Our Data Sources
18, Newborough Avenue, Cardiff has no records in the the Land Registry and a single entry in the EPC database dated March 2011.
We combine this information with public data of neighbouring properties to estimate the property attributes and values.
The local information is scored as 2 out of 5 and is considered of medium 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 18, Newborough Avenue, Cardiff, we estimate a market value of £337,972 and a rental value of £1,787 per month when presented in very good decorative order. Should the property require extensive cosmetic improvement, those figures would reduce to £299,346 and £1,582 per month respectively.
Plot Size
HM Land Registry records the plot of land for 18, Newborough Avenue, Cardiff as measuring 376 m2.
That makes it the 6th largest plot in the postcode, where 12 of the 16 other houses have recorded plot data.
Energy Efficiency
18, Newborough Avenue, Cardiff has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 11 Mar 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
Over the past 2 years 259 properties similar to 18, Newborough Avenue, Cardiff have sold within a radius of 650 metres, per the Land Registry and our network of Estate Agents.
The latest, on the 13th January 2026, was 55, Newborough Avenue, Cardiff, CF14 5DA, a freehold house which sold for £285,000.
Read more about house prices in CF14.
- Sold Jan 2026£285,000 | 3 Bed House55, Newborough Avenue, Cardiff, CF14 5DA55, Newborough Avenue, Cardiff, CF14 5DA
- Sold Nov 2023£240,000 | 3 Bed House40, Coed Cochwyn Avenue, Cardiff, CF14 5BT40, Coed Cochwyn Avenue, Cardiff, CF14 5BT
- Sold Sep 2022£290,000 | 3 Bed House24, Newborough Avenue, Cardiff, CF14 5BZ24, Newborough Avenue, Cardiff, CF14 5BZ
•Nearby is defined as the radius comprising the nearest 2,000 addresses.
More reading links
Location Comparison
Of the 117 addresses on Newborough Avenue, Llanishen, Cardiff, CF14, 18, Newborough Avenue, Cardiff comes out as the 25th largest and the 16th most expensive in our analysis of the public data.
It is also £50k less expensive than the average property across the CF14 district.
More reading links
Schools Nearby
Public Transport Nearby
- Llanishen|900 m away
- Ty Glas|900 m away
- Birchgrove|1.1 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.












