Our Data Sources
23, Trecastle Avenue, Cardiff has no records in the the Land Registry and a single entry in the EPC database dated January 2025.
We combine this information with public data of neighbouring properties to estimate the property attributes and values.
The local information is scored as 4 out of 5 and is considered of high accuracy.
Price Range & Condition
Decorative condition can have a big effect on a property's value and this effect varies depending on the type, size and location of the property.
If 23, Trecastle Avenue, Cardiff is in very good condition we estimate a sale value of £185,393 and a rental value of £1,016 per month.
However, if the property needs a lot of cosmetic work we estimate a sale value of £164,205 and a rental value of £900 per month.
Energy Efficiency
23, Trecastle Avenue, Cardiff has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 28 Jan 2025.
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
According to the Land Registry and our network of Estate Agents, there have been 78 sales of properties similar to 23, Trecastle Avenue, Cardiff within a radius of 630 metres over the last 2 years.
The most recent example is 22A, Heol Hir, Cardiff, CF14 5AE, a leasehold flat which sold for £185,000 on the 16th February 2026.
Read more about house prices in CF14.
- Sold Feb 2026£185,000 | 2 Bed Flat22A, Heol Hir, Cardiff, CF14 5AE22A, Heol Hir, Cardiff, CF14 5AE
- Sold Jul 2023£165,000 | 2 Bed Flat10, Blue House Road, Cardiff, CF14 5BW10, Blue House Road, Cardiff, CF14 5BW
- Sold Oct 2020£145,000 | 2 Bed Flat7, Trecastle Avenue, Cardiff, CF14 5BX7, Trecastle Avenue, Cardiff, CF14 5BX
•Nearby is defined as the radius comprising the nearest 2,000 addresses.
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Location Comparison
Trecastle Avenue, Llanishen, Cardiff, CF14 has a total of 29 addresses. According to our analysis of all the public data, 23, Trecastle Avenue, Cardiff is the 22nd largest and the 26th most expensive property on the street.
When compared to the postcode district it is £196k less expensive than the average property in CF14.
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Schools Nearby
Public Transport Nearby
- Llanishen|800 m away
- Ty Glas|1.1 km away
- Birchgrove|1.3 km away
Available Internet Speeds
According to recent data from Ofcom, Superfast Broadband is available in this area.
According to recent data from Ofcom, Superfast Broadband is available in the area.
Risk of Flooding
According to data from the Environment Agency, the flood risk in this area is considered to be Very Low.
