13 Potter Street, Old St Mellons, Cardiff, CF3 6AR
About 13 Potter Street
13 Potter Street is a 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).
Across 2019–2023, sale prices on this property compounded at 7.4% per year. On a £-per-square-foot basis, the last sale (£401/sq ft) was about 36.9% above the typical sold price in the postcode. At 51 m² it's 26.1% smaller than the typical home in the postcode (69 m² median across 22 EPCs). Sold December 2023 for £220,000.
Energy performance
13 Potter Street's carbon output is low for the local stock.
EPC Rating
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Planning history
13 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
13 Potter Street saw 3 transfers in just over a decade — high turnover for the postcode.
£219,000
Modelled from EPC, postcode comparables and a sale-price growth of 7.4% per year over 4 years.
£220,000
Growth on file: 7.4% per year over 4 years.
Sales timeline
19 December 2023Most recent
£220,000
+17.0%over 2 years24 June 2021
£188,000
+17.5%over 1 year27 June 2019
£159,995
Median price across the last 5 sales in CF3 6AR: £285,000 (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
£338,0003 Potter Street, Old St Mellons, Cardiff, CF3 6AR
Sold Dec 2023
£285,000
Versus other Potter Street homes
CO₂ Emissions for 13 Potter Street runs comfortably ahead of the street norm.
Price per m²
£4,314
Street avg £3,344
Floor Area
51 m²
Street avg 71 m²
CO₂ Emissions
0.9 t/year
Street avg 1.2 t/year
Years Held
2 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 Ffordd Williamson, Old St Mellons
CF3 6AE
1 Druidstone House, Druidstone Road, Old St Mellons
CF3 6XF
1 Clos Grehan, Old St Mellons
CF3 6BF
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.







