7 Potter Street, Old St Mellons, Cardiff, CF3 6AR
About 7 Potter Street
7 Potter Street is a mid-terrace house in Old St. Mellons, Cardiff, Cardiff (CF3 6AR). It has a recorded floor area of 69 m² (around 743 sq ft). The latest certificate (August 2019) returns a B (score 84), comfortably above the UK average. The recommended improvements would push it to A (score 97).
Today's modelled estimate of £250,000 is 35.1% above the 2019 sale price. On a £-per-square-foot basis, the last sale (£249/sq ft) was about 16.7% below the postcode norm. Sold September 2019 for £184,995.
Energy performance
7 Potter Street's carbon output is low for the local stock.
EPC Rating
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Planning history
7 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
£250,000
Modelled from EPC, postcode comparables.
£184,995
Recorded with HM Land Registry.
Sales timeline
25 September 2019Most recent
£184,995
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
On price per m², 7 Potter Street runs well behind the street norm.
Price per m²
£2,681
Street avg £3,418
Floor Area
69 m²
Street avg 70 m²
CO₂ Emissions
1.0 t/year
Street avg 1.2 t/year
Years Held
7 years
Street avg 5 years
Similar properties nearby
1 Boyce Way, Old St Mellons
CF3 6AB
1 Lewis Crescent, Old St Mellons
CF3 6YQ
1 Ffordd Crabtree, Old St Mellons
CF3 6AN
1 Bridge Terrace, Michaelston Y Fedw
CF3 6YZ
1 Potter Street, Old St Mellons
CF3 6AR
1 Druidstone House, Druidstone Road, Old St Mellons
CF3 6XF
1 Clos Grehan, Old St Mellons
CF3 6BF
1 Heol Booths, Old St Mellons
CF3 6WA
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.







