Our Data Sources
20, Heol Gwilym, Cardiff has no records in the Land Registry and a single entry in the EPC database dated February 2024.
We combine this information with public data of neighbouring properties to estimate the property attributes and values.
The local information is scored as 5 out of 5 and is considered of high accuracy.
Price Range & Condition
In very good condition, we estimate 20, Heol Gwilym, Cardiff would be worth £277,014, with a potential rental value of £1,671 per month.
If substantial cosmetic improvements are needed, the estimated sale value falls to £245,356, with a rental value of £1,480 per month.
The extent to which decoration affects a property's value depends on its type, size and location.
Plot Size
20, Heol Gwilym, Cardiff occupies a 326 m2 plot as recorded by HM Land Registry.
Of the 24 other houses in this postcode, 23 have recorded plot sizes, and this one ranks as the 4th largest.
Energy Efficiency
20, Heol Gwilym, Cardiff has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 22 Feb 2024.
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
Land Registry records and our Estate Agent network show 213 sales of comparable properties within 540 metres of 20, Heol Gwilym, Cardiff since 2010.
Most recently, 10, Keyston Road, Cardiff, CF5 3NG, a freehold house, sold at £330,500 on the 7th April 2026.
Read more about house prices in CF5.
- Sold Apr 2026£330,500 | 3 Bed House10, Keyston Road, Cardiff, CF5 3NG10, Keyston Road, Cardiff, CF5 3NG
- Sold Dec 2025£225,000 | 3 Bed House124, Fairwood Road, Cardiff, CF5 3QL124, Fairwood Road, Cardiff, CF5 3QL
- Sold Nov 2025£322,500 | 3 Bed House111, Pwllmelin Road, Cardiff, CF5 3QA111, Pwllmelin Road, Cardiff, CF5 3QA
- Sold Oct 2025£222,000 | 3 Bed House60, Poplar Road, Cardiff, CF5 3PU60, Poplar Road, Cardiff, CF5 3PU
- Sold May 2025£258,000 | 3 Bed House123, Pwllmelin Road, Cardiff, CF5 3QB123, Pwllmelin Road, Cardiff, CF5 3QB
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 £281,041, ranging from £247,814 to £347,322.
- 22 Heol Gwilym
3 Bed House | 11 m | Est. Value: £266,844
- 16 Heol Gwilym
3 Bed House | 18 m | Est. Value: £278,571
- 14 Heol Gwilym
4 Bed House | 26 m | Est. Value: £319,795
- 26 Heol Gwilym
3 Bed House | 28 m | Est. Value: £284,236
- 15 Heol Gwilym
3 Bed House | 31 m | Est. Value: £272,776
Location Comparison
Our analysis of the public data ranks 20, Heol Gwilym, Cardiff as the 22nd largest and the 20th most expensive of the 24 addresses on Heol Gwilym, Cardiff, CF5.
Against the CF5 postcode district average, it is £30k less expensive than the typical property.
More reading links
Schools Nearby
Public Transport Nearby
- Fairwater|500 m away
- Danescourt|800 m away
- Waun-Gron Park|1.1 km away
Available Internet Speeds
Ofcom's latest figures show ultrafast broadband available in this area.
According to recent data from Ofcom, Ultrafast Broadband available in this area.
Risk of Flooding
Environment Agency data suggests this area has a Very Low risk of flooding.
