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12, Clos Thomas, Cardiff is recorded publicly as a modern freehold house across 1,011 ft2 of internal area, sitting on a 194 m2 plot.
Locally, houses of this size normally have 3 bedrooms with a garden.
Our estimate of the sale value of 12, Clos Thomas, Cardiff is £325,376 and its rental estimate is £1,486 per month, given the available information and assuming reasonable condition.
Clos Thomas, Old St. Mellons, Cardiff, CF3 falls within the CF3 postal district.
12, Clos Thomas, Cardiff has a single entry in the Land Registry from November 2020 and a single entry in the EPC database dated November 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.
The condition of a property plays an important role in determining its value, with the degree of impact varying by property type, size and location.
For 12, Clos Thomas, Cardiff, we estimate a market value of £341,645 and a rental value of £1,560 per month when presented in very good decorative order. Should the property require extensive cosmetic improvement, those figures would reduce to £302,600 and £1,382 per month respectively.
Over the last year, 12, Clos Thomas, Cardiff has seen its estimated sale value rise by £160 (0.0%) and its estimated rental value move up by £47 per month (3.2%). This results in an estimated gross rental yield of 5.5%.
HM Land Registry records the plot of land for 12, Clos Thomas, Cardiff as measuring 194 m2.
That makes it the 25th largest plot in the postcode, where 37 of the 45 other houses have recorded plot data.
12, Clos Thomas, Cardiff has an Energy Performance Rating (EPC) of B. This is based on the most recent assessment, dated 05 Nov 2020.
The property is not connected to mains gas and has high performance glazing. It is heated using Boiler and radiators, mains gas.
The most recent sale of 12, Clos Thomas, Cardiff completed on 30th November 2020 at £224,995 and was recorded by HM Land Registry as a freehold house.
Since 1995 this is the property's only sale.
Values of comparable properties have dropped by 3.4% over the period since November 2020.
Over the past 2 years 3 properties similar to 12, Clos Thomas, Cardiff have sold within a radius of 980 metres, per the Land Registry and our network of Estate Agents.
The latest, on the 30th January 2026, was 140, Church Road, Cardiff, CF3 6YN, a freehold house which sold for £325,000.
Read more about house prices in CF3.
•Nearby is defined as the radius comprising the nearest 2,000 addresses.
Of the 45 addresses on Clos Thomas, Old St. Mellons, Cardiff, CF3, 12, Clos Thomas, Cardiff comes out as the 15th largest and the 21st most expensive in our analysis of the public data.
It is also £69k more expensive than the average property across the CF3 district.
From 12, Clos Thomas, Cardiff, the nearest station is Llanishen, 4.3 kilometres away.
The flood risk here is rated very low, based on Environment Agency data.
The recent census recorded whether a resident owned or rented their home.
In the area around 12, Clos Thomas, Cardiff, % of property is and % is .
The graph below shows how this compares to Wales and the rest of England & Wales.
The recent census recorded the highest level of education achieved by residents in the local area.
In the area around 12, Clos Thomas, Cardiff, 0.0% of residents are recorded as possessing school level qualifications and 0.0% as possessing degree level qualifications.
The graph below shows how this compares to Wales and the rest of England & Wales.
The recent census recorded whether a property was a primary or secondary home for the resident.
In the area around 12, Clos Thomas, Cardiff, 0.0% of property was a second home.
Comparison figures for Wales and the rest of England & Wales are listed below.
The recent census recorded the number of cars registered in each household.
In the area around 12, Clos Thomas, Cardiff, there are an average of 0.0 cars per household.
See below for how this compares to Wales and the rest of England & Wales.