Our Data Sources
17, Heol Williams, Cardiff has 2 entries in the Land Registry , most recently in September 2023 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 17, Heol Williams, Cardiff, we estimate a market value of £230,581 and a rental value of £1,210 per month when presented in very good decorative order. Should the property require extensive cosmetic improvement, those figures would reduce to £204,229 and £1,072 per month respectively.
Plot Size
HM Land Registry records the plot of land for 17, Heol Williams, Cardiff as measuring 129 m2.
That makes it the 38th largest plot in the postcode, where 56 of the 58 other houses have recorded plot data.
Energy Efficiency
17, Heol Williams, Cardiff has an Energy Performance Rating (EPC) of B. This is based on the most recent assessment, dated 14 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 17, Heol Williams, Cardiff completed on 1st September 2023 at £215,000 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 14.9% over the period since September 2023.
- Sold Sep 2023£215,000
- Sold Nov 2018£169,995
Similar Properties Sold Nearby
Over the past 2 years 83 properties similar to 17, Heol Williams, Cardiff have sold within a radius of 780 metres, per the Land Registry and our network of Estate Agents.
The latest, on the 18th July 2025, was 10, Ffordd Crabtree, Cardiff, CF3 6AN, a freehold house which sold for £227,500.
Read more about house prices in CF3.
- Sold Jul 2025£227,500 | 2 Bed House10, Ffordd Crabtree, Cardiff, CF3 6AN10, Ffordd Crabtree, Cardiff, CF3 6AN
- Sold Jun 2025£217,000 | 2 Bed House13, Heol Williams, Cardiff, CF3 6AQ13, Heol Williams, Cardiff, CF3 6AQ
- Sold Jul 2023£202,500 | 2 Bed House15, Heol Williams, Cardiff, CF3 6AQ15, 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, 17, Heol Williams, Cardiff comes out as the 51st largest and the 49th most expensive in our analysis of the public data.
It is also £38k less 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.
