Our Data Sources
306, Heol Trelai, Cardiff has no records in the Land Registry and a single entry in the EPC database dated July 2023.
We combine this information with public data of neighbouring properties to estimate the property attributes and values.
The local information is scored as 1 out of 5 and is considered of low accuracy.
Price Range & Condition
The condition of a property plays an important role in determining its value, with the degree of impact varying by property type, size and location.
For 306, Heol Trelai, Cardiff, we estimate a market value of £190,880 and a rental value of £1,351 per month when presented in very good decorative order. Should the property require extensive cosmetic improvement, those figures would reduce to £169,065 and £1,197 per month respectively.
Energy Efficiency
306, Heol Trelai, Cardiff has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 24 Jul 2023.
The property is connected to mains gas and has fully double glazed windows. It is heated using a boiler and radiators (mains gas).
Similar Properties Sold Nearby
Since 2007 36 properties similar to 306, Heol Trelai, Cardiff have sold within a radius of 530 metres, per the Land Registry and our network of Estate Agents.
The latest, on the 11th December 2025, was 394, Cowbridge Road West, Cardiff, CF5 5BY, a freehold house which sold for £205,000.
Read more about house prices in CF5.
- Sold Dec 2025£205,000 | 3 Bed House394, Cowbridge Road West, Cardiff, CF5 5BY394, Cowbridge Road West, Cardiff, CF5 5BY
- Sold Aug 2025£205,000 | 3 Bed House454, Cowbridge Road West, Cardiff, CF5 5BZ454, Cowbridge Road West, Cardiff, CF5 5BZ
- Sold Jul 2025£223,000 | 3 Bed House12, Prendergast Place, Cardiff, CF5 5LP12, Prendergast Place, Cardiff, CF5 5LP
- Sold Mar 2025£138,000 | 3 Bed House456, Cowbridge Road West, Cardiff, CF5 5BZ456, Cowbridge Road West, Cardiff, CF5 5BZ
- Sold Feb 2025£205,000 | 3 Bed House390, Cowbridge Road West, Cardiff, CF5 5BY390, Cowbridge Road West, Cardiff, CF5 5BY
Nearby is defined as the radius comprising the nearest 2,000 addresses.
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Explore Nearby Properties
The surrounding properties have an average estimated value of £152,993, ranging from £90,363 to £224,766.
- 308 Heol Trelai
3 Bed House | 6 m | Est. Value: £185,426
- 310 Heol Trelai
3 Bed House | 20 m | Est. Value: £213,866
- 304 Heol Trelai
3 Bed House | 21 m | Est. Value: £217,327
- 7 Heol Y Berllan
2 Bed Flat | 24 m | Est. Value: £95,985
- 5 Heol Y Berllan
2 Bed Flat | 24 m | Est. Value: £96,919
Location Comparison
Of the 344 addresses on Heol Trelai, Cardiff, CF5, 306, Heol Trelai, Cardiff comes out as the 223rd largest and the 195th most expensive in our analysis of the public data.
It is also £112k less expensive than the average property across the CF5 district.
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Schools Nearby
Public Transport Nearby
- Waun-Gron Park|2.4 km away
- Fairwater|2.8 km away
- Ninian Park|3.4 km away
Available Internet Speeds
Broadband here reaches superfast speeds, based on recent Ofcom data.
According to recent data from Ofcom, Superfast Broadband available in this area.
Risk of Flooding
The flood risk here is rated Very Low, based on Environment Agency data.












