21, Thesiger Street
21, Thesiger Street
Description & Estimates







The public record describes 21, Thesiger Street, Cardiff as a period house with 979 ft2 of internal area, sitting on a 105 m2 plot.
In this area, houses of this size normally have 3 bedrooms with a garden.
21, Thesiger Street, Cardiff has an estimated sale value of £257,733 and an estimated rental value of £1,326 per month, assuming reasonable condition and based on the information available.
Thesiger Street, Cardiff, CF24 lies within the CF24 postal district.
Our Data Sources
21, Thesiger Street, Cardiff has no records in the the Land Registry and a single entry in the EPC database dated April 2023.
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
In very good condition, we estimate 21, Thesiger Street, Cardiff would be worth £270,620, with a potential rental value of £1,392 per month.
If substantial cosmetic improvements are needed, the estimated sale value falls to £239,692, with a rental value of £1,233 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 21, Thesiger Street, Cardiff has fallen by £710 (0.3%) over the last year. During the same period, its estimated monthly rental value has moved up by £39 (3.0%). The property's estimated gross yield is currently 6.2%.
Plot Size
21, Thesiger Street, Cardiff occupies a 105 m2 plot as recorded by HM Land Registry.
Of the 41 other houses in this postcode, 38 have recorded plot sizes, and this one ranks as the 5th largest.
Energy Efficiency
21, Thesiger Street, Cardiff has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 26 Apr 2023.
The property is connected to mains gas and has partial double glazing. 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 310 metres of 21, Thesiger Street, Cardiff across the last 2 years.
Most recently, 92, Rhymney Street, Cardiff, CF24 4DG, a freehold house, sold at £245,000 on the 27th February 2026.
Read more about house prices in CF24.
•Nearby is defined as the radius comprising the nearest 2,000 addresses.
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Location Comparison
Our analysis of the public data ranks 21, Thesiger Street, Cardiff as the 48th largest and the 55th most expensive of the 68 addresses on Thesiger Street, Cardiff, CF24.
Against the CF24 postcode district average, it is £33k more expensive than the typical property.
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Schools Nearby
Public Transport Nearby
Cathays station is the nearest stop to 21, Thesiger Street, Cardiff at 300 metres away.
- 300mCathays
- 1.0kmCardiff Queen Street
- 1.6kmCardiff Central
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.

