Our Data Sources
19, Heol Williams, Cardiff has a single entry in the Land Registry from December 2018 and a single entry in the EPC database dated November 2018.
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 19, Heol Williams, Cardiff, we estimate a market value of £281,438 and a rental value of £1,464 per month when presented in very good decorative order. Should the property require extensive cosmetic improvement, those figures would reduce to £249,274 and £1,296 per month respectively.
Plot Size
HM Land Registry records the plot of land for 19, Heol Williams, Cardiff as measuring 163 m2.
That makes it the 21st largest plot in the postcode, where 56 of the 58 other houses have recorded plot data.
Energy Efficiency
19, Heol Williams, Cardiff has an Energy Performance Rating (EPC) of B. This is based on the most recent assessment, dated 16 Nov 2018.
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 19, Heol Williams, Cardiff completed on 17th December 2018 at £212,000 and was recorded by HM Land Registry as a freehold house.
Since 1995 this is the property's only sale.
Values of comparable properties have risen by 3.6% over the period since December 2018.
- Sold Dec 2018£212,000
Similar Properties Sold Nearby
Over the past 2 years 234 properties similar to 19, Heol Williams, Cardiff have sold within a radius of 750 metres, per the Land Registry and our network of Estate Agents.
The latest, on the 30th March 2026, was 3, Ffordd Crabtree, Cardiff, CF3 6AN, a freehold house which sold for £280,000.
Read more about house prices in CF3.
- Sold Mar 2026£280,000 | 3 Bed House3, Ffordd Crabtree, Cardiff, CF3 6AN3, Ffordd Crabtree, Cardiff, CF3 6AN
- Sold Jan 2026£250,000 | 3 Bed House52, Heol Williams, Cardiff, CF3 6AQ52, Heol Williams, Cardiff, CF3 6AQ
- Sold Nov 2025£255,000 | 3 Bed House21, Heol Williams, Cardiff, CF3 6AQ21, 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, 19, Heol Williams, Cardiff comes out as the 36th largest and the 34th most expensive in our analysis of the public data.
It is also £10k more expensive than the average property across the CF3 district.
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
The flood risk here is rated Very Low, based on Environment Agency data.
