4 Potter Street, Old St Mellons, Cardiff, CF3 6AR
About 4 Potter Street
4 Potter Street is a two-bedroom mid-terrace house in Old St. Mellons, Cardiff, Cardiff (CF3 6AR). It has a recorded floor area of 51 m² (around 549 sq ft). The latest certificate (June 2019) returns a B (score 82), comfortably above the UK average. The recommended improvements would push it to A (score 98).
At 51 m² it's 26.1% smaller than the typical home in the postcode (69 m² median across 22 EPCs). Today's modelled estimate of £217,000 is 31.5% above the 2019 sale price. Most recent transfer: June 2019 at £165,000.
What this property has
Inside
- Bedrooms2
- Bathrooms2
- Open-plan layoutYes
- Dining roomYes
- CloakroomYes
Outside
- Private gardenRear
- DrivewayYes
Building
- Heating systemGas
- RefurbishedYes
Energy performance
4 Potter Street's carbon output is low for the local stock.
EPC Rating
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Planning history
4 Potter Street 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
£217,000
Modelled from EPC, postcode comparables.
£165,000
Recorded with HM Land Registry.
Sales timeline
27 June 2019Most recent
£165,000
Median price across the last 5 sales in CF3 6AR: £260,000 (2025–2023).
Nearby sales in CF3 6AR
14 Potter Street, Old St Mellons, Cardiff, CF3 6AR
Sold Aug 2025
£260,0008 Potter Street, Old St Mellons, Cardiff, CF3 6AR
Sold Oct 2024
£229,95021 Potter Street, Old St Mellons, Cardiff, CF3 6AR
Sold Jul 2024
£381,50020 Potter Street, Old St Mellons, Cardiff, CF3 6AR
Sold Feb 2024
£338,00013 Potter Street, Old St Mellons, Cardiff, CF3 6AR
Sold Dec 2023
£220,000
Versus other Potter Street homes
CO₂ Emissions for 4 Potter Street runs comfortably ahead of the street norm.
Price per m²
£3,235
Street avg £3,393
Floor Area
51 m²
Street avg 71 m²
CO₂ Emissions
0.9 t/year
Street avg 1.2 t/year
Years Held
7 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
0.0 km
Mortimer Avenue — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.







