Our Data Sources
18, Penarth Portway, Penarth has no records in the the Land Registry and a single entry in the EPC database dated August 2011.
We combine this information with public data 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
In very good condition, we estimate 18, Penarth Portway, Penarth would be worth £929,400, with a potential rental value of £3,683 per month.
If substantial cosmetic improvements are needed, the estimated sale value falls to £823,183, with a rental value of £3,262 per month.
The extent to which decoration affects a property's value depends on its type, size and location.
Plot Size
18, Penarth Portway, Penarth occupies a 177 m2 plot as recorded by HM Land Registry.
Of the 11 other houses in this postcode, 10 have recorded plot sizes, and this one ranks as the 5th largest.
Energy Efficiency
18, Penarth Portway, Penarth has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 14 Aug 2011.
The property is connected to mains gas and has fully double glazed windows. It is heated using Boiler and radiators, mains gas.
Similar Properties Sold Nearby
Land Registry records and our Estate Agent network show 3 sales of comparable properties within 530 metres of 18, Penarth Portway, Penarth across the last 2 years.
Most recently, 22, Dan Donovan Way, Cardiff, CF11 0JZ, a freehold house, sold at £720,000 on the 19th March 2026.
Read more about house prices in CF64.
- Sold Mar 2026£720,000 | 5 Bed House22, Dan Donovan Way, Cardiff, CF11 0JZ22, Dan Donovan Way, Cardiff, CF11 0JZ
- Sold Jun 2024£790,000 | 5 Bed House10, Royal Close, Penarth, CF64 1NJ10, Royal Close, Penarth, CF64 1NJ
- Sold Dec 2021£950,000 | 4 Bed House16, Penarth Portway, Penarth, CF64 1SQ16, Penarth Portway, Penarth, CF64 1SQ
•Nearby is defined as the radius comprising the nearest 2,000 addresses.
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Location Comparison
Our analysis of the public data ranks 18, Penarth Portway, Penarth as the 3rd largest and the 3rd most expensive of the 23 addresses on Penarth Portway, Penarth, CF64.
Against the CF64 postcode district average, it is £484k more expensive than the typical property.
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Schools Nearby
Public Transport Nearby
- 600mDingle Road
- 800mCogan
- 1.0kmPenarth
Available Internet Speeds
Ofcom's latest figures show superfast broadband available in this area.
According to recent data from Ofcom, Superfast broadband is available in the area.
Risk of Flooding
Environment Agency data suggests this area has a very low risk of flooding.












