Our Data Sources
50, Heol Cefn Onn, Cardiff has a single entry in the Land Registry from August 2012 and a single entry in the EPC database dated May 2012.
We combine this information with that of neighbouring properties to estimate the property attributes and values.
The local information is scored as 1 out of 5 and is considered of low 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 50, Heol Cefn Onn, Cardiff, we estimate a market value of £553,480 and a rental value of £1,925 per month when presented in very good decorative order. Should the property require extensive cosmetic improvement, those figures would reduce to £490,225 and £1,705 per month respectively.
Plot Size
HM Land Registry records the plot of land for 50, Heol Cefn Onn, Cardiff as measuring 434 m2.
That makes it the 7th largest plot in the postcode, where all 16 other houses have recorded plot data.
Energy Efficiency
50, Heol Cefn Onn, Cardiff has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 10 May 2012.
The property is not connected to mains gas and has fully double glazed windows. It is heated using Warm air, mains gas.
Sold Prices
The most recent sale of 50, Heol Cefn Onn, Cardiff completed on 3rd August 2012 at £315,000 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 37.5% over the period since August 2012.
- Sold Aug 2012£315,000
Similar Properties Sold Nearby
Over the past 2 years 79 properties similar to 50, Heol Cefn Onn, Cardiff have sold within a radius of 760 metres, per the Land Registry and our network of Estate Agents.
The latest, on the 20th February 2026, was 43, Ridgeway, Cardiff, CF14 0RS, a freehold house which sold for £550,000.
Read more about house prices in CF14.
- Sold Feb 2026£550,000 | 4 Bed House43, Ridgeway, Cardiff, CF14 0RS43, Ridgeway, Cardiff, CF14 0RS
- Sold Nov 2025£510,000 | 4 Bed House116, Mill Road, Cardiff, CF14 0UG116, Mill Road, Cardiff, CF14 0UG
- Sold Apr 2021£460,000 | 4 Bed House5, Heol St. Denys, Cardiff, CF14 0RU5, Heol St. Denys, Cardiff, CF14 0RU
•Nearby is defined as the radius comprising the nearest 2,000 addresses.
More reading links
Location Comparison
Of the 46 addresses on Heol Cefn Onn, Lisvane, Cardiff, CF14, 50, Heol Cefn Onn, Cardiff comes out as the 38th largest and the 21st most expensive in our analysis of the public data.
It is also £155k more expensive than the average property across the CF14 district.
More reading links
Schools Nearby
Public Transport Nearby
- Lisvane & Thornhill|500 m away
- Llanishen|1.0 km away
- Ty Glas|2.5 km away
Available Internet Speeds
Broadband here reaches superfast speeds, based on recent Ofcom data.
According to recent data from Ofcom, Superfast Broadband is available in the area.
Risk of Flooding
The flood risk here is rated Very Low, based on Environment Agency data.
