Our Data Sources
331, Heol Trelai, Cardiff has no records in the Land Registry and a single entry in the EPC database dated October 2020.
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
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 331, Heol Trelai, Cardiff, we estimate a market value of £221,638 and a rental value of £1,486 per month when presented in very good decorative order. Should the property require extensive cosmetic improvement, those figures would reduce to £196,308 and £1,316 per month respectively.
Plot Size
HM Land Registry records the plot of land for 331, Heol Trelai, Cardiff as measuring 217 m2.
That makes it the 8th largest plot in the postcode, where 16 of the 17 other houses have recorded plot data.
Energy Efficiency
331, Heol Trelai, Cardiff has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 10 Oct 2020.
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 2016 250 properties similar to 331, Heol Trelai, Cardiff have sold within a radius of 540 metres, per the Land Registry and our network of Estate Agents.
The latest, on the 9th December 2025, was 14, Woodlands Park Drive, Cardiff, CF5 5RB, a leasehold house which sold for £220,000.
Read more about house prices in CF5.
- Sold Dec 2025£220,000 | 3 Bed House14, Woodlands Park Drive, Cardiff, CF5 5RB14, Woodlands Park Drive, Cardiff, CF5 5RB
- Sold Nov 2025£205,000 | 3 Bed House85, Heol Poyston, Cardiff, CF5 5LZ85, Heol Poyston, Cardiff, CF5 5LZ
- Sold Oct 2025£227,000 | 3 Bed House5, Woodlands Park Drive, Cardiff, CF5 5RB5, Woodlands Park Drive, Cardiff, CF5 5RB
- Sold Aug 2025£257,000 | 3 Bed House12, Cyntwell Crescent, Cardiff, CF5 5QG12, Cyntwell Crescent, Cardiff, CF5 5QG
- Sold Aug 2025£195,000 | 3 Bed House11, Woodlands Park Drive, Cardiff, CF5 5RB11, Woodlands Park Drive, Cardiff, CF5 5RB
Nearby is defined as the radius comprising the nearest 2,000 addresses.
More reading links
Explore Nearby Properties
The surrounding properties have an average estimated value of £208,596, ranging from £168,123 to £240,040.
- 333 Heol Trelai
3 Bed House | 9 m | Est. Value: £216,815
- 329 Heol Trelai
4 Bed House | 11 m | Est. Value: £234,765
- 1 Heol Trenewydd
3 Bed House | 28 m | Est. Value: £230,673
- 46 Heol Y Castell
3 Bed House | 28 m | Est. Value: £197,264
- 48 Heol Y Castell
3 Bed House | 28 m | Est. Value: £204,131
Location Comparison
Of the 344 addresses on Heol Trelai, Cardiff, CF5, 331, Heol Trelai, Cardiff comes out as the 128th largest and the 164th most expensive in our analysis of the public data.
It is also £83k less expensive than the average property across the CF5 district.
More reading links
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 ultrafast speeds, based on recent Ofcom data.
According to recent data from Ofcom, Ultrafast Broadband available in this area.
Risk of Flooding
The flood risk here is rated Very Low, based on Environment Agency data.












