Our Data Sources
5, Plas Nanthelyg, Cardiff has a single entry in the Land Registry from December 2020 and a single entry in the EPC database dated September 2020.
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
In very good condition, we estimate 5, Plas Nanthelyg, Cardiff would be worth £302,564, with a potential rental value of £1,582 per month.
If substantial cosmetic improvements are needed, the estimated sale value falls to £267,986, with a rental value of £1,401 per month.
The extent to which decoration affects a property's value depends on its type, size and location.
Plot Size
5, Plas Nanthelyg, Cardiff occupies a 214 m2 plot as recorded by HM Land Registry.
Of the 37 other houses in this postcode, 17 have recorded plot sizes, and this one ranks as the 9th largest.
Energy Efficiency
5, Plas Nanthelyg, Cardiff has an Energy Performance Rating (EPC) of B. This is based on the most recent assessment, dated 18 Sep 2020.
The property is not connected to mains gas and has high performance glazing. It is heated using Boiler and radiators, mains gas.
Sold Prices
5, Plas Nanthelyg, Cardiff last changed hands on 14th December 2020, selling for £249,000. The transaction was logged as a freehold house by HM Land Registry.
That is its only recorded sale since 1995.
The market for similar properties has risen by 21.1% since December 2020.
- Sold Dec 2020£249,000
Similar Properties Sold Nearby
Land Registry records and our Estate Agent network show 119 sales of comparable properties within 500 metres of 5, Plas Nanthelyg, Cardiff across the last 2 years.
Most recently, 16, Plas Nanthelyg, Cardiff, CF3 0FG, a freehold house, sold at £290,000 on the 17th April 2025.
Read more about house prices in CF3.
- Sold Apr 2025£290,000 | 4 Bed House16, Plas Nanthelyg, Cardiff, CF3 0FG16, Plas Nanthelyg, Cardiff, CF3 0FG
- Sold Jun 2024£290,000 | 4 Bed House7, Plas Nanthelyg, Cardiff, CF3 0FG7, Plas Nanthelyg, Cardiff, CF3 0FG
- Sold Apr 2023£300,000 | 4 Bed House14, Plas Nanthelyg, Cardiff, CF3 0FG14, Plas Nanthelyg, Cardiff, CF3 0FG
•Nearby is defined as the radius comprising the nearest 2,000 addresses.
More reading links
Location Comparison
Our analysis of the public data ranks 5, Plas Nanthelyg, Cardiff as the 31st largest and the 33rd most expensive of the 37 addresses on Plas Nanthelyg, St. Mellons, Cardiff, CF3.
Against the CF3 postcode district average, it is £30k more expensive than the typical property.
More reading links
Schools Nearby
Public Transport Nearby
- Heath High Level|5.5 km away
- Heath Low Level|5.5 km away
- Llanishen|5.8 km away
Risk of Flooding
Environment Agency data suggests this area has a Very Low risk of flooding.












