Our Data Sources
4, Heol Iestyn, Cardiff has 21 entries in the Land Registry, most recently in November 2025 and a single entry in the EPC database dated March 2025.
We combine this information with that 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.
1Sales dated prior to 2007 are shown, but are not used in our calculations.
Price Range & Condition
In very good condition, we estimate 4, Heol Iestyn, Cardiff would be worth £435,602, with a potential rental value of £1,816 per month.
If substantial cosmetic improvements are needed, the estimated sale value falls to £385,819, with a rental value of £1,609 per month.
The extent to which decoration affects a property's value depends on its type, size and location.
Plot Size
4, Heol Iestyn, Cardiff occupies a 483 m2 plot as recorded by HM Land Registry.
All 11 other houses in this postcode have recorded plot sizes, and this one ranks as the largest.
Energy Efficiency
4, Heol Iestyn, Cardiff has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 14 Mar 2025.
The property is connected to mains gas and has fully double glazed windows. It is heated using a boiler and radiators (mains gas).
Sold Prices
4, Heol Iestyn, Cardiff last changed hands on 21st November 2025, selling for £377,500. The transaction was logged as a freehold house by HM Land Registry.
In total it has sold twice since 1995.
The market for similar properties has dropped by 7.7% since November 2025.
- Sold Nov 2025£377,500
- Sold Aug 1996£78,000
Similar Properties Sold Nearby
Land Registry records and our Estate Agent network show 216 sales of comparable properties within 560 metres of 4, Heol Iestyn, Cardiff since 2018.
Most recently, 75, Kyle Avenue, Cardiff, CF14 1SR, a freehold house, sold at £442,500 on the 8th May 2026.
Read more about house prices in CF14.
- Sold May 2026£442,500 | 3 Bed House75, Kyle Avenue, Cardiff, CF14 1SR75, Kyle Avenue, Cardiff, CF14 1SR
- Sold May 2026£460,000 | 3 Bed House9, Clas Illtyd, Cardiff, CF14 1SA9, Clas Illtyd, Cardiff, CF14 1SA
- Sold Feb 2026£462,000 | 3 Bed House74, Kyle Avenue, Cardiff, CF14 1SS74, Kyle Avenue, Cardiff, CF14 1SS
- Sold Nov 2025£720,000 | 3 Bed House21, Caegwyn Road, Cardiff, CF14 1QN21, Caegwyn Road, Cardiff, CF14 1QN
- Sold Oct 2025£500,000 | 3 Bed House17, Heol Gwrgan, Cardiff, CF14 1PP17, Heol Gwrgan, Cardiff, CF14 1PP
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 £434,072, ranging from £348,673 to £545,375.
- 2 Heol Iestyn
4 Bed House | 13 m | Est. Value: £512,437
- 10 Heol Iestyn
4 Bed House | 35 m | Est. Value: £545,375
- 5 Heol Iestyn
3 Bed House | 35 m | Est. Value: £428,659
- 3 Heol Iestyn
3 Bed House | 43 m | Est. Value: £378,287
- 137 Manor Way
4 Bed House | 44 m | Est. Value: £354,727
Location Comparison
Our analysis of the public data ranks 4, Heol Iestyn, Cardiff as the 10th largest and the 10th most expensive of the 11 addresses on Heol Iestyn, Cardiff, CF14.
Against the CF14 postcode district average, it is £43k more expensive than the typical property.
More reading links
Schools Nearby
Public Transport Nearby
- Rhiwbina|700 m away
- Whitchurch (Cardiff)|900 m away
- Birchgrove|1.1 km away
Available Internet Speeds
Ofcom's latest figures show superfast broadband available in this area.
According to recent data from Ofcom, Superfast Broadband available in this area.
Risk of Flooding
Environment Agency data suggests this area has a Very Low risk of flooding.












