14 Clos Thomas, Old St Mellons, Cardiff, CF3 6YR
About 14 Clos Thomas
14 Clos Thomas is a three-bedroom detached house in Old St. Mellons, Cardiff, Cardiff (CF3 6YR). It has a recorded floor area of 78 m² (around 840 sq ft). The latest certificate (October 2020) returns a B (score 81), comfortably above the UK average. The recommended improvements would push it to A (score 94).
A recent sale: £330,000 in April 2025. Across 2021–2025, sale prices on this property compounded at 5.4% per year. On a £-per-square-foot basis, the last sale (£393/sq ft) was about 32% above the typical sold price in the postcode.
What this property has
Inside
- Bedrooms3
- Bathrooms1
- CloakroomYes
- EnsuiteYes
Outside
- Private gardenRear
- GarageIntegral
Energy performance
14 Clos Thomas's carbon output is low for the local stock.
EPC Rating
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Planning history
14 Clos Thomas has no planning applications on record.
But the area is active
1 notable application nearby — larger schemes and conversions that could reshape the street. The report maps them all.
Sales history & valuation
£324,000
Modelled from EPC, postcode comparables and a sale-price growth of 5.4% per year over 4 years.
£330,000
Growth on file: 5.4% per year over 4 years.
Sales timeline
15 April 2025Most recent
£330,000
+24.5%over 4 years29 January 2021
£264,995
Median price across the last 5 sales in CF3 6YR: £285,000 (2025–2024).
Nearby sales in CF3 6YR
1 Clos Thomas, Old St Mellons, Cardiff, CF3 6YR
Sold Aug 2025
£340,00031 Clos Thomas, Old St Mellons, Cardiff, CF3 6YR
Sold Feb 2025
£348,00022 Clos Thomas, Old St Mellons, Cardiff, CF3 6YR
Sold Jan 2025
£243,00051 Clos Thomas, Old St Mellons, Cardiff, CF3 6YR
Sold Jan 2025
£285,0004 Clos Thomas, Old St Mellons, Cardiff, CF3 6YR
Sold Oct 2024
£250,000
Versus other Clos Thomas homes
14 Clos Thomas is notably below the street on years held.
Price per m²
£4,231
Street avg £3,255
Floor Area
78 m²
Street avg 87 m²
CO₂ Emissions
1.4 t/year
Street avg 1.4 t/year
Years Held
1 years
Street avg 5 years
Similar properties nearby
1 Church Road, Old St Mellons
CF3 6YA
1 Clos Thomas, Old St Mellons
CF3 6YR
1 Rhodfa Hughes, Old St Mellons
CF3 6YY
1 Rogers Avenue, Old St Mellons
CF3 6AL
1 Heol Swatridge, Old St Mellons
CF3 6AP
1 Stryd Boyd, Old St Mellons
CF3 6YS
1 Rees Drive, Old St Mellons
CF3 6AS
1 Potter Street, Old St Mellons
CF3 6AR
The neighbourhood at a glance
Reported crime in the wider district is trending notably upward year-on-year.
Crime
3/mo
Rising year-on-year across the wider district.
Nearest stop
0.2 km
Rogers Avenue — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.







