Our Data Sources
15, Trecastle Avenue, Cardiff has no records in the the Land Registry and a single entry in the EPC database dated April 2016.
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 15, Trecastle Avenue, Cardiff would be worth £350,181, with a potential rental value of £1,738 per month.
If substantial cosmetic improvements are needed, the estimated sale value falls to £310,161, with a rental value of £1,539 per month.
The extent to which decoration affects a property's value depends on its type, size and location.
Plot Size
15, Trecastle Avenue, Cardiff occupies a 226 m2 plot as recorded by HM Land Registry.
Of the 14 other houses in this postcode, 8 have recorded plot sizes, and this one ranks as the 8th largest.
Energy Efficiency
15, Trecastle Avenue, Cardiff has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 03 Apr 2016.
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 55 sales of comparable properties within 640 metres of 15, Trecastle Avenue, Cardiff across the last 2 years.
Most recently, 35, Newborough Avenue, Cardiff, CF14 5BZ, a freehold house, sold at £327,500 on the 19th December 2025.
Read more about house prices in CF14.
- Sold Dec 2025£327,500 | 4 Bed House35, Newborough Avenue, Cardiff, CF14 5BZ35, Newborough Avenue, Cardiff, CF14 5BZ
- Sold May 2025£265,000 | 4 Bed House57, Newborough Avenue, Cardiff, CF14 5DA57, Newborough Avenue, Cardiff, CF14 5DA
- Sold Feb 2024£330,000 | 4 Bed House53, Newborough Avenue, Cardiff, CF14 5DA53, 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 15, Trecastle Avenue, Cardiff as the largest and the most expensive of the 29 addresses on Trecastle Avenue, Llanishen, Cardiff, CF14.
Against the CF14 postcode district average, it is £39k less expensive than the typical property.
More reading links
Schools Nearby
Public Transport Nearby
- Llanishen|800 m away
- Ty Glas|1.1 km away
- Birchgrove|1.3 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.
