Our Data Sources
18, Hirwain Street, Cardiff has 2 entries in the Land Registry , most recently in February 2017 and a single entry in the EPC database dated January 2026.
We combine this information with that 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 18, Hirwain Street, Cardiff would be worth £399,753, with a potential rental value of £1,631 per month.
If substantial cosmetic improvements are needed, the estimated sale value falls to £354,067, with a rental value of £1,445 per month.
The extent to which decoration affects a property's value depends on its type, size and location.
Plot Size
18, Hirwain Street, Cardiff occupies a 115 m2 plot as recorded by HM Land Registry.
Of the 23 other houses in this postcode, 22 have recorded plot sizes, and this one ranks as the 6th largest.
Energy Efficiency
18, Hirwain Street, Cardiff has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 27 Jan 2026.
The property is connected to mains gas and has fully double glazed windows. It is heated using Boiler and radiators, mains gas.
Sold Prices
18, Hirwain Street, Cardiff last changed hands on 7th February 2017, selling for £333,000. The transaction was logged as a freehold house by HM Land Registry.
In total it has sold twice since 1995.
The market for similar properties has risen by 36.6% since February 2017.
- Sold Feb 2017£333,000
- Sold Sep 2007£169,950
Similar Properties Sold Nearby
Land Registry records and our Estate Agent network show 87 sales of comparable properties within 380 metres of 18, Hirwain Street, Cardiff across the last 2 years.
Most recently, 43, Cosmeston Street, Cardiff, CF24 4LQ, a freehold house, sold at £358,500 on the 3rd July 2024.
Read more about house prices in CF24.
- Sold Jul 2024£358,500 | 4 Bed House43, Cosmeston Street, Cardiff, CF24 4LQ43, Cosmeston Street, Cardiff, CF24 4LQ
- Sold Feb 2024£325,000 | 4 Bed House65, Minny Street, Cardiff, CF24 4ET65, Minny Street, Cardiff, CF24 4ET
- Sold Oct 2021£292,000 | 5 Bed House45, Pentyrch Street, Cardiff, CF24 4JX45, Pentyrch Street, Cardiff, CF24 4JX
•Nearby is defined as the radius comprising the nearest 2,000 addresses.
More reading links
Location Comparison
Our analysis of the public data ranks 18, Hirwain Street, Cardiff as the 3rd largest and the 3rd most expensive of the 54 addresses on Hirwain Street, Cardiff, CF24.
Against the CF24 postcode district average, it is £154k more expensive than the typical property.
More reading links
Schools Nearby
Public Transport Nearby
- Cathays|700 m away
- Cardiff Queen Street|1.6 km away
- Cardiff Central|2.0 km away
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.












