Our Data Sources
20, Merthyr Street, Cardiff has 61 entries in the Land Registry , most recently in August 2025 and a single entry in the EPC database dated March 2023.
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 20, Merthyr Street, Cardiff would be worth £258,149, with a potential rental value of £1,339 per month.
If substantial cosmetic improvements are needed, the estimated sale value falls to £228,646, with a rental value of £1,186 per month.
The extent to which decoration affects a property's value depends on its type, size and location.
Plot Size
20, Merthyr Street, Cardiff occupies a 100 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 5th largest.
Energy Efficiency
20, Merthyr Street, Cardiff has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 15 Mar 2023.
The property is connected to mains gas and has fully double glazed windows. It is heated using Boiler and radiators, mains gas.
Sold Prices
20, Merthyr Street, Cardiff last changed hands on 29th August 2025, selling for £241,000. The transaction was logged as a freehold house by HM Land Registry.
In total it has sold 6 times since 1995.
The market for similar properties has risen by 0.4% since August 2025.
- Sold Aug 2025£241,000
- Sold Mar 2024£237,000
- Sold Aug 2010£150,000
Similar Properties Sold Nearby
Land Registry records and our Estate Agent network show 163 sales of comparable properties within 390 metres of 20, Merthyr Street, Cardiff across the last 2 years.
Most recently, 55, Hirwain Street, Cardiff, CF24 4JG, a freehold house, sold at £225,000 on the 30th January 2026.
Read more about house prices in CF24.
- Sold Jan 2026£225,000 | 2 Bed House55, Hirwain Street, Cardiff, CF24 4JG55, Hirwain Street, Cardiff, CF24 4JG
- Sold Feb 2024£255,000 | 3 Bed House8, Merthyr Street, Cardiff, CF24 4JJ8, Merthyr Street, Cardiff, CF24 4JJ
- Sold Apr 2022£237,000 | 3 Bed House29, Hirwain Street, Cardiff, CF24 4JG29, Hirwain Street, Cardiff, CF24 4JG
•Nearby is defined as the radius comprising the nearest 2,000 addresses.
More reading links
Location Comparison
Our analysis of the public data ranks 20, Merthyr Street, Cardiff as the 44th largest and the 46th most expensive of the 64 addresses on Merthyr Street, Cathays, Cardiff, CF24.
Against the CF24 postcode district average, it is £19k more expensive than the typical property.
More reading links
Schools Nearby
Public Transport Nearby
- Cathays|600 m away
- Cardiff Queen Street|1.6 km away
- Cardiff Central|1.9 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.
