorded plot sizes, and this one ranks as the 6th largest.
Energy Efficiency
18, Gilwern Crescent, Cardiff has an Energy Performance Rating (EPC) of A. This is based on the most recent assessment, dated 17 Oct 2024.
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 72 sales of comparable properties within 610 metres of 18, Gilwern Crescent, Cardiff across the last 2 years.
Most recently, 30, Glendale Avenue, Cardiff, CF14 5JP, a freehold house, sold at £245,000 on the 11th December 2025.
Read more about house prices in CF14.
- Sold Dec 2025£245,000 | 3 Bed House30, Glendale Avenue, Cardiff, CF14 5JP30, Glendale Avenue, Cardiff, CF14 5JP
- Sold May 2025£280,000 | 3 Bed House152, Templeton Avenue, Cardiff, CF14 5JJ152, Templeton Avenue, Cardiff, CF14 5JJ
- Sold Jul 2023£265,000 | 3 Bed House87, Newborough Avenue, Cardiff, CF14 5DA87, Newborough Avenue, Cardiff, CF14 5DA
•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, Gilwern Crescent, Cardiff as the 40th largest and the 45th most expensive of the 50 addresses on Gilwern Crescent, Llanishen, Cardiff, CF14.
Against the CF14 postcode district average, it is £124k less expensive than the typical property.
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Schools Nearby
Public Transport Nearby
- Llanishen|700 m away
- Lisvane & Thornhill|1.3 km away
- Ty Glas|1.4 km away
Available Internet Speeds
Ofcom's latest figures show superfast broadband available in this area.
According to recent data from Ofcom, Superfast Broadband is available in the area.
Risk of Flooding
Environment Agency data suggests this area has a Very Low risk of flooding.












