23, Portmadoc Road
23, Portmadoc Road
Description & Estimates







The public record describes 23, Portmadoc Road, Cardiff as a mid-century house with 1,022 ft2 of internal area, sitting on a 320 m2 plot.
In this area, houses of this size normally have 3 bedrooms with a garden.
23, Portmadoc Road, Cardiff has an estimated sale value of £220,971 and an estimated rental value of £1,284 per month, assuming reasonable condition and based on the information available.
Portmadoc Road, Rumney, Cardiff, CF3 lies within the CF3 postal district.
Our Data Sources
23, Portmadoc Road, Cardiff has no records in the the Land Registry and a single entry in the EPC database dated October 2025.
We combine this information with public data of neighbouring properties to estimate the property attributes and values.
The local information is scored as 3 out of 5 and is considered of medium accuracy.
Price Range & Condition
In very good condition, we estimate 23, Portmadoc Road, Cardiff would be worth £232,019, with a potential rental value of £1,348 per month.
If substantial cosmetic improvements are needed, the estimated sale value falls to £205,503, with a rental value of £1,194 per month.
The extent to which decoration affects a property's value depends on its type, size and location.
Recent Market Change
The estimated sale value of 23, Portmadoc Road, Cardiff has grown by £108 (0.0%) over the last year. During the same period, its estimated monthly rental value has climbed by £41 (3.2%). The property's estimated gross yield is currently 7.0%.
Plot Size
23, Portmadoc Road, Cardiff occupies a 320 m2 plot as recorded by HM Land Registry.
Of the 21 other houses in this postcode, 16 have recorded plot sizes, and this one ranks as the 2nd largest.
Energy Efficiency
23, Portmadoc Road, Cardiff has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 30 Oct 2025.
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 23, Portmadoc Road, Cardiff across the last 2 years.
Most recently, 78, Brynbala Way, Cardiff, CF3 1SZ, a freehold house, sold at £230,000 on the 20th March 2026.
Read more about house prices in CF3.
•Nearby is defined as the radius comprising the nearest 2,000 addresses.
More reading links
Location Comparison
Our analysis of the public data ranks 23, Portmadoc Road, Cardiff as the 7th largest and the 7th most expensive of the 21 addresses on Portmadoc Road, Rumney, Cardiff, CF3.
Against the CF3 postcode district average, it is £35k less expensive than the typical property.
More reading links
Schools Nearby
Public Transport Nearby
Heath High Level station is the nearest stop to 23, Portmadoc Road, Cardiff at 5.2 kilometres away.
- 5.2kmHeath High Level
- 5.2kmHeath Low Level
- 5.5kmLlanishen
Available Internet Speeds
Ofcom's latest figures show ultrafast broadband available in this area.
According to recent data from Ofcom, Ultrafast broadband is available in the area.
Risk of Flooding
Environment Agency data suggests this area has a very low risk of flooding.

