Our Data Sources
4, Heol Williams, Cardiff has 2 entries in the Land Registry , most recently in August 2024 and a single entry in the EPC database dated August 2020.
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
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 4, Heol Williams, Cardiff, we estimate a market value of £324,563 and a rental value of £1,571 per month when presented in very good decorative order. Should the property require extensive cosmetic improvement, those figures would reduce to £287,470 and £1,392 per month respectively.
Plot Size
HM Land Registry records the plot of land for 4, Heol Williams, Cardiff as measuring 131 m2.
That makes it the 36th largest plot in the postcode, where 56 of the 58 other houses have recorded plot data.
Energy Efficiency
4, Heol Williams, Cardiff has an Energy Performance Rating (EPC) of B. This is based on the most recent assessment, dated 17 Aug 2020.
The property is not connected to mains gas and has high performance glazing. It is heated using Boiler and radiators, mains gas.
Sold Prices
The most recent sale of 4, Heol Williams, Cardiff completed on 9th August 2024 at £315,000 and was recorded by HM Land Registry as a freehold house.
Since 1995 the property has sold twice.
Values of comparable properties have dropped by 20.4% over the period since August 2024.
- Sold Aug 2024£315,000
- Sold Sep 2020£252,995
Similar Properties Sold Nearby
Over the past 2 years 3 properties similar to 4, Heol Williams, Cardiff have sold within a radius of 860 metres, per the Land Registry and our network of Estate Agents.
The latest, on the 6th March 2025, was 201, Mortimer Avenue, Cardiff, CF3 6YG, a freehold house which sold for £315,000.
Read more about house prices in CF3.
- Sold Mar 2025£315,000 | 3 Bed House201, Mortimer Avenue, Cardiff, CF3 6YG201, Mortimer Avenue, Cardiff, CF3 6YG
- Sold Feb 2025£317,500 | 3 Bed House181, Mortimer Avenue, Cardiff, CF3 6YG181, Mortimer Avenue, Cardiff, CF3 6YG
- Sold Mar 2024£315,000 | 3 Bed House16, Heol Williams, Cardiff, CF3 6AQ16, Heol Williams, Cardiff, CF3 6AQ
•Nearby is defined as the radius comprising the nearest 2,000 addresses.
More reading links
Location Comparison
Of the 58 addresses on Heol Williams, Old St. Mellons, Cardiff, CF3, 4, Heol Williams, Cardiff comes out as the 13th largest and the 17th most expensive in our analysis of the public data.
It is also £53k more expensive than the average property across the CF3 district.
More reading links
Schools Nearby
Public Transport Nearby
- 4.1kmLlanishen
- 4.4kmLisvane & Thornhill
- 4.6kmHeath High Level
Risk of Flooding
The flood risk here is rated very low, based on Environment Agency data.












