5 Clos Thomas, Old St Mellons, Cardiff, CF3 6YR
About 5 Clos Thomas
5 Clos Thomas is a two-bedroom mid-terrace house in Old St. Mellons, Cardiff, Cardiff (CF3 6YR). It has a recorded floor area of 59 m² (around 635 sq ft). The latest certificate (October 2020) returns a B (score 83), comfortably above the UK average. The recommended improvements would push it to A (score 97).
Across 2020–2023, sale prices on this property compounded at 7.4% per year. On a £-per-square-foot basis, the last sale (£370/sq ft) was about 24.3% above the typical sold price in the postcode. At 59 m² it's 24.4% smaller than the typical home in the postcode (78 m² median across 44 EPCs). Last sale on file: £234,950 in November 2023.
What this property has
Inside
- Bedrooms2
- Bathrooms1
- Dining roomYes
- CloakroomYes
Outside
- Private gardenFront and rear
- ParkingOff street
Building
- Central heatingYes
Energy performance
5 Clos Thomas's carbon output is low for the local stock.
EPC Rating
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Planning history
5 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
£233,000
Modelled from EPC, postcode comparables and a sale-price growth of 7.4% per year over 3 years.
£234,950
Growth on file: 7.4% per year over 3 years.
Sales timeline
24 November 2023Most recent
£234,950
+23.7%over 2 years27 November 2020
£189,995
Median price across the last 5 sales in CF3 6YR: £330,000 (2025–2025).
Nearby sales in CF3 6YR
1 Clos Thomas, Old St Mellons, Cardiff, CF3 6YR
Sold Aug 2025
£340,00014 Clos Thomas, Old St Mellons, Cardiff, CF3 6YR
Sold Apr 2025
£330,00031 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
£285,000
Versus other Clos Thomas homes
CO₂ Emissions for 5 Clos Thomas runs comfortably ahead of the street norm.
Price per m²
£3,982
Street avg £3,260
Floor Area
59 m²
Street avg 88 m²
CO₂ Emissions
1.0 t/year
Street avg 1.4 t/year
Years Held
3 years
Street avg 5 years
Similar properties nearby
1 Druidstone House, Druidstone Road, Old St Mellons
CF3 6XF
1 Bridge Terrace, Michaelston Y Fedw
CF3 6YZ
1 Potter Street, Old St Mellons
CF3 6AR
1 Heol Swatridge, Old St Mellons
CF3 6AP
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
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.







