Our Data Sources
337, Heol Trelai, Cardiff has 21 entries in the Land Registry, most recently in January 2007 and no records in the EPC database.
We combine this sold price information with public data of neighbouring properties to estimate the attributes and values.
The local information is scored as 1 out of 5 and is considered of low accuracy.
1Sales dated prior to 2007 are shown, but are not used in our calculations.
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 337, Heol Trelai, Cardiff, we estimate a market value of £166,319 and a rental value of £1,147 per month when presented in very good decorative order. Should the property require extensive cosmetic improvement, those figures would reduce to £147,311 and £1,016 per month respectively.
Plot Size
HM Land Registry records the plot of land for 337, Heol Trelai, Cardiff as measuring 284 m2.
That makes it the 2nd largest plot in the postcode, where 3 of the 6 other houses have recorded plot data.
Sold Prices
The most recent sale of 337, Heol Trelai, Cardiff completed on 19th January 2007 at £132,500 and was recorded by HM Land Registry as a freehold house.
Since 1995 the property has sold twice.
Values of comparable properties have risen by 132.6% over the period since January 2007.
- Sold Jan 2007£132,500
- Sold Nov 2003£82,500
Similar Properties Sold Nearby
Since 2007 25 properties similar to 337, 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 6th March 2026, was 6, Sweldon Close, Cardiff, CF5 5RD, a freehold house which sold for £160,000.
Read more about house prices in CF5.
- Sold Mar 2026£160,000 | 3 Bed House6, Sweldon Close, Cardiff, CF5 5RD6, Sweldon Close, Cardiff, CF5 5RD
- Sold Oct 2025£200,000 | 3 Bed House33, Sweldon Close, Cardiff, CF5 5RD33, Sweldon Close, Cardiff, CF5 5RD
- Sold Jun 2025£130,000 | 3 Bed House7, Heol Deva, Cardiff, CF5 5NA7, Heol Deva, Cardiff, CF5 5NA
- Sold Sep 2023£195,000 | 3 Bed House24, Heol Y Castell, Cardiff, CF5 5LS24, Heol Y Castell, Cardiff, CF5 5LS
- Sold May 2023£162,500 | 3 Bed House2, Heol Trefgarne, Cardiff, CF5 5LW2, Heol Trefgarne, Cardiff, CF5 5LW
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 £140,256, ranging from £94,848 to £234,601.
- 335 Heol Trelai
3 Bed House | 8 m | Est. Value: £167,169
- 339 Heol Trelai
3 Bed House | 11 m | Est. Value: £169,119
- 341 Heol Trelai
3 Bed House | 20 m | Est. Value: £165,196
- 2 Heol Trenewydd
3 Bed House | 29 m | Est. Value: £234,601
- 4 Heol Trenewydd
3 Bed House | 30 m | Est. Value: £231,990
Location Comparison
Of the 344 addresses on Heol Trelai, Cardiff, CF5, 337, Heol Trelai, Cardiff comes out as the 193rd largest and the 202nd most expensive in our analysis of the public data.
It is also £135k less expensive than the average property across the CF5 district.
More reading links
Schools Nearby
Public Transport Nearby
- Waun-Gron Park|2.6 km away
- Fairwater|3.0 km away
- Danescourt|3.7 km away
Risk of Flooding
The flood risk here is rated Very Low, based on Environment Agency data.












