Our Data Sources
23, Heol Williams, Cardiff has a single entry in the Land Registry from October 2018 and a single entry in the EPC database dated October 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
Decorative condition can have a big effect on a property's value and this effect varies depending on the type, size and location of the property.
If 23, Heol Williams, Cardiff is in very good condition we estimate a sale value of £316,440 and a rental value of £1,534 per month.
However, if the property needs a lot of cosmetic work we estimate a sale value of £280,275 and a rental value of £1,359 per month.
Plot Size
According to data from HM Land Registry, 23, Heol Williams, Cardiff sits on a plot of 160 m2.
We have plot size data on 56 out of 58 other houses in the postcode and 23, Heol Williams, Cardiff sits on the 22nd largest plot.
Energy Efficiency
23, Heol Williams, Cardiff has an Energy Performance Rating (EPC) of B. This is based on the most recent assessment, dated 12 Oct 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
According to HM Land Registry, 23, Heol Williams, Cardiff was last sold on 29th October 2018 for £219,995 and was recorded as a freehold house.
The property has only had this single sale since 1995.
Since October 2018, the market for similar properties has risen by 4.2%.
- Sold Oct 2018£219,995
Similar Properties Sold Nearby
According to the Land Registry and our network of Estate Agents, there have been 337 sales of properties similar to 23, Heol Williams, Cardiff within a radius of 750 metres over the last 2 years.
The most recent example is 9, Heol Swatridge, Cardiff, CF3 6AP, a freehold house which sold for £287,000 on the 22nd January 2026.
Read more about house prices in CF3.
- Sold Jan 2026£287,000 | 3 Bed House9, Heol Swatridge, Cardiff, CF3 6AP9, Heol Swatridge, Cardiff, CF3 6AP
- Sold Feb 2025£262,000 | 3 Bed House61, Heol Booths, Cardiff, CF3 6WA61, Heol Booths, Cardiff, CF3 6WA
- Sold Jan 2024£276,000 | 3 Bed House91, Church Road, Cardiff, CF3 6AJ91, Church Road, Cardiff, CF3 6AJ
•Nearby is defined as the radius comprising the nearest 2,000 addresses.
More reading links
Location Comparison
Heol Williams, Old St. Mellons, Cardiff, CF3 has a total of 58 addresses. According to our analysis of all the public data, 23, Heol Williams, Cardiff is the 17th largest and the 26th most expensive property on the street.
When compared to the postcode district it is £43k more expensive than the average property in CF3.
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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
According to data from the Environment Agency, the flood risk in this area is considered to be Very Low.
