Our Data Sources
3, Heol Williams, Cardiff has a single entry in the Land Registry from May 2019 and a single entry in the EPC database dated May 2019.
We combine this information with that 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 3, Heol Williams, Cardiff would be worth £323,188, with a potential rental value of £1,586 per month.
If substantial cosmetic improvements are needed, the estimated sale value falls to £286,252, with a rental value of £1,405 per month.
The extent to which decoration affects a property's value depends on its type, size and location.
Plot Size
3, Heol Williams, Cardiff occupies a 203 m2 plot as recorded by HM Land Registry.
Of the 58 other houses in this postcode, 56 have recorded plot sizes, and this one ranks as the 15th largest.
Energy Efficiency
3, Heol Williams, Cardiff has an Energy Performance Rating (EPC) of B. This is based on the most recent assessment, dated 20 May 2019.
The property is not connected to mains gas and has high performance glazing. It is heated using Boiler and radiators, mains gas.
Sold Prices
3, Heol Williams, Cardiff last changed hands on 31st May 2019, selling for £289,995. The transaction was logged as a freehold house by HM Land Registry.
That is its only recorded sale since 1995.
The market for similar properties has risen by 2.9% since May 2019.
- Sold May 2019£289,995
Similar Properties Sold Nearby
Land Registry records and our Estate Agent network show 389 sales of comparable properties within 800 metres of 3, Heol Williams, Cardiff across the last 2 years.
Most recently, 23, Heol Williams, Cardiff, CF3 6AQ, a freehold house, sold at £280,000 on the 27th March 2026.
Read more about house prices in CF3.
- Sold Mar 2026£280,000 | 3 Bed House23, Heol Williams, Cardiff, CF3 6AQ23, Heol Williams, Cardiff, CF3 6AQ
- Sold Jan 2026£287,000 | 3 Bed House9, Heol Swatridge, Cardiff, CF3 6AP9, Heol Swatridge, Cardiff, CF3 6AP
- Sold Apr 2025£342,000 | 3 Bed House15, Rees Drive, Cardiff, CF3 6AS15, Rees Drive, Cardiff, CF3 6AS
•Nearby is defined as the radius comprising the nearest 2,000 addresses.
More reading links
Location Comparison
Our analysis of the public data ranks 3, Heol Williams, Cardiff as the 26th largest and the 19th most expensive of the 58 addresses on Heol Williams, Old St. Mellons, Cardiff, CF3.
Against the CF3 postcode district average, it is £50k more expensive than the typical property.
More reading links
Schools Nearby
Public Transport Nearby
- Llanishen|4.1 km away
- Lisvane & Thornhill|4.4 km away
- Heath High Level|4.6 km away
Risk of Flooding
Environment Agency data suggests this area has a Very Low risk of flooding.
